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MC68HC908GR4MP Datasheet(PDF) 144 Page - Freescale Semiconductor, Inc

Part # MC68HC908GR4MP
Description  M68HC08 Microcontrollers
PDF  286 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC68HC908GR4MP Datasheet(HTML) 144 Page - Freescale Semiconductor, Inc

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Input/Output Ports (I/O)
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
144
Freescale Semiconductor
$0005
Data Direction Register B
(DDRB)
Read:
0
0
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
Write:
Reset:
0000000
0
$0006
Data Direction Register C
(DDRC)
Read:
000000
DDRC1
DDRC0
Write:
Reset:
0000000
0
$0007
Data Direction Register D
(DDRD)
Read:
0
DDRD6
DDRD5
DDRD4
DDRD3
DDRD2
DDRD1
DDRD0
Write:
Reset:
0000000
0
$0008
Port E Data Register
(PTE)
Read:
000000
PTE1
PTE0
Write:
Reset:
Unaffected by reset
$000C
Data Direction Register E
(DDRE)
Read:
000000
DDRE1
DDRE0
Write:
Reset:
0000000
0
$000D
Port A Input Pullup Enable
Register (PTAPUE)
Read:
0000
PTAPUE3
PTAPUE2
PTAPUE1
PTAPUE0
Write:
Reset:
0000000
0
$000E
Port C Input Pullup Enable
Register (PTCPUE)
Read:
000000
PTCPUE1
PTCPUE0
Write:
Reset:
0000000
0
$000F
Port D Input Pullup Enable
Register (PTDPUE)
Read:
0
PTDPUE6
PTDPUE5
PTDPUE4
PTDPUE3
PTDPUE2
PTDPUE1
PTDPUE0
Write:
Reset:
0000000
0
Addr.
Register Name
Bit 7
654321
Bit 0
= Unimplemented
Figure 16-1. I/O Port Register Summary (Continued)



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