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首页NUC970 编程指南.pdf
NUC970 系列采用 ARM926EJ-S 核心,执行速度高达 300 MHz ,堆叠 16 MB、64 MB 或 128 MB DDR-II 记忆体於同一封裝,提供 128-pin 和 216-pin LQFP 封装,大幅减少 PCB 尺寸和降低电磁干扰 ( EMI ) 。丰富的周边功能包含:11 组 UART 、以太网、SDIO / eMMC 介面、NAND Flash 介面、CAN 2.0B、ISO-7816 介面、LCD 控制器和高速 USB 2.0 Host / Device 等,可以满足客户对弹性设计的需求。NUC970 提供 AES、SHA 与 3DES 加密引擎,并符合 - 40 ℃ 至 85 ℃ 工业温度规格,主要应用为工业自动化控制、人机介面 ( HMI ) 、物联网网关 ( Gateway ) 和智能家居网关与路由器 ( Router ) 。
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Apr 22, 2016 Page 1 of 308 Rev 1.01
NUC970
Document Information
Abstract
This document introduces the control sequence of NUC970 family
peripherals.
Apply to
NUC970 family, including NUC972, NUC973, NUC976 and NUC977.
The information described in this document is the exclusive intellectual property of
Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton.
Nuvoton is providing this document only for reference purposes of NuMicro microcontroller based system design.
Nuvoton assumes no responsibility for errors or omissions.
All data and specifications are subject to change without notice.
For additional information or questions, please contact: Nuvoton Technology Corporation.
www.nuvoton.com
NUC970 Family Programming Guide
Apr 22, 2016 Page 2 of 308 Rev 1.01
NUC970
Table of Contents
1 系統管理器 (SYSTEM MANAGER) .................................................................................. 13
1.1 概述 ............................................................................................................................................... 13
1.2 寄存器 ........................................................................................................................................... 13
1.3 功能描述 ....................................................................................................................................... 14
端口多功能控制 (Multiple Function Control) ................................................................................. 14
1.3.1
低電壓偵測/復位 ............................................................................................................................... 15
1.3.2
USB ID 偵測 ...................................................................................................................................... 15
1.3.3
2 時鐘控制器 (CLOCK CONTROLLER) ............................................................................. 16
2.1 概述 ............................................................................................................................................... 16
2.2 特性 ............................................................................................................................................... 16
2.3 方塊圖 ........................................................................................................................................... 16
2.4 寄存器 ........................................................................................................................................... 18
2.5 功能描述 ....................................................................................................................................... 18
模組時鐘開關 .................................................................................................................................... 18
2.5.1
時鐘除頻器 ........................................................................................................................................ 18
2.5.2
PLL 設置 ............................................................................................................................................ 19
2.5.3
3 模擬數字轉換( (ADC) ............................................................................................................. 20
3.1 概述 ............................................................................................................................................... 20
3.2 特性 ............................................................................................................................................... 20
3.3 方塊圖 ........................................................................................................................................... 20
3.4 寄存器 ........................................................................................................................................... 21
3.5 功能描述 ....................................................................................................................................... 22
基本配置 ............................................................................................................................................ 22
3.5.1
ADC傳送模式 .................................................................................................................................... 22
3.5.2
一般偵測(Normal Detection) ........................................................................................................... 23
3.5.3
電池電壓檢測 (Battery Voltage Detection).................................................................................... 24
3.5.4
鍵盤掃描(Key Pad Scan) ................................................................................................................ 25
3.5.5
4線和5線觸摸屏(4-wire and 5-wire Touch Screen) ..................................................................... 27
3.5.6
4線壓力測量(4-wire Pressure Measurement) .............................................................................. 29
3.5.7
4 中斷控制器 (AIC) .................................................................................................................... 30
Apr 22, 2016 Page 3 of 308 Rev 1.01
NUC970
4.1 概述 ............................................................................................................................................... 30
4.2 特性 ............................................................................................................................................... 30
4.3 方塊圖 ........................................................................................................................................... 30
4.4 寄存器 ........................................................................................................................................... 31
4.5 功能描述. ...................................................................................................................................... 32
中斷通道配置 .................................................................................................................................... 32
4.5.1
中斷屏蔽 ............................................................................................................................................ 33
4.5.2
中斷清除與設置 ................................................................................................................................ 33
4.5.3
軟件優先規則 .................................................................................................................................... 33
4.5.4
硬件優先規則 .................................................................................................................................... 35
4.5.5
中斷源 ................................................................................................................................................ 35
4.5.6
5 CAN ............................................................................................................................................ 38
5.1 概述 ............................................................................................................................................... 38
5.2 特性 ............................................................................................................................................... 38
5.3 方塊圖 ........................................................................................................................................... 38
5.4 寄存器 ........................................................................................................................................... 39
5.5 功能描述 ....................................................................................................................................... 40
CAN協定的幀編碼格式 .................................................................................................................... 40
5.5.1
CAN硬體設定 .................................................................................................................................... 41
5.5.2
CAN傳送速率的設定 ........................................................................................................................ 41
5.5.3
CAN模塊的寄存器 ............................................................................................................................ 43
5.5.4
發送CAN報文 .................................................................................................................................... 45
5.5.5
接收CAN報文 .................................................................................................................................... 47
5.5.6
喚醒功能 ............................................................................................................................................ 48
5.5.7
6 加密加速器 ................................................................................................................................ 49
6.1 概述 ............................................................................................................................................... 49
6.2 特性 ............................................................................................................................................... 49
6.3 方塊圖 ........................................................................................................................................... 50
6.4 寄存器 ........................................................................................................................................... 50
6.5 功能描述 ....................................................................................................................................... 56
數據訪問 ............................................................................................................................................ 56
6.5.1
通道擴展 ............................................................................................................................................ 57
6.5.2
PRNG ................................................................................................................................................. 57
6.5.3
AES .................................................................................................................................................... 58
6.5.4
DES/TDES ........................................................................................................................................ 60
6.5.5
SHA .................................................................................................................................................... 61
6.5.6
7 外部總線 (EXTERNAL BUS INTERFACE) .......................................................................... 63
Apr 22, 2016 Page 4 of 308 Rev 1.01
NUC970
7.1 概述 ............................................................................................................................................... 63
7.2 特性 ............................................................................................................................................... 63
7.3 方塊圖 ........................................................................................................................................... 63
7.4 寄存器 ........................................................................................................................................... 64
7.5 功能描述. ...................................................................................................................................... 64
基本配置 ............................................................................................................................................ 64
7.5.1
外部I/ O控制 ...................................................................................................................................... 64
7.5.2
8 乙太網路控制器 (EMAC) ...................................................................................................... 66
8.1 概述 ............................................................................................................................................... 66
8.2 特性 ............................................................................................................................................... 66
8.3 方塊圖 ........................................................................................................................................... 66
8.4 寄存器 ........................................................................................................................................... 67
8.5 功能描述 ....................................................................................................................................... 69
PHY 控制 ........................................................................................................................................... 69
8.5.1
CAM 設置 .......................................................................................................................................... 71
8.5.2
控制封包 ............................................................................................................................................ 71
8.5.3
遠端喚醒 (WoL) ................................................................................................................................ 71
8.5.4
封包接收 ............................................................................................................................................ 72
8.5.5
封包傳送 ............................................................................................................................................ 77
8.5.6
網路時鐘 ............................................................................................................................................ 83
8.5.7
錯誤處理 ............................................................................................................................................ 86
8.5.8
9 加強型計時器控制器 (ETMR) .............................................................................................. 89
9.1 概述 ............................................................................................................................................... 89
9.2 特性 ............................................................................................................................................... 89
9.3 方塊圖 ........................................................................................................................................... 89
9.4 寄存器 ........................................................................................................................................... 89
9.5 功能描述 ....................................................................................................................................... 90
計時器計時初始化 ............................................................................................................................ 90
9.5.1
計時器捕獲初始化 ............................................................................................................................ 90
9.5.2
中斷處理 ............................................................................................................................................ 91
9.5.3
計時器頻率 ........................................................................................................................................ 91
9.5.4
單次模式 ............................................................................................................................................ 92
9.5.5
週期模式 ............................................................................................................................................ 92
9.5.6
翻轉模式 ............................................................................................................................................ 93
9.5.7
連續計數模式 .................................................................................................................................... 93
9.5.8
自由計數模式 .................................................................................................................................... 94
9.5.9
觸發計數模式 ........................................................................................................................... 95
9.5.10
計數器重定模式 ....................................................................................................................... 96
9.5.11
Apr 22, 2016 Page 5 of 308 Rev 1.01
NUC970
捕獲模式去抖動 ....................................................................................................................... 97
9.5.12
10 閃存接口 (FMI) ........................................................................................................................ 98
10.1 概述 ............................................................................................................................................... 98
10.2 特性 ............................................................................................................................................... 98
10.3 方塊圖 ........................................................................................................................................... 98
10.4 寄存器 ........................................................................................................................................... 99
10.5 功能描述 ..................................................................................................................................... 101
DMA 以及 FMI 全域控制 ......................................................................................................101
10.5.1
NAND Flash...........................................................................................................................101
10.5.2
eMMC .....................................................................................................................................105
10.5.3
11 通用 DMA 控制器 (GDMA) ............................................................................................... 110
11.1 概述 ............................................................................................................................................. 110
11.2 特性 ............................................................................................................................................. 110
11.3 方塊圖 ......................................................................................................................................... 110
11.4 寄存器 ......................................................................................................................................... 111
11.5 功能描述. .................................................................................................................................... 112
Non-Descriptor功能描述 ......................................................................................................112
11.5.1
Descriptor功能描述 ...............................................................................................................116
11.5.2
12 2D 圖形加速 .......................................................................................................................... 120
12.1 概述 ............................................................................................................................................. 120
12.2 特性 ............................................................................................................................................. 120
12.3 方塊圖 ......................................................................................................................................... 121
12.4 寄存器 ......................................................................................................................................... 121
12.5 功能描述 ..................................................................................................................................... 122
初始化2D控制器 ....................................................................................................................122
12.5.1
三元光柵操作(ROP)..............................................................................................................123
12.5.2
位塊傳送(BitBLT) ..................................................................................................................125
12.5.3
Bresenham畫線 ....................................................................................................................129
12.5.4
α混合 .....................................................................................................................................133
12.5.5
剪裁 .........................................................................................................................................134
12.5.6
旋轉 .........................................................................................................................................134
12.5.7
放大與縮小 .............................................................................................................................135
12.5.8
13 通用 I/O 控制器 (GPIO) ...................................................................................................... 138
13.1 概述 ............................................................................................................................................. 138
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