ARM7TDMI-S微控制器LPC2368：集成Ethernet、USB、CAN及10位ADC/DAC

2368

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"LPC2368是一款基于16位/32位ARM7TDMI-S CPU的单芯片微控制器，具有内置ISP/IAP功能，最大可配备512 KB闪存，支持以太网、USB 2.0、CAN和10位ADC/DAC。该系列微控制器在中断服务程序和数字信号处理算法中提供了高效率，并提供16位Thumb模式以优化代码大小。此外，它们具备丰富的串行通信接口，如以太网MAC、USB全速设备（仅限LPC2364/66/68）、多个UART、CAN通道、SPI、SSP、I2C和I2S接口，以及内部4MHz振荡器和不同容量的SRAM存储空间。" LPC2368微控制器是嵌入式系统设计的理想选择，其主要特性包括： 1. ARM7TDMI-S CPU: 这是一款高性能的32位处理器核心，具有实时仿真能力，能够以最大时钟频率执行32位代码，提供高效能。 2. 内存架构: 内置高速闪存最高可达512 KB，支持ISP（在系统编程）和IAP（在应用编程），方便程序更新。此外，还配备了宽内存接口和独特的加速器架构，以确保最佳性能。 3. 性能优化: LPC2368支持16位Thumb模式，能够在保持低代码大小的同时，提供与32位模式相近的性能，适合对代码大小有严格要求的应用。 4. 串行通信: 设备集成了一系列串行通信接口，包括： - 以太网MAC: 支持10/100Mbit/s连接，可用于网络通信。 - USB 2.0: 全速设备接口，LPC2364/66/68型号带有4kB的端点RAM，用于USB通信。 - UARTs: 四个通用异步收发传输器，用于标准串行通信。 - CAN channels: LPC2364/66/68型号带有两个CAN通道，常用于工业自动化和汽车电子。 - SPI接口: 用于与SPI兼容设备通信。 - Synchronous Serial Ports (SSP): 两个同步串行端口，支持SPI和I2S协议。 - I2C interfaces: 三个接口，用于与I2C总线设备交互。 - I2S interface: 用于音频应用，支持数字音频数据传输。 5. 附加功能: 内置4MHz的片上振荡器，简化了系统设计。此外，还包括不同容量的SRAM，如高达32kB的通用SRAM，16kB的以太网SRAM和8kB的USB SRAM，满足不同工作负载的需求。 6. 电源管理: LPC2368通常具有多种电源管理模式，以降低功耗，适应不同的应用场景和电池供电设备。 7. 开发支持: 由于LPC2368是NXP半导体公司产品，因此可以预期有丰富的开发工具、软件库和社区支持，包括IDE、调试器和示例代码，便于开发人员快速上手。 LPC2368微控制器以其强大的处理能力、丰富的外设接口和优化的内存配置，成为各种嵌入式应用的有力选择，特别是那些需要高效串行通信和网络连接的场合。无论是工业控制、智能家居、汽车电子还是消费类电子产品，LPC2368都能提供稳定且高效的解决方案。

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Product data sheet Rev. 05 — 9 April 2009 9 of 53

NXP Semiconductors

LPC2364/65/66/67/68

Single-chip 16-bit/32-bit microcontrollers

P0[6]/

I2SRX_SDA/

SSEL1/MAT2[0]

[1]

I/O P0[6] — General purpose digital input/output pin.

I/O I2SRX_SDA — Receive data. It is driven by the transmitter and read by the

receiver. Corresponds to the signal SD in the

S-bus speciﬁcation

I/O SSEL1 — Slave Select for SSP1.

O MAT2[0] — Match output for Timer 2, channel 0.

P0[7]/

I2STX_CLK/

SCK1/MAT2[1]

[1]

I/O P0[7] — General purpose digital input/output pin.

I/O I2STX_CLK — Transmit Clock. It is driven by the master and received by

the slave. Corresponds to the signal SCK in the

S-bus speciﬁcation

I/O SCK1 — Serial Clock for SSP1.

O MAT2[1] — Match output for Timer 2, channel 1.

P0[8]/

I2STX_WS/

MISO1/MAT2[2]

[1]

I/O P0[8] — General purpose digital input/output pin.

I/O I2STX_WS — Transmit Word Select. It is driven by the master and received

by the slave. Corresponds to the signal WS in the

S-bus speciﬁcation

I/O MISO1 — Master In Slave Out for SSP1.

O MAT2[2] — Match output for Timer 2, channel 2.

P0[9]/

I2STX_SDA/

MOSI1/MAT2[3]

[1]

A10

[1]

I/O P0[9] — General purpose digital input/output pin.

I/O I2STX_SDA — Transmit data. It is driven by the transmitter and read by the

receiver. Corresponds to the signal SD in the

S-bus speciﬁcation

I/O MOSI1 — Master Out Slave In for SSP1.

O MAT2[3] — Match output for Timer 2, channel 3.

P0[10]/TXD2/

SDA2/MAT3[0]

[1]

I/O P0[10] — General purpose digital input/output pin.

O TXD2 — Transmitter output for UART2.

I/O SDA2 — I

C2 data input/output (this is not an open-drain pin).

O MAT3[0] — Match output for Timer 3, channel 0.

P0[11]/RXD2/

SCL2/MAT3[1]

[1]

I/O P0[11] — General purpose digital input/output pin.

I RXD2 — Receiver input for UART2.

I/O SCL2 — I

C2 clock input/output (this is not an open-drain pin).

O MAT3[1] — Match output for Timer 3, channel 1.

P0[15]/TXD1/

SCK0/SCK

[1]

F10

[1]

I/O P0[15] — General purpose digital input/output pin.

O TXD1 — Transmitter output for UART1.

I/O SCK0 — Serial clock for SSP0.

I/O SCK — Serial clock for SPI.

P0[16]/RXD1/

SSEL0/SSEL

[1]

I/O P0[16] — General purpose digital input/output pin.

I RXD1 — Receiver input for UART1.

I/O SSEL0 — Slave Select for SSP0.

I/O SSEL — Slave Select for SPI.

P0[17]/CTS1/

MISO0/MISO

[1]

I/O P0[17] — General purpose digital input/output pin.

I CTS1 — Clear to Send input for UART1.

I/O MISO0 — Master In Slave Out for SSP0.

I/O MISO — Master In Slave Out for SPI.

Table 4. Pin description

…continued

Symbol Pin Ball Type Description

Product data sheet Rev. 05 — 9 April 2009 10 of 53

NXP Semiconductors

LPC2364/65/66/67/68

Single-chip 16-bit/32-bit microcontrollers

P0[18]/DCD1/

MOSI0/MOSI

[1]

I/O P0[18] — General purpose digital input/output pin.

I DCD1 — Data Carrier Detect input for UART1.

I/O MOSI0 — Master Out Slave In for SSP0.

I/O MOSI — Master Out Slave In for SPI.

P0[19]/DSR1/

MCICLK/SDA1

[1]

G10

[1]

I/O P0[19] — General purpose digital input/output pin.

I DSR1 — Data Set Ready input for UART1.

O MCICLK — Clock output line for SD/MMC interface. (LPC2367/68 only)

I/O SDA1 — I

C1 data input/output (this is not an open-drain pin).

P0[20]/DTR1/

MCICMD/SCL1

[1]

I/O P0[20] — General purpose digital input/output pin.

O DTR1 — Data Terminal Ready output for UART1.

I MCICMD — Command line for SD/MMC interface. (LPC2367/68 only)

I/O SCL1 — I

C1 clock input/output (this is not an open-drain pin).

P0[21]/RI1/

MCIPWR/RD1

[1]

I/O P0[21] — General purpose digital input/output pin.

I RI1 — Ring Indicator input for UART1.

O MCIPWR — Power Supply Enable for external SD/MMC power supply.

(LPC2367/68 only)

I RD1 — CAN1 receiver input. (LPC2364/66/68 only)

P0[22]/RTS1/

MCIDAT0/TD1

[1]

H10

[1]

I/O P0[22] — General purpose digital input/output pin.

O RTS1 — Request to Send output for UART1.

O MCIDAT0 — Data line for SD/MMC interface. (LPC2367/68 only)

O TD1 — CAN1 transmitter output. (LPC2364/66/68 only)

P0[23]/AD0[0]/

I2SRX_CLK/

CAP3[0]

[2]

I/O P0[23] — General purpose digital input/output pin.

I AD0[0] — A/D converter 0, input 0.

I/O I2SRX_CLK — Receive Clock. It is driven by the master and received by

the slave. Corresponds to the signal SCK in the

S-bus speciﬁcation

I CAP3[0] — Capture input for Timer 3, channel 0.

P0[24]/AD0[1]/

I2SRX_WS/

CAP3[1]

[2]

I/O P0[24] — General purpose digital input/output pin.

I AD0[1] — A/D converter 0, input 1.

I/O I2SRX_WS — Receive Word Select. It is driven by the master and received

by the slave. Corresponds to the signal WS in the

S-bus speciﬁcation

I CAP3[1] — Capture input for Timer 3, channel 1.

P0[25]/AD0[2]/

I2SRX_SDA/

TXD3

[2]

I/O P0[25] — General purpose digital input/output pin.

I AD0[2] — A/D converter 0, input 2.

I/O I2SRX_SDA — Receive data. It is driven by the transmitter and read by the

receiver. Corresponds to the signal SD in the

S-bus speciﬁcation

O TXD3 — Transmitter output for UART3.

P0[26]/AD0[3]/

AOUT/RXD3

[3]

I/O P0[26] — General purpose digital input/output pin.

I AD0[3] — A/D converter 0, input 3.

O AOUT — D/A converter output.

I RXD3 — Receiver input for UART3.

Table 4. Pin description

…continued

Symbol Pin Ball Type Description

Product data sheet Rev. 05 — 9 April 2009 11 of 53

NXP Semiconductors

LPC2364/65/66/67/68

Single-chip 16-bit/32-bit microcontrollers

P0[27]/SDA0 25

[4]

I/O P0[27] — General purpose digital input/output pin. Output is open-drain.

I/O SDA0 — I

C0 data input/output. Open-drain output (for I

C-bus

compliance).

P0[28]/SCL0 24

[4]

I/O P0[28] — General purpose digital input/output pin. Output is open-drain.

I/O SCL0 — I

C0 clock input/output. Open-drain output (for I

C-bus

compliance).

P0[29]/USB_D+ 29

[5]

I/O P0[29] — General purpose digital input/output pin.

I/O USB_D+ — USB bidirectional D+ line. (LPC2364/66/68 only)

P0[30]/USB_D− 30

[5]

I/O P0[30] — General purpose digital input/output pin.

I/O USB_D− — USB bidirectional D− line. (LPC2364/66/68 only)

P1[0] to P1[31] I/O Port 1: Port 1 is a 32-bit I/O port with individual direction controls for each

bit. The operation of port 1 pins depends upon the pin function selected via

the pin connect block. Pins 2, 3, 5, 6, 7, 11, 12, and 13 of this port are not

available.

P1[0]/

ENET_TXD0

[1]

I/O P1[0] — General purpose digital input/output pin.

O ENET_TXD0 — Ethernet transmit data 0.

P1[1]/

ENET_TXD1

[1]

I/O P1[1] — General purpose digital input/output pin.

O ENET_TXD1 — Ethernet transmit data 1.

P1[4]/

ENET_TX_EN

[1]

I/O P1[4] — General purpose digital input/output pin.

O ENET_TX_EN — Ethernet transmit data enable.

P1[8]/

ENET_CRS

[1]

I/O P1[8] — General purpose digital input/output pin.

I ENET_CRS — Ethernet carrier sense.

P1[9]/

ENET_RXD0

[1]

I/O P1[9] — General purpose digital input/output pin.

I ENET_RXD0 — Ethernet receive data.

P1[10]/

ENET_RXD1

[1]

I/O P1[10] — General purpose digital input/output pin.

I ENET_RXD1 — Ethernet receive data.

P1[14]/

ENET_RX_ER

[1]

I/O P1[14] — General purpose digital input/output pin.

I ENET_RX_ER — Ethernet receive error.

P1[15]/

ENET_REF_CLK

[1]

I/O P1[15] — General purpose digital input/output pin.

I ENET_REF_CLK — Ethernet reference clock.

P1[16]/

ENET_MDC

[1]

I/O P1[16] — General purpose digital input/output pin.

O ENET_MDC — Ethernet MIIM clock.

P1[17]/

ENET_MDIO

[1]

I/O P1[17] — General purpose digital input/output pin.

I/O ENET_MDIO — Ethernet MIIM data input and output.

P1[18]/

USB_UP_LED/

PWM1[1]/

CAP1[0]

[1]

I/O P1[18] — General purpose digital input/output pin.

O USB_UP_LED — USB GoodLink LED indicator. It is LOW when device is

conﬁgured (non-control endpoints enabled). It is HIGH when the device is

not conﬁgured or during global suspend. (LPC2364/66/68 only)

O PWM1[1] — Pulse Width Modulator 1, channel 1 output.

I CAP1[0] — Capture input for Timer 1, channel 0.

P1[19]/CAP1[1] 33

[1]

I/O P1[19] — General purpose digital input/output pin.

I CAP1[1] — Capture input for Timer 1, channel 1.

Table 4. Pin description

…continued

Symbol Pin Ball Type Description

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