NXP Semiconductors K32 L2A Series, Reference Manual, Page: 173 / 1379

Table 10-21. LPUART1 signal descriptions
Chip signal name Module signal
name
Description I/O
LPUART1_TX TxD Transmit data O
LPUART1_RX RxD Receive data I
LPUART1_ CTS_b LPUART_CTS Clear to send. I
LPUART1_ RTS_b LPUART_RTS Request to send. O
Table 10-22. LPUART2 signal descriptions
Chip signal name Module signal
name
Description I/O
LPUART2_TX TxD Transmit data O
LPUART2_RX RxD Receive data I
LPUART2_ CTS_b LPUART_CTS Clear to send. I
LPUART2_ RTS_b LPUART_RTS Request to send. O
10.3.8 Human-machine interfaces (HMI)
Table 10-23. GPIO Signal Descriptions
Chip signal name Module signal
name
Description I/O
PTA[31:0]
1
PORTA31–PORTA0 General-purpose input/output I/O
PTB[31:0]
1
PORTB31–PORTB0 General-purpose input/output I/O
PTC[31:0]
1
PORTC31–PORTC0 General-purpose input/output I/O
PTD[31:0]
1
PORTD31–PORTD0 General-purpose input/output I/O
PTE[31:0]
1
PORTE31–PORTE0 General-purpose input/output I/O
1. The available GPIO pins depend on the specific package. See the signal multiplexing section for which exact GPIO signals
are available.
Table 10-24. TSI Signal Descriptions
Chip signal name Module signal
name
Description I/O
TSI0_CH[15:0] TSI[15:0] TSI capacitive pins. Switches driver that connects directly to the
electrode pins TSI[15:0] can operate as GPIO pins. I/O
Chapter 10 Signal Multiplexing and Signal Descriptions
K32 L2A Reference Manual, Rev. 2, 01/2020
NXP Semiconductors 173