MC68HC08GP32A Datasheet, PDF (29/258 Pages) Freescale Semiconductor, Inc – Microcontrollers

Input/Output (I/O) Section
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
↓
$000B
$000C
Register Name
Bit 7
Port A Data Register ^Read:
(PTA) Write:
See page 110. _Reset:
PTA7
Port B Data Register ^Read:
(PTB) Write:
See page 112. _Reset:
PTB7
Port C Data Register ^Read:
0
(PTC) Write:
See page 114. _Reset:
Port D Data Register ^Read:
(PTD) Write:
See page 116. _Reset:
PTD7
Data Direction Register A ^Read:
(DDRA) Write:
See page 110. _Reset:
DDRA7
0
Data Direction Register B ^Read:
(DDRB) Write:
See page 113. _Reset:
DDRB7
0
Data Direction Register C ^Read:
0
(DDRC) Write:
See page 114. _Reset:
0
Data Direction Register D ^Read:
(DDRD) Write:
See page 120. _Reset:
DDRD7
0
Port E Data Register ^Read:
0
(PTE) Write:
See page 119. _Reset:
Read:
Unimplemented Write:
Reset: 0
Data Direction Register E ^Read:
0
(DDRE) Write:
See page 120. _Reset:
0
6
5
4
3
PTA6
PTA5
PTA4
PTA3
Unaffected by reset
PTB6
PTB5
PTB4
PTB3
Unaffected by reset
PTC6
PTC5
PTC4
PTC3
Unaffected by reset
PTD6
PTD5
PTD4
PTD3
Unaffected by reset
DDRA6 DDRA5 DDRA4 DDRA3
0
0
0
0
DDRB6 DDRB5 DDRB4 DDRB3
0
0
0
0
DDRC6 DDRC5 DDRC4 DDRC3
0
0
0
0
DDRD6 DDRD5 DDRD4 DDRD3
0
0
0
0
0
0
0
0
Unaffected by reset
0
0
0
0
0
0
0
0
0
0
= Unimplemented
0
0
R = Reserved
2
PTA2
1
PTA1
PTB2
PTB1
PTC2
PTC1
PTD2
PTD1
DDRA2 DDRA1
0
0
DDRB2 DDRB1
0
0
DDRC2 DDRC1
0
0
DDRD2 DDRD1
0
0
0
PTE1
0
0
0
DDRE1
0
0
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 7)
Bit 0
PTA0
PTB0
PTC0
PTD0
DDRA0
0
DDRB0
0
DDRC0
0
DDRD0
0
PTE0
0
DDRE0
0
MC68HC08GP32A • MC68HC08GP16A Data Sheet, Rev. 1.0
Freescale Semiconductor
29