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首页GD32450I-开发板 用户手册-V1.0.pdf
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GigaDevice Semiconductor Inc.
GD32450I-EVAL 评估板
用户手册
用户手册
GD32450I-EVAL
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目录
目录
目录 ................................................................................................................................................... 1
表 ...................................................................................................................................................... 3
1 简介 ........................................................................................................................................... 4
2 功能引脚分配 ............................................................................................................................. 4
3 入门指南 .................................................................................................................................... 8
4 硬件设计概述 ............................................................................................................................. 8
4.1 供电电源 ............................................................................................................................. 8
4.2 启动方式选择 ...................................................................................................................... 9
4.3 LED 指示灯 ......................................................................................................................... 9
4.4 按键 .................................................................................................................................... 9
4.5 串口 .................................................................................................................................. 10
4.6 模数转换器 ........................................................................................................................ 10
4.7 数模转换器 ........................................................................................................................ 10
4.8 I2S .................................................................................................................................... 11
4.9 I2C .................................................................................................................................... 11
4.10 SPI .................................................................................................................................... 11
4.11 CAN .................................................................................................................................. 12
4.12 以太网 ............................................................................................................................... 12
4.13 SDIO ................................................................................................................................. 13
4.14 NAND 存储器 .................................................................................................................... 13
4.15 SDRAM ............................................................................................................................. 14
4.16 DCI ................................................................................................................................... 14
4.17 LCD .................................................................................................................................. 15
4.18 USBFS .............................................................................................................................. 15
4.19 USBHS ............................................................................................................................. 16
4.20 扩展电路 ........................................................................................................................... 16
4.21 GD-Link ............................................................................................................................ 17
5 例程使用指南 ........................................................................................................................... 17
5.1 GPIO 流水灯 ..................................................................................................................... 17
5.2 GPIO 按键轮询模式 .......................................................................................................... 18
5.3 GPIO 按键中断模式 .......................................................................................................... 18
5.4 串口打印 ........................................................................................................................... 19
5.5 串口中断收发 .................................................................................................................... 19
5.6 串口 DMA 收发 ................................................................................................................. 20
5.7 ADC 温度传感器_Vrefint_Vbat .......................................................................................... 20
用户手册
GD32450I-EVAL
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5.8 ADC0 和 ADC1 跟随模式 .................................................................................................. 21
5.9 ADC0 和 ADC1 规则并行模式 ........................................................................................... 22
5.10 DAC 输出电压值 ............................................................................................................... 23
5.11 I2C 访问 EEPROM ........................................................................................................... 23
5.12 SPI 四线模式访问 FLASH ................................................................................................. 24
5.13 I2S 音频播放 ..................................................................................................................... 26
5.14 SDRAM ............................................................................................................................. 26
5.15 SDRAM 与深度睡眠模式 ................................................................................................... 27
5.16 NAND 存储器 .................................................................................................................... 27
5.17 SD 卡测试 ......................................................................................................................... 28
5.18 CAN 网络通信 ................................................................................................................... 29
5.19 RCU 时钟输出 ................................................................................................................... 30
5.20 CTC 校准 .......................................................................................................................... 30
5.21 PMU 睡眠模式唤醒 ........................................................................................................... 31
5.22 RTC 实时时钟 ................................................................................................................... 31
5.23 呼吸灯 ............................................................................................................................... 32
5.24 TLI_IPA ............................................................................................................................. 33
5.25 OV2640 摄像头 ................................................................................................................. 33
5.26 TRNG 生成随机数 ............................................................................................................. 34
5.27 ENET 以太网 .................................................................................................................... 35
5.28 USB 设备 .......................................................................................................................... 41
5.29 USB 主机 .......................................................................................................................... 45
6 版本更新历史 ........................................................................................................................... 49
用户手册
GD32450I-EVAL
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表
Table 1
引脚分配表
........................................................................................................................................ 4
Table 2
版本更新历史
................................................................................................................................... 49
用户手册
GD32450I-EVAL
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1 简介
GD32450I-EVAL 评估板使用 GD32F450IGH6 作为主控制器。评估板使用 Mini USB 接口
或者 DC-005 连接器提供 5V 电源。提供包括扩展引脚在内的及 SWD, Reset, Boot, User
button key, LED, CAN, I2C, I2S, USART, RTC, LCD, SPI, ADC, DAC, EXMC, CTC,
SDIO, DCI, ENET, USBFS, USBHS, GD-Link 等外设资源。更多关于开发板的资料可以查
看 GD32450I-EVAL-V1.1 原理图。
2 功能引脚分配
Table 1 引脚分配表
Function
Pin
Description
LED
PE2
LED1
PE3
LED2
PF10
LED3
RESET
K1-Reset
KEY
PA0
K2-Warkup
PC13
K3-Tamper
PB14
K4-User key
USART0
PA9
USART0_TX
PA10
USART0_RX
ADC
PC3
ADC012_IN13
DAC
PA4
DAC_OUT0
I2C
PB6
I2C0_SCL
PB7
I2C0_SDA
SPI
PG10
SPI5_IO2
PG11
SPI5_IO3
PG13
SPI5_SCK
PG14
SPI5_MOSI
PG12
SPI5_MISO
PI8
SPI5_CS
I2S
PA6
I2S1_MCK
PI1
I2S1_CK
PI0
I2S1_WS
PC1
I2S1_SD
CAN
PB8
CAN0_RX
PB9
CAN0_TX
Nand Flash
PD0
EXMC_D2
PD1
EXMC_D3
PD4
EXMC_NOE
PD5
EXMC_NWE
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