mc68hc908gr8a Freescale Semiconductor, Inc, mc68hc908gr8a Datasheet - Page 116

• Manufacturer Part Number: mc68hc908gr8a
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Input/Output (I/O) Ports
116
Addr.
$000C
$000D
$000E
$000F
$0005
$0006
$0007
$0008
Port A Input Pullup Enable
Port C Input Pullup Enable
Port D Input Pullup Enable
Data Direction Register C
Data Direction Register D
Data Direction Register B
Data Direction Register E
Register Name
Port E Data Register
Register (PTAPUE)
Register (PTCPUE)
Register (PTDPUE)
See page 120.
See page 122.
See page 125.
See page 127.
See page 128.
See page 119.
See page 124.
See page 127.
(DDRC)
(DDRD)
(DDRB)
(DDRE)
(PTE)
Figure 12-1. I/O Port Register Summary (Continued)
MC68HC908GR8A • MC68HC908GR4A Data Sheet, Rev. 5
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Bit 7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
= Unimplemented
PTDPUE6 PTDPUE5 PTDPUE4 PTDPUE3 PTDPUE2 PTDPUE1 PTDPUE0
DDRD6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
DDRB5
DDRD5
5
0
0
0
0
0
0
0
0
0
0
0
0
DDRB4
DDRD4
Unaffected by reset
4
0
0
0
0
0
0
0
0
0
0
0
0
PTAPUE3
DDRB3
DDRD3
3
0
0
0
0
0
0
0
0
0
0
0
PTAPUE2
DDRD2
DDRB2
2
0
0
0
0
0
0
0
0
0
0
0
Freescale Semiconductor
PTAPUE1
PTCPUE1 PTCPUE0
DDRC1
DDRD1
DDRB1
DDRE1
PTE1
1
0
0
0
0
0
0
0
PTAPUE0
DDRC0
DDRD0
DDRE0
DDRB0
PTE0
Bit 0
0
0
0
0
0
0
0