參數(shù)資料
型號: MC68HC05P1AP
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 45/124頁
文件大?。?/td> 3724K
代理商: MC68HC05P1AP
Memory
Input/Output (I/O) and Control Registers
MC68HC05P1A Rev. 3.0
General Release Specification
Memory
NON-DISCLOSURE
AGREEMENT
REQUIRED
Addr.
Register Name
Bit 7
654321
Bit 0
$0000
Port A Data (PORTA)
Read:
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Write:
$0001
Port B Data (PORTB)
Read:
PB7
PB6
PB5
00000
Write:
$0002
Port C Data (PORTC)
Read:
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Write:
$0003
Port D Data (PORTD)
Read:
PD7
0
PD5
10000
Write:
$0004
Port A Data Direction (DDRA)
Read:
DDRA7 DDRA6 DDRA5 DDRA4 DDRA3 DDRA2 DDRA1 DDRA0
Write:
$0005
Port B Data Direction (DDRB)
Read:
DDRB7 DDRB6 DDRB5
11111
Write:
UUUUU
$0006
Port C Data Direction (DDRC)
Read:
DDRC7 DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
Write:
$0007
Port D Data Direction (DDRD)
Read:
0
DDRD5
00000
Write:
$0008
Unimplemented
Read:
Write:
$0009
Unimplemented
Read:
Write:
$000A
Unimplemented
Read:
Write:
$000B
Unimplemented
Read:
Write:
$000C
Unimplemented
Read:
Write:
= Unimplemented
Figure 2-2. I/O and Control Registers $0000–$000F
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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