參數(shù)資料
型號： MC68HC08GP8ACFB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 49/126頁
文件大?。?/td> 4243K
代理商： MC68HC08GP8ACFB
Memory
Input/Output (I/O) Section
MC68HC08GP8A
Data Sheet
MOTOROLA
Memory
29
Addr.
Register Name
Bit 7
654321
Bit 0
$0000
Port A Data Register
(PTA)
Read:
PTA7
PTA6
PTA5
PTA4
PTA3
PTA2
PTA1
PTA0
Write:
Reset:
Unaffected by reset
$0001
Port B Data Register
(PTB)
Read:
PTB7
PTB6
PTB5
PTB4
PTB3
PTB2
PTB1
PTB0
Write:
Reset:
Unaffected by reset
$0002
Port C Data Register
(PTC)
Read:
0
PTC6
PTC5
PTC4
PTC3
PTC2
PTC1
PTC0
Write:
Reset:
Unaffected by reset
$0003
Port D Data Register
(PTD)
Read:
PTD7
PTD6
PTD5
PTD4
PTD3
PTD2
PTD1
PTD0
Write:
Reset:
Unaffected by reset
$0004
Data Direction Register A
(DDRA)
Read:
DDRA7
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
Write:
Reset:
00000000
$0005
Data Direction Register B
(DDRB)
Read:
DDRB7
DDRB6
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
Write:
Reset:
00000000
$0006
Data Direction Register C
(DDRC)
Read:
0
DDRC6
DDRC5
DDRC4
DDRC3
DDRC2
DDRC1
DDRC0
Write:
Reset:
00000000
$0007
Data Direction Register D
(DDRD)
Read:
DDRD7
DDRD6
DDRD5
DDRD4
DDRD3
DDRD2
DDRD1
DDRD0
Write:
Reset:
00000000
$0008
Port E Data Register
(PTE)
Read:
000000
PTE1
PTE0
Write:
Reset:
Unaffected by reset
$0009
↓
$000B
Unimplemented
Read:
Write:
Reset:
00000000
$000C
Data Direction Register E
(DDRE)
Read:
000000
DDRE1
DDRE0
Write:
Reset:
00000000
= Unimplemented
R = Reserved
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 7)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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