NXP Semiconductors KL25 Series - Human-Machine Interfaces (HMI)

Table 10-21. UART 1 Signal Descriptions
Chip signal name Module signal
name
Description I/O
UART1_TX TXD Transmit data O
UART1_RX RXD Receive data I
Table 10-22. UART 2 Signal Descriptions
Chip signal name Module signal
name
Description I/O
UART2_TX TXD Transmit data O
UART2_RX RXD Receive data I
10.4.8 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 depends 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
KL25 Sub-Family Reference Manual, Rev. 3, September 2012
Freescale Semiconductor, Inc. 173