Table 5-1. GPIO mapping
LS1043ARDB primary
function
LS1043ARDB GPIO
function
Connection
Description
IRQ[3]
GPIO1_23
TDMB_TSYNC
TDM slot
IRQ[4]
GPIO1_24
TDMA_RXD
TDM slot
IRQ[5]
GPIO1_25
TDMA_RSYNC
TDM slot
IRQ[6]
GPIO1_26
TDMA_TXD
TDM slot
IRQ[7]
GPIO1_27
TDMA_TSYNC
TDM slot
IRQ[8]
GPIO1_28
TDMB_RXD
TDM slot
IRQ[9]
GPIO1_29
TDMB_RSYNC
TDM slot
IRQ[10]
GPIO1_30
TDMB_TXD
TDM slot
IRQ[11]
GPIO1_31
CPLD
ASLEEP
GPIO1_13
ALEEP LED
RTC
GPIO1_14
RTC CLK
RTC clock
GPIOs
QorIQ LS1043A Reference Design Board Reference Manual, Rev. 0, 08/2015
50
Freescale Semiconductor, Inc.