General Description
Pin Assignments
MC68HC08AZ32A — Rev 1.0
Technical Data
MOTOROLA
General Description
37
PTE4/SS
General Purpose I/0
/ SPI Slave Select
Dual State
Yes (only for SPI func-
tion)
Input (Hi-Z)
PTE3/TACH1
General Purpose I/0
/ TimerA channel 1
Dual State
Yes (only for Timer A
function)
Input (Hi-Z)
PTE2/TACH0
General Purpose I/0
/ TimerA channel 0
Dual State
Yes (only for Timer A
function)
Input (Hi-Z)
PTE1/RxD
General Purpose I/0
/ SCI Receive Data
Dual State
Yes (only for SCI func-
tion)
Input (Hi-Z)
PTE0/TxD
General Purpose I/0
/ SCI Transmt 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/0
/ Timer B Channel 0
Dual State
Yes (only for Timer B
function)
Input (Hi-Z)
PTF3/TACH5
General Purpose I/0/Timer A Channel 5
Dual State
Yes (only for Timer A
function)
Input (Hi-Z)
PTF2/TACH4
General Purpose I/0/Timer A Channel 4
Dual State
Yes (only for Timer A
function)
Input (Hi-Z)
PTF1/TACH3
General Purpose I/0
/Timer A Channel 3
Dual State
Yes (only for Timer A
function)
Input (Hi-Z)
PTF0/TACH2
General Purpose I/0
/Timer A channel 2
Dual State
Yes (only for Timer A
function)
Input (Hi-Z)
PTG2/KBD2
–
PTG0/KBD0
General Purpose I/0/Keyboard Wakeup Pin
Dual State
Yes (only for KBD func-
tion)
Input (Hi-Z)
PTH1/KBD4
–
PTH0/KBD3
General Purpose I/0/Keyboard Wakeup Pin
Dual State
Yes (only for KBD func-
tion)
Input (Hi-Z)
V
DD
Logical Chip Power Supply
NA
NA
NA
V
SS
Logical Chip Ground
NA
NA
NA
V
DDA
CGMAnalog Power Supply
NA
NA
NA
V
SSA
CGMAnalog Ground
NA
NA
NA
VREFH
ADC Reference High Voltage
NA
NA
NA
A
VSS
/VREFL
ADC Gnd & Reference Low Voltage
NA
NA
NA
Table 1-1. External Pins Summary (Continued)
PIN NAME
FUNCTION
DRIVER TYPE
HYSTERESIS
(1)
RESET STATE
F
Freescale Semiconductor, Inc.
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n
.