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3.4 GPIO Mapping
The General Purpose IOs (GPIO) of the EVM are broken into two major groups, IO connected to J7AEP or
connected to I2C-based Expander. They are separated into
Table 3-3. GPIO Mapping for Processor IO
GPIO Number
Function
Input/Output
Remarks
WKUP_GPIO0_0
MCU CAN0 Enable
Output
‘0’ – CAN Enable
‘1’ – CAN is disabled (Default)
WKUP_GPIO0_1
Boot EEPROM Write protect
Output
‘0’ – Memory is NOT Write-
Protected
‘1’ – Memory is Write-Protected
(default)
WKUP_GPIO0_2
MCU CAN1 Standby
Output
‘0’ – Normal Mode
‘1’ – Standby Mode (default)
WKUP_GPIO0_56
MCU_RGMII1_Reset
Output
‘0’ – Resets Ethernet physical
Transceiver
‘1’ – Normal mode(default)
WKUP_GPIO0_7
Push-button Interrupt, User
Defined/Wake S2R
Input
'0' - Interrupt pending
'1' - Normal operation(default)
WKUP_GPIO0_6
Flash Memory Selection
Output
'0' - OSPI0(default)
'1' - OCTAL NAND
WKUP_GPIO0_39
Interrupt from PMIC
Input
‘0’ – Active Interrupt Request
‘1’ – No Interrupt Requested
(default)
WKUP_GPIO0_30
Interrupt from OSPI Flash
Input
‘0’ – Interrupt from OSPI
‘1’ – No interrupt(default)
WKUP_GPIO0_3
MCU Ethernet Interrupt
Input
'0' - Interrupt pending
'1' - Normal operation(default)
WKUP_GPIO0_55
System Power Down
Output
'0' - normal operation(default)
'1' - system power down
WKUP_GPIO0_69
MCU CAN0 Standby
Output
‘0’ – Normal Mode
‘1’ – Standby Mode (default)
WKUP_GPIO0_57
Interrupt from I3C Gyroscope
sensor
Input
'0' - Interrupt pending
'1' - Normal operation(default)
WKUP_GPIO0_70
Push-button wake signal
Input
'0' – wake signal
'1' - normal operation(default)
GPIO0_0
Push-button Interrupt, User
Defined
Input
'0' - Interrupt pending
'1' - Normal operation(default)
GPIO0_11
Push-button wake signal
Input
'0' – wake signal
'1' - normal operation(default)
GPIO0_18
IO Expander Interrupt
(Bus I2C5)
Input
'0' - interrupt pending
'1' - no interrupt(default)
GPIO0_25
IO Expander Interrupt
(Bus I2C0)
Input
'0' - interrupt pending
'1' - no interrupt
GPIO0_8
SD Card IO Voltage Selection
Output
0’ – SD Card IO Voltage is 1.8V
‘1’ – SD Card IO Voltage is 3.3V
(default)
GPIO0_26
CSI2 Expansion Board Specific.
I/O
Camera Expansion Board
Specific (Pin 18)
Circuit Details
SPRUJ69 – DECEMBER 2022
Jacinto7 TDA4VE-Q1/TDA4VL-Q1/TDA4AL-Q1 Evaluation Module (EVM)
21
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