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introduce_layout_01

P4M-400由四个6 x 2排针(P1至P4)接口组成。 引脚间隔是2 mm。

P1

Pin# Name I/O Description
P1.1 GND - Ground
P1.2 GND - Ground
P1.3 TPTX+ In/Out Ethernet Transmit +
P1.4 TPTX- In/Out Ethernet Transmit -
P1.5 TPRX+ In/Out Ethernet Receive +
P1.6 TPRX- In/Out Ethernet Receive -
P1.7 GND - Ground
P1.8 GND - Ground
P1.9 USB_H_D+ In/Out USB Host Data +
P1.10 USB_H_D- In/Out USB Host Data -
P1.11 USB_D_D+ In/Out USB Device Data +
P1.12 USB_D_D- In/Out USB Device Data -

P2

Pin# Name I/O Description
P2.1 VBUS In USB Device VBUS
P2.2 +3.3V - +3.3V Power Input
P2.3 HT0(1.6) In/Out UIO 1.6 / Hardware Timer/Counter 0
P2.4 HT1(1.7) In/Out UIO 1.7 / Hardware Timer/Counter 1
P2.5 HT2(1.8) In/Out UIO 1.8 / Hardware Timer/Counter 2
P2.6 HT3(1.9) In/Out UIO 1.9 / Hardware Timer/Counter 3
P2.7 UIO(0.14) In/Out UIO 0.14
P2.8 SRO(0.15) In/Out UIO 0.15 / Slave Reset Out
P2.9 ISP# In ISP Input (Active LOW)
P2.10 DTX Out Debug Out (UART)
P2.11 RESET# In Reset Input (Active LOW)
P2.12 VBAT In Battery Input

P3

Pin# Name I/O Description
P3.1 NSS(0.0) In/Out UIO 0.0 / SPI NSS
P3.2 SCK(0.1) In/Out UIO 0.1 / SPI SCK
P3.3 MISO(0.2) In/Out UIO 0.2 / SPI MISO
P3.4 MOSI(0.3) In/Out UIO 0.3 / SPI MOSI
P3.5 U0TX(0.4) In/Out UIO 0.4 / UART0 TX
P3.6 U0RX(0.5) In/Out UIO 0.5 / UART0 RX
P3.7 SCL(0.6) In/Out UIO 0.6 / I2C SCL
P3.8 SDA(0.7) In/Out UIO 0.7 / I2C SDA
P3.9 U0RTS(0.8) In/Out UIO 0.8 / UART0 RTS
P3.10 U0CTS(0.9) In/Out UIO 0.9 / UART0 CTS
P3.11 U1TX(0.10) In/Out UIO 0.10 / UART1 TX
P3.12 U1RX(0.11) In/Out UIO 0.11 / UART1 RX

P4

Pin# Name I/O Description
P4.1 U1RTS(0.12) In/Out UIO 0.12 / UART1 RTS
P4.2 U1CTS(0.13) In/Out UIO 0.13 / UART1 CTS
P4.3 STX(1.10) In/Out UIO 1.10 / Slave TX
P4.4 SRX(1.11) In/Out UIO 1.11 / Slave RX
P4.5 GND - Ground
P4.6 GND - Ground
P4.7 +3.3V - +3.3V Power Input
P4.8 AREF In ADC Reference Input
P4.9 ADC0(1.0) In/Out UIO 1.0 / ADC0
P4.10 ADC1(1.1) In/Out UIO 1.1 / ADC1
P4.11 ADC2(1.2) In/Out UIO 1.2 / ADC2
P4.12 ADC3(1.3) In/Out UIO 1.3 / ADC3

LED

模块的中央下端由用户定义LED。 此LED上连接了UIO 0.31,产品出厂时作为状态标示用LED设定后出厂。 根据需要可设定为输出端口,输出LOW时LED亮。