Signal Descriptions
MPC5510 Microcontroller Family Reference Manual, Rev. 1
Freescale Semiconductor
2-17
Preliminary
2.7.1.2
PA14 — GPI (PA[14]) / Analog Input (AN[14]) / 32 kHz Crystal Input
(EXTAL32)
PA[14] is a general-purpose input (GPI) pin. AN[14] is a single-ended analog input pin. EXTAL32 is the
input pin for an external 32 kHz crystal oscillator (EXTAL32 function available on PA[14] pin on the
144LQFP package and PK[0] pin on the 176LQFP and 208BGA packages).
2.7.1.3
PA15 — GPI (PA[15]) / Analog Input (AN[15]) / 32 kHz Crystal Output
(XTAL32)
PA[15] is a GPI pin. AN[15] is a single-ended analog input pin. XTAL32 is the output pin for an external
32 kHz crystal oscillator (XTAL32 function available on PA[15] pin on the 144LQFP package and PK[1]
pin on the 176LQFP and 208BGA packages).
2.7.2
Port B Pins
2.7.2.1
PB0 — GPIO (PB[0]) / Analog Input (AN[28]) / eMIOS Channel
(eMIOS[16]) / DSPI_C Peripheral Chip Select (PCS_C[5])
PB[0] is a GPIO pin. AN[28] is a single-ended analog input pin. eMIOS[16] is an output-only channel pin
for the eMIOS200 module. PCS_C[5] is a peripheral chip select output pin for the DSPI C module.
2.7.2.2
PB1 — GPIO (PB[1]) / Analog Input (AN[29]) / eMIOS Channel
(eMIOS[17]) / DSPI_C Peripheral Chip Select (PCS_C[4])
PB[1] is a GPIO pin. AN[29] is a single-ended analog input pin. eMIOS[17] is an output-only channel pin
for the eMIOS200 module. PCS_C[4] is a peripheral chip select output pin for the DSPI C module.
2.7.2.3
PB2 — GPIO (PB[2]) / Analog Input (AN[30]) / eMIOS Channel
(eMIOS[18]) / DSPI_C Peripheral Chip Select (PCS_C[3])
PB[2] is a GPIO pin. AN[30] is a single-ended analog input pin. eMIOS[18] is an output-only channel pin
for the eMIOS200 module. PCS_C[3] is a peripheral chip select output pin for the DSPI C module.
2.7.2.4
PB3 — GPIO (PB[3]) / Analog Input (AN[31]) / DSPI_C Peripheral Chip
Select (PCS_C[2])
PB[3] is a GPIO pin. AN[31] is a single-ended analog input pin. PCS_C[2] is a peripheral chip select
output pin for the DSPI C module.
2.7.2.5
PB4 — GPIO (PB[4]) / Analog Input (AN[32]) / DSPI_C Peripheral Chip
Select (PCS_C[1])
PB[4] is a GPIO pin. AN[32] is a single-ended analog input pin. PCS_C[1] is a peripheral chip select
output pin for the DSPI C module.