MC68HC908GT16_07 Datasheet, PDF (124/292 Pages) Freescale Semiconductor, Inc – Microcontrollers

Input/Output (I/O) Ports (PORTS)
Addr.
$0006
$0007
$0008
$000C
$000D
$000E
$000F
Register Name
Bit 7
Data Direction Register C ^Read:
0
(DDRC) Write:
See page 130. _Reset:
0
6
5
4
3
2
1
Bit 0
DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
0
0
0
0
0
0
0
Data Direction Register D ^Read:
(DDRD) Write:
See page 133. _Reset:
Port E Data Register ^Read:
(PTE) Write:
See page 135. _Reset:
Data Direction Register E ^Read:
(DDRE) Write:
See page 136. _Reset:
DDRD7
0
0
0
0
DDRD6
0
0
0
0
DDRD5
0
0
0
0
DDRD4 DDRD3
0
0
PTE4
PTE3
Unaffected by reset
DDRE4 DDRE3
0
0
DDRD2
0
PTE2
DDRE2
0
DDRD1
0
PTE1
DDRE1
0
DDRD0
0
PTE0
DDRE0
0
Port A Input Pullup Enable ^Read: _PTAPUE7
Register (PTAPUE) Write:
See page 127. _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 131. _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 134. _Reset:
0
PTDPUE6
0
PTDPUE5
0
PTDPUE4
0
PTDPUE3
0
PTDPUE2
0
PTDPUE1
0
PTDPUE0
0
= Unimplemented
Figure 12-1. I/O Port Register Summary (Continued)
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
124
Freescale Semiconductor