MC68HC908GR8CD Freescale Semiconductor, MC68HC908GR8CD Datasheet - Page 144

• Manufacturer Part Number: MC68HC908GR8CD
• Description: 8-bit Microcontrollers - MCU 8 Bit 8MHz
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC908GR8CD

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: HC08
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 384 B
• Operating Supply Voltage: 3 V to 5 V
• Package / Case: SOIC-28
• Mounting Style: SMD/SMT
• Data Rom Size: 64 KB
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 21
• Program Memory Type: Flash

Input/Output Ports (I/O)
144
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)
(DDRC)
(DDRD)
(DDRB)
(DDRE)
(PTE)
Figure 16-1. I/O Port Register Summary (Continued)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
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Write:
Write:
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
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
DDRD5
DDRB5
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
DDRB2
DDRD2
2
0
0
0
0
0
0
0
0
0
0
0
Freescale Semiconductor
PTCPUE1 PTCPUE0
PTAPUE1
DDRC1
DDRD1
DDRB1
DDRE1
PTE1
1
0
0
0
0
0
0
0
PTAPUE0
DDRC0
DDRD0
DDRB0
DDRE0
Bit 0
PTE0
0
0
0
0
0
0
0