MC68HC08GZ32 Datasheet, PDF (148/320 Pages) Freescale Semiconductor, Inc – Microcontrollers

Input/Output (I/O) Ports
Addr.
$0005
$0006
$0007
$0008
$000C
$000D
$000E
$000F
$0440
$0441
$0444
$0445
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
Data Direction Register B ^Read:
(DDRB) Write:
See page 154. _Reset:
DDRB7
0
DDRB6
0
DDRB5
0
DDRB4
0
DDRB3
0
DDRB2
0
DDRB1
0
DDRB0
0
Data Direction Register C ^Read:
0
(DDRC) Write:
See page 155. _Reset:
0
DDRC6
0
DDRC5
0
DDRC4
0
DDRC3
0
DDRC2
0
DDRC1
0
DDRC0
0
Data Direction Register D ^Read:
(DDRD) Write:
See page 158. _Reset:
DDRD7
0
DDRD6
0
DDRD5
0
DDRD4
0
DDRD3
0
DDRD2
0
DDRD1
0
DDRD0
0
Port E Data Register ^Read:
0
(PTE) Write:
See page 160. _Reset:
0
PTE5
PTE4
PTE3
PTE2
PTE1
PTE0
Unaffected by reset
Data Direction Register E ^Read:
0
(DDRE) Write:
See page 161. _Reset:
0
0
DDRE5 DDRE4 DDRE3 DDRE2 DDRE1 DDRE0
0
0
0
0
0
0
0
Port A Input Pullup Enable ^Read: _PTAPUE7
Register (PTAPUE) Write:
See page 153. _Reset:
0
PTAPUE6
0
PTAPUE5
0
PTAPUE4
0
PTAPUE3
0
PTAPUE2
0
PTAPUE1
0
PTAPUE0
0
Port C Input Pullup Enable ^Read:
0
Register (PTCPUE) Write:
See page 157. _Reset:
0
PTCPUE6 PTCPUE5 PTCPUE4 PTCPUE3 PTCPUE2 PTCPUE1 PTCPUE0
0
0
0
0
0
0
0
Port D Input Pullup Enable ^Read: _PTDPUE7
Register (PTDPUE) Write:
See page 159. _Reset:
0
PTDPUE6
0
PTDPUE5
0
PTDPUE4
0
PTDPUE3
0
PTDPUE2
0
PTDPUE1
0
PTDPUE0
0
Port F Data Register Read:
(PTF) _Write:
See page 162.
Reset:
PTF7
PTF6
PTF5
PTF4 PTAF3
Unaffected by reset
PTF2
PTF1
PTF0
Port G Data Register Read:
(PTG) _Write:
See page 164.
Reset:
PTG7
PTG6
PTG5
PTG4
PTG3
Unaffected by reset
PTG2
PTG1
PTG0
Data Direction Register F Read:
(DDRF) _Write:
See page 162.
Reset:
DDRF7
0
DDRF6
0
DDRF5
0
DDRF4
0
DDRF3
0
DDRF2
0
DDRF1
0
DDRF0
0
Data Direction Register G Read:
(DDRG) _Write:
See page 164.
Reset:
DDRG7
0
DDRG6
0
DDRG5
0
DDRG4
0
DDRG3
0
DDRG2
0
DDRG1
0
DDRG0
0
= Unimplemented
Figure 13-1. I/O Port Register Summary (Sheet 2 of 2)
MC68HC08GZ32 Data Sheet, Rev. 3
148
Freescale Semiconductor