General Description
MC68HC08AZ32A Data Sheet, Rev. 2
26
Freescale Semiconductor
Table 1-1. External Pins Summary
Pin Name
Function
Driver
Type
Hysteresis(1)
Reset
State
PTA7–PTA0
General purpose I/O
Dual state
No
Input (Hi-Z)
PTB7/ATD7–PTB0/ATD0
General purpose I/O/ADC channel
Dual state
No
Input (Hi-Z)
PTC5–PTC0
General purpose I/O
Dual state
No
Input (Hi-Z)
PTD7
General purpose I/O
Dual state
No
Input (Hi-Z)
PTD6/ATD14/TACLK
General purpose I/O/ADC channel/
timer A external input clock
Dual state
Yes (only for
timer A function)
Input (Hi-Z)
PTD5/ATD13
General purpose I/O/ADC channel
Dual state
No
Input (Hi-Z)
PTD4/ATD12/TBCLK
General purpose I/O/ADC channel/
timer B external input clock
Dual state
Yes (only for
timer B function)
Input (Hi-Z)
PTD3/ATD11–PTD0/ATD8
General purpose I/O/ADC channel
Dual state
No
Input (Hi-Z)
PTE7/SPSCK
General purpose I/O/SPI clock
Dual state
(open drain)
Yes (only for
SPI function)
Input (Hi-Z)
PTE6/MOSI
General purpose I/O/SPI data path
Dual state
(open drain)
Yes (only for
SPI function)
Input (Hi-Z)
PTE5/MISO
General purpose I/O/SPI data path
Dual state
(open drain)
Yes (only for
SPI function)
Input (Hi-Z)
PTE4/SS
General purpose I/O/SPI slave select
Dual state
Yes (only for
SPI function)
Input (Hi-Z)
PTE3/TACH1
General purpose I/O/timer A channel 1
Dual state
Yes (only for
timer A function)
Input (Hi-Z)
PTE2/TACH0
General purpose I/O/timer A channel 0
Dual state
Yes (only for
timer A function)
Input (Hi-Z)
PTE1/RxD
General purpose I/O/SCI receive data
Dual state
Yes (only for
SCI function)
Input (Hi-Z)
PTE0/TxD
General purpose I/O/SCI transmit data
Dual state
No
Input (Hi-Z)
PTF6
General purpose I/O
Dual state
No
Input (Hi-Z)
PTF5/TBCH1
General purpose I/O/timer B channel 1
Dual state
Yes (only for
timer B function)
Input (Hi-Z)
PTF4/TBCH0
General purpose I/O/ timer B channel 0
Dual state
Yes (only for
timer B function)
Input (Hi-Z)
PTF3/TACH5
General purpose I/O/timer A channel 5
Dual state
Yes (only for
timer A function)
Input (Hi-Z)
PTF2/TACH4
General purpose I/O/timer A channel 4
Dual state
Yes (only for
timer A function)
Input (Hi-Z)
PTF1/TACH3
General purpose I/O/timer A channel 3
Dual state
Yes (only for
timer A function)
Input (Hi-Z)
PTF0/TACH2
General purpose I/O/timer A channel 2
Dual state
Yes (only for
timer A function)
Input (Hi-Z)
— Continued on next page