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NXP Semiconductors
UM11826
FRDMDUALK3664EVB evaluation board
MCU interface
Signal
Description
Direction
MCU signal
K3-3
VIO
5.0 V IO supply
←
5V
K3-9
VCC5
5.0 V supply
←
5V
K3-11
GND
ground
GND
K3-13
GND
ground
GND
K5-12
GND
ground
GND
K2-13
GND
ground
GND
K6-12
GND
ground
GND
K4-2
TPL1EN
TPL1 enable
←
PTC19
K4-1
TPL1INTB
TPL1 interrupt
→
PTD1/EIRQ9
K4-4
TPL2EN
TPL2 enable
←
PTC18
K4-3
TPL2INTB
TPL2 interrupt
→
PTD0/EIRQ8
K2-17
TPL1TXCSB
TPL1 TX chip select
←
PTC6/LPSPI0_PCS1
K4-15
TPL2TXCSB
TPL2 TX chip select
←
PTE6/LPSPI0_PCS2
K2-19
TPL12TXCSB
TPL1 and TPL2 TX chip select
←
PTC7/LPSPI0_PCS0
K4-7
TPL12TXCLK
TPL1 and TPL2 TX clock
←
PTE1/LPSPI0_SCK
K4-13
TPL12TXDATA
TPL1 and TPL2 TX data
←
PTE2/LPSPI0_SOUT
K2-5
TPL1RXCSB
TPL1 RX chip select
→
PTB17/LPSPI1_PCS3
K2-11
TPL1RXCLK
TPL1 RX clock
→
PTB14/LPSPI1_SCK
K2-9
TPL1RXDATA
TPL1 RX data
→
PTB15/LPSPI1_SIN
K4-10
TPL2RXCSB
TPL2 RX chip select
→
PTC12/LPSPI2_PCS1
K4-6
TPL2RXCLK
TPL2 RX clock
→
PTB29/LPSPI2_SCK
K4-8
TPL2RXDATA
TPL2 RX data
→
PTB2/LPSPI2_SIN
K5-13
Debug1
GPIO for debugging purposes
←
PTE25
K5-15
Debug2
GPIO for debugging purposes
←
PTE26
K6-17
GUITXD
UART routed to connector J6 (UART)
→
PTE5/LPUART12_RX
K6-19
GUIRXD
UART routed to connector J6 (UART)
←
PTE4/LPUART12_TX
Table 7. Signal routing for S32K3x4EVB-Q172
UM11826
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User manual
Rev. 1 — 6 September 2022
10 / 17