General Description
Technical Data
MC68HC08AZ32A — Rev 1.0
36
General Description
MOTOROLA
1.4.18 Port H I/O Pins (PTH1/KBD4–PTH0/KBD3)
Port H is a 2-bit special-function port that shares all of its pins with the
Keyboard Module (KBD). See
Keyboard Module (KBD)
on page 373
and
I/O Ports
on page 293.
1.4.19 CAN Transmit Pin (TxCAN)
TxCAN is the digital output from the MSCAN08 module. See
MSCAN08
Controller (MSCAN08)
on page 321.
1.4.20 CAN Receive Pin (RxCAN)
RxCAN is the digital input to the MSCAN08 module. See
MSCAN08
Controller (MSCAN08)
on page 321.
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/0
/ 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/A
TD8
General Purpose I/O
/ADC channel
Dual State
No
Input (Hi-Z)
PTE7/SPSCK
General Purpose I/0
/ SPI clock
Dual State
(open drain)
Yes (only for SPI func-
tion)
Input (Hi-Z)
PTE6/MOSI
General Purpose I/0
/ SPI data path
Dual State
(open drain)
Yes (only for SPI func-
tion)
Input (Hi-Z)
PTE5/MISO
General Purpose I/0
/ SPI data path
Dual State
(open drain)
Yes (only for SPI func-
tion)
Input (Hi-Z)
F
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