mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 318

• Manufacturer Part Number: mc68hc708mp16
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Input/Output (I/O) Ports
15.2 Introduction
Technical Data
318
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
NOTE:
Port A Data Register
Port B Data Register
Port C Data Register
Port D Data Register
Port E Data Register
Port F Data Register
Name
Thirty-seven bidirectional input-output (I/O) pins and seven input pins
form eight parallel ports. All I/O pins are programmable as inputs or
outputs.
Connect any unused I/O pins to an appropriate logic level, either V
V
operation, termination reduces excess current consumption and the
possibility of electrostatic damage.
(PTA)
(PTB)
(PTC)
(PTD)
(PTE)
(PTF)
SS
Figure 15-1. I/O Port Register Summary
. Although the I/O ports do not require termination for proper
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Bit 7
PTA7
PTB7
PTE7
0
0
0
Input/Output (I/O) Ports
= Unimplemented
PTA6
PTB6
PTC6
PTD6
PTE6
6
0
PTC5
PTD5
PTA5
PTB5
PTE5
PTF5
5
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
PTC4
PTA4
PTB4
PTD4
PTE4
PTF4
4
PTA3
PTB3
PTC3
PTD3
PTE3
PTF3
3
MC68HC708MP16
Freescale Semiconductor
PTC2
PTD2
PTA2
PTB2
PTE2
PTF2
2
PTC1
PTD1
PTA1
PTB1
PTE1
PTF1
1
—
Rev. 3.1
DD
Bit 0
PTA0
PTB0
PTC0
PTD0
PTE0
PTF0
or