Texas Instruments LaunchPad AM243 Series User Manual page 58

Hardware Description
4.3 GPIO Mapping
Table 4-10 describes the detailed GPIO mapping of the SoC with the LaunchPad peripherals.
Net Name Package Signal Name
TEST_LED1_GREEN GPMC0_AD7
TEST_LED2_RED UART0_RTSN
TEST_LED3_RED PRG1_PRU1_GPO18
TEST_LED4_GREEN PRG1_PRU1_GPO19
USER_LED1 GPMC0_AD11
USER_LED2 GPMC0_AD15
USER_INTn UART_CTSN
OSPI0_RESET_N OSPI0_CSN1
MCAN/eQEP_MUX_SEL PRG0_PRU1_GPO8
FSI/BP_MUX_SEL GPMC0_AD13
MCAN0_STB PRG0_PRU1_GPO5
PRG_CPSW_RGMII1_ PRG1_PRU1_GPO5
MUX_SEL
GPIO_RGMII1_PHY_RS PRG1_PRU1_GPO8
Tn
GPIO_RGMII2_PHY_RS PRG1_PRU1_GPO18
Tn
PRG1_CPSW_RGMII_IN PRG1_PRU1_GP19
Tn
GPIO0_50 PRG1_PRU0_GPO5
58 AM243x LaunchPad™ Development Kit User's Guide
Table 4-10. GPIO Mapping Table
GPIO Number Input or Output
GPIO0_22 Output
GPIO1_55 Output
GPIO1_39 Output
GPIO1_38 Output
GPIO0_26 Output
GPIO0_30 Output
GPIO1_54 Input
GPIO0_12 Ouput
GPIO1_28 Output
GPIO0_28 Output
GPIO1_25 Output
GPIO0_70 Output
GPIO0_73 Output
GPIO0_20 Output
GPIO0_84 Input
GPIO0_50 IO
Copyright © 2022 Texas Instruments Incorporated
Default State
PD Active High
PD Active High
PD Active High
PD Active High
PD Active High
PD Active High
PU Active Low
PU Active Low
PD N/A
PD N/A
PU Active Low
PD N/A
PU Active Low
PU Active Low
PU Active Low
NA NA
SPRUJ12B – AUGUST 2021 – REVISED OCTOBER 2022
www.ti.com
Function
To turn on the green test
LED
To turn on the red test
LED
To turn the bicolor LED
red
To turn the bicolor LED
green
To turn on the green user
LED1
to turn on the green user
LED2
User interrupt input from
push button switch
To reset the QSPI FLASH
on OSPI0 interface
To select the functionality
of MCAN0_RX pin as
MCAN0_RX or eQEP_I
To select the functionality
of GPMC0_AD8 and
GPMC0_AD9 pins as
FSI_RX or PWM
To put the CAN
transceiver out of standby
To select the RGMII1 path
between PRG and CPSW
To reset the RGMII1
Ethernet PHY
To reset the RGMII2
Ethernet PHY
Interrupt signal from
both RGMII1 & RGMII2
Ethernet PHY's
GPIO connected to
BoosterPack header
Submit Document Feedback