SPRUJ40C may 2022 – may 2023
The Table 2-11 describes the detailed GPIO mapping of AM62x SoC with AM62x SKEVM peripherals.
Sl.No | GPIO Description | GPIO NETNAME | Functionality | GPIO Used | SoC Muxed Signal Name | Direction With Respect to Control | Default State | Active State | Voltage on SoC Side | Voltage on SK-EVM |
---|---|---|---|---|---|---|---|---|---|---|
1 | Enable for WLAN Interface | WLAN_EN | ENABLE | GPIO0_71 | MMC2_SDCD | OUTPUT | LOW | HIGH | VDDSHV6 | SoC_DVDD1V8 |
2 | WLAN Interrupt | WLAN_IRQ | INTERRUPT | GPIO0_72 | MMC2_SDWP | INPUT | HIGH | LOW | VDDSHV6 | SoC_DVDD1V8 |
3 | Enable for BT Interface | BT_EN_SOC | ENABLE | MCU_GPIO0_1 | MCU_SPIO_CS0 | OUTPUT | LOW | HIGH | VDDSHV_MCU | SoC_DVDD3V3 |
4 | CPSW Ethernet PHY Interrupt | CPSW_RGMII_INTn/PRu_INTn | INTERRUPT | GPIO1_31 | EXTINTn | INPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 |
PRU Connector Interrupt | ||||||||||
5 | OSPI Reset Control GPIO | GPIO_OSPI_RSTn | RESET | GPIO0_12 | OSPI0_CSn1 | OUTPUT | HIGH | LOW | VDDSHV1 | SoC_DVDD1V8 |
6 | OSPI Interrupt | OSPI_INTn | INTERRUPT | GPIO0_13 | OSPI0_CSn2 | INPUT | HIGH | LOW | VDDSHV1 | SoC_DVDD1V8 |
7 | SD Card IO Voltage Select | VSEL_SD | ENABLE | GPIO0_31 | GPMC0_CLK | OUTPUT | LOW | HIGH | VDDSHV3 | SoC_DVDD3V3 |
8 | IO Expander Interrupt | MCU_GPIO0_15 | INTERRUPT | MCU_GPIO0_15 | MCU_MCAN1_TX | INPUT | HIGH | LOW | VDDSHV_CANUART | SoC_DVDD3V3 |
9 | TEST GPIO1 from Test Automation Connector/User Interrupt | |||||||||
10 | USER Test LED 1 | SOC_GPIO_49 | GPIO | GPIO1_49 | MMC1_SDWP | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 |
IO EXPANDER - 01 | ||||||||||
1 | eMMC Reset control GPIO | GPIO_eMMC_RSTn | RESET | IO EXPANDER - P00 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
2 | CPSW Ethernet PHY-1 Reset control GPIO | GPIO_CPSW1_RST | RESET | IO EXPANDER - P01 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
3 | CPSW Ethernet PHY-2 Reset control GPIO | GPIO_CPSW2_RST | RESET | IO EXPANDER - P02 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
4 | SD Card Load Switch Enable | MMC1_SD_EN | ENABLE | IO EXPANDER - P03 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
5 | SOC eFUSE Voltage(VPP=1.8V) Regulator Enable | VPP_LDO_EN | ENABLE | IO EXPANDER - P04 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 | |
6 | EXP CONN 3.3V Power Switch Enable | RPI_PS_3V3_EN | ENABLE | IO EXPANDER - P05 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 | |
7 | EXP CONN 5V Power Switch Enable | RPI_PS_5V0_EN | ENABLE | IO EXPANDER - P06 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 | |
8 | Audio Codec Reset Control GPIO | GPIO_AUD_RSTn | RESET | IO EXPANDER - P07 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
9 | EXP CONN HAT Board Detection | RPI_HAT_DETECT | DETECTION | IO EXPANDER - P010 | INPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
10 | PRU Board Detection | PRU_DETECT | DETECTION | IO EXPANDER - P11 | INPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
11 | SOC UART1 MUX Select | UART1_MUX_SEL | SELECT | IO EXPANDER - P12 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 | |
12 | Enable for Wilink Level Translators | WL_LT_EN | ENABLE | IO EXPANDER - P13 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 | |
13 | HDMI Transmitter Reset Control GPIO | GPIO_HDMI_RSTn | RESET | IO EXPANDER - P14 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
14 | Rasberry Pi Cameraa CSI0 GPIO1 | CSI_GPIO1 | INPUT/OUTPUT | IO EXPANDER - P15 | NA | NA | NA | VDDSHV0 | SoC_DVDD3V3 | |
15 | Rasberry Pi Cameraa CSI0 GPIO2 | CSI_GPIO2 | INPUT/OUTPUT | IO EXPANDER - P16 | NA | NA | NA | VDDSHV0 | SoC_DVDD3V3 | |
16 | PRU Power Switch Enable | PRU_3V3_EN | ENABLE | IO EXPANDER - P17 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 | |
17 | HDMI Interrupt | HDMI_INTn | INTERRUPT | IO EXPANDER - P20 | INPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
18 | TEST GPIO2 from Test Automation Connector | TEST_GPIO2 | GPIO for Communications with AM62X | IO EXPANDER - P21 | INPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | |
19 | MCASP2 Enable and Direction Control | AUD_BUF_EN | ENABLE | IO EXPANDER - P22 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 | |
20 | WL_BUF_EN | ENABLE | IO EXPANDER - P23 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | ||
21 | AUD_BUF_CLK_DIR | DIRECTION CONTROL | IO EXPANDER - P24 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | ||
22 | WL_BUF_CLK_DIR | DIRECTION CONTROL | IO EXPANDER - P25 | OUTPUT | HIGH | LOW | VDDSHV0 | SoC_DVDD3V3 | ||
23 | OLDI Display Backlight Enable | VLED_ENB | ENABLE | IO EXPANDER - P26 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 | |
24 | User Test LED 2 | IO_EXP_TEST_LED | GPIO | IO EXPANDER - P27 | OUTPUT | LOW | HIGH | VDDSHV0 | SoC_DVDD3V3 |