ZHCUBI4 October 2023
AM62x SIP SK EVM 使用一个 40 引脚用户扩展连接器(制造商器件型号为 PEC20DAAN)支持 RPi 扩展接口。四个安装孔必须与连接器的排列方向一致,以便连接这些扩展板。
该 40 引脚用户扩展连接器上包括以下接口和 IO。
每个 5V 和 3.3V 电源的电流分别限制为 155mA 和 500mA。这是通过使用两个单独的负载开关 TPS22902YFPR 和 TPS22946YZPR 实现的。负载开关的使能端由基于 I2C 的 GPIO 端口扩展器进行驱动。
下表列出了从用户扩展连接器路由的信号。
引脚编号 | SoC 焊球 | 网络名称 | 引脚多路复用信号 |
---|---|---|---|
1 | - | VCC3V3_EXP | |
2 | - | VCC5V0_EXP | |
3 | K24 | SoC_I2C2_SDA | GPMC0_CSN3/GPMC0_A20/UART4_TXD/MCASP1_AXR5/TRC_DATA18/GPIO0_44/MCASP1_ACLKR |
4 | - | VCC5V0_EXP | |
5 | K22 |
SoC_I2C2_SCL |
GPMC0_CSN2/MCASP1_AXR4/UART4_RXD/PR0_PRU0_GPO19/PR0_PRU0_GPI19/TRC_DATA17/GPIO0_43/MCASP1_AFSR |
6 | - | DGND | |
7 | A18 |
EXP_CLKOUT0 |
EXT_REFCLK1/SYNC1_OUT/SPI2_CS3/SYSCLKOUT0/TIMER_IO4/CLKOUT0/CP_GEMAC_CPTS0_RFT_CLK/GPIO1_30/ECAP0_IN_APWM_OUT |
8 | E15 |
EXP_UART5_TXD |
UART5_TXD/TIMER_IO3/SYNC3_OUT/UART1_RIn/EQEP2_S/PR0_UART0_TXD/GPIO1_25/MCASP2_AXR1/EHRPWM_TZn_IN4 |
9 | - | DGND | |
10 | C15 |
EXP_UART5_RXD |
UART5_RXD/TIMER_IO2/SYNC2_OUT/UART1_DTRn/EQEP2_I/PR0_UART0_RXD/GPIO1_24/MCASP2_AXR0/EHRPWM_TZn_IN3 |
11 | B20 | EXP_SPI2_CS1 | MCASP0_ACLKX/SPI2_CS1/ECAP2_IN_APWM_OUT/GPIO1_11/ EQEP1_A |
12 | E19 | EXP_SPI2_CS0/EHRPWM0_A | MCASP0_AFSR/SPI2_CS0/UART1_RXD/EHRPWM0_A/GPIO1_13/EQEP1_S |
13 | L21 |
EXP_GPIO0_42 |
GPMC0_CSn1/PR0_PRU1_GPO16/PR0_PRU1_GPI16/MCASP2_AXR15/PR0_PRU0_GPO18/PR0_PRU0_GPI18/TRC_DATA16/GPIO0_42 |
14 | - | DGND | |
15 | L23 |
EXP_GPIO0_32 |
GPMC0_ADVn_ALE/MCASP1_AXR2/PR0_PRU0_GPO9/PR0_PRU0_GPI9/TRC_DATA7/GPIO0_32 |
16 | V25 | EXP_GPIO0_38 | GPMC0_WAIT1/VOUT0_EXTPCLKIN/GPMC0_A21/UART6_RXD/GPIO0_38/EQEP2_I |
17 | - | VCC3V3_EXP | |
18 | K25 |
EXP_GPIO0_39 |
GPMC0_WPn/AUDIO_EXT_REFCLK1/GPMC0_A22/UART6_TXD/PR0_PRU0_GPO15/PR0_PRU0_GPI15/TRC_DATA13/GPIO0_39 |
19 | B13 | EXP_SPI0_D0 | SPI0_D0/CP_GEMAC_CPTS0_HW1TSPUSH/EHRPWM1_B/GPIO1_18 |
20 | - | DGND | |
21 | B14 | EXP_SPI0_D1 | SPI0_D1/CP_GEMAC_CPTS0_HW2TSPUSH/HRPWM_TZn_IN0/GPIO1_19 |
22 |
E24 |
EXP_GPIO0_14 |
OSPI0_CSn3/OSPI0_RESET_OUT0/OSPI0_ECC_FAIL/MCASP1_ACLKR/MCASP1_AXR3/UART5_TXD/GPIO0_14 |
23 | A14 | EXP_SPI0_CLK | SPI0_CLK/CP_GEMAC_CPTS0_TS_SYNC/EHRPWM1_A/GPIO1_17 |
24 | A13 | EXP_SPI0_CS0 | SPI0_CS0/EHRPWM0_A/PR0_ECAP0_SYNC_IN/GPIO1_15 |
25 | - | DGND | |
26 |
C13 |
EXP_SPI0_CS1 |
SPI0_CS1/CP_GEMAC_CPTS0_TS_COMP/EHRPWM0_B/ECAP0_IN_APWM_OUT/GPIO1_16/EHRPWM_TZn_IN5 |
27 |
A16 |
SoC_I2C0_SDA |
I2C0_SDA/PR0_IEP0_EDIO_DATA_IN_OUT31/SPI2_CS2/TIMER_IO5/UART1_DSRn/EQEP2_B/EHRPWM_SOCB/GPIO1_27/ECAP2_IN_APWM_OUT |
28 |
B16 |
SoC_I2C0_SCL |
I2C0_SCL/PR0_IEP0_EDIO_DATA_IN_OUT30/SYNC0_OUT/OBSCLK0/UART1_DCDn/EQEP2_A EHRPWM_SOCA/GPIO1_26/ECAP1_IN_APWM_OUT/SPI2_CS0 |
29 |
N20 |
EXP_GPIO0_36 |
GPMC0_BE1n/MCASP2_AXR12/PR0_PRU0_GPO13/PR0_PRU0_GPI13/TRC_DATA11/ GPIO0_36 |
30 | - | DGND | |
31 |
L24 |
EXP_GPIO0_33 |
GPMC0_OEn_REn/MCASP1_AXR1/PR0_PRU0_GPO10/PR0_PRU0_GPI10/TRC_DATA8/GPIO0_33 |
32 |
M22 |
EXP_GPIO0_40/PR0_ECAP0_IN_APWM_OUT |
GPMC0_DIR/PR0_ECAP0_IN_APWM_OUT/MCASP2_AXR13/PR0_PRU0_GPO16/PR0_PRU0_GPI16/TRC_DATA14/GPIO0_40/EQEP2_S |
33 |
E18 |
EXP_EHRPWM1_B |
MCASP0_AXR0/PR0_ECAP0_IN_APWM_OUT/AUDIO_EXT_REFCLK0/PR0_UART0_TXD/EHRPWM1_B/GPIO1_10/ EQEP0_I |
34 | - | DGND | |
35 |
A19 |
EXP_SPI2_D1/ECAP2_IN_APWM_OUT |
MCASP0_AXR2/SPI2_D1/UART1_RTSn/UART6_TXD/PR0_IEP0_EDIO_DATA_IN_OUT29/ECAP2_IN_APWM_OUT/PR0_UART0_TXD/GPIO1_8/EQEP0_B |
36 |
B18 |
EXP_SPI2_CS2 |
MCASP0_AXR1/SPI2_CS2/ECAP1_IN_APWM_OUT/PR0_UART0_RXD/EHRPWM1_A/GPIO1_9/EQEP0_S |
37 |
M21 |
EXP_GPIO0_41 |
GPMC0_CSn0/MCASP2_AXR14/PR0_PRU0_GPO17/PR0_PRU0_GPI17/TRC_DATA15/GPIO0_41 |
38 |
B19 |
EXP_SPI2_D0 |
MCASP0_AXR3/SPI2_D0/UART1_CTSn/UART6_RXD/PR0_IEP0_EDIO_DATA_IN_OUT28/ECAP1_IN_APWM_OUT/PR0_UART0_RXDGPIO1_7 EQEP0_A |
39 | - | EXP_HAT_DETECT | |
40 | A20 | EXP_SPI2_CLK | MCASP0_ACLKR/SPI2_CLK/UART1_TXD/EHRPWM0_B/GPIO1_14/EQEP1_I |