80
LQFP
64
LQFP
48
QFN
32
QFN
Pin Name Default ALT0 ALT1 ALT2 ALT3 ALT4 ALT5 ALT6 ALT7
39 31 23 16 VSS VSS VSS
40 32 24 17 PTA18 EXTAL0 EXTAL0 PTA18 UART1_RX TPM_CLKIN0
41 33 25 18 PTA19 XTAL0 XTAL0 PTA19 UART1_TX TPM_CLKIN1 LPTMR0_
ALT1
42 34 26 19 RESET_b RESET_b PTA20
43 35 27 20 PTB0/
LLWU_P5
ADC0_SE8/
TSI0_CH0
ADC0_SE8/
TSI0_CH0
PTB0/
LLWU_P5
I2C0_SCL TPM1_CH0
44 36 28 21 PTB1 ADC0_SE9/
TSI0_CH6
ADC0_SE9/
TSI0_CH6
PTB1 I2C0_SDA TPM1_CH1
45 37 29 — PTB2 ADC0_SE12/
TSI0_CH7
ADC0_SE12/
TSI0_CH7
PTB2 I2C0_SCL TPM2_CH0
46 38 30 — PTB3 ADC0_SE13/
TSI0_CH8
ADC0_SE13/
TSI0_CH8
PTB3 I2C0_SDA TPM2_CH1
47 — — — PTB8 DISABLED PTB8 EXTRG_IN
48 — — — PTB9 DISABLED PTB9
49 — — — PTB10 DISABLED PTB10 SPI1_PCS0
50 — — — PTB11 DISABLED PTB11 SPI1_SCK
51 39 31 — PTB16 TSI0_CH9 TSI0_CH9 PTB16 SPI1_MOSI UART0_RX TPM_CLKIN0 SPI1_MISO
52 40 32 — PTB17 TSI0_CH10 TSI0_CH10 PTB17 SPI1_MISO UART0_TX TPM_CLKIN1 SPI1_MOSI
53 41 — — PTB18 TSI0_CH11 TSI0_CH11 PTB18 TPM2_CH0
54 42 — — PTB19 TSI0_CH12 TSI0_CH12 PTB19 TPM2_CH1
55 43 33 — PTC0 ADC0_SE14/
TSI0_CH13
ADC0_SE14/
TSI0_CH13
PTC0 EXTRG_IN CMP0_OUT
56 44 34 22 PTC1/
LLWU_P6/
RTC_CLKIN
ADC0_SE15/
TSI0_CH14
ADC0_SE15/
TSI0_CH14
PTC1/
LLWU_P6/
RTC_CLKIN
I2C1_SCL TPM0_CH0
57 45 35 23 PTC2 ADC0_SE11/
TSI0_CH15
ADC0_SE11/
TSI0_CH15
PTC2 I2C1_SDA TPM0_CH1
58 46 36 24 PTC3/
LLWU_P7
DISABLED PTC3/
LLWU_P7
UART1_RX TPM0_CH2 CLKOUT
59 47 — — VSS VSS VSS
60 48 — — VDD VDD VDD
61 49 37 25 PTC4/
LLWU_P8
DISABLED PTC4/
LLWU_P8
SPI0_PCS0 UART1_TX TPM0_CH3
62 50 38 26 PTC5/
LLWU_P9
DISABLED PTC5/
LLWU_P9
SPI0_SCK LPTMR0_
ALT2
CMP0_OUT
63 51 39 27 PTC6/
LLWU_P10
CMP0_IN0 CMP0_IN0 PTC6/
LLWU_P10
SPI0_MOSI EXTRG_IN SPI0_MISO
64 52 40 28 PTC7 CMP0_IN1 CMP0_IN1 PTC7 SPI0_MISO SPI0_MOSI
65 53 — — PTC8 CMP0_IN2 CMP0_IN2 PTC8 I2C0_SCL TPM0_CH4
66 54 — — PTC9 CMP0_IN3 CMP0_IN3 PTC9 I2C0_SDA TPM0_CH5
67 55 — — PTC10 DISABLED PTC10 I2C1_SCL
68 56 — — PTC11 DISABLED PTC11 I2C1_SDA
69 — — — PTC12 DISABLED PTC12 TPM_CLKIN0
70 — — — PTC13 DISABLED PTC13 TPM_CLKIN1
Chapter 10 Signal Multiplexing and Signal Descriptions
KL25 Sub-Family Reference Manual, Rev. 3, September 2012
Freescale Semiconductor, Inc. 163
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