參數(shù)資料
型號: MC68HC05C9ACB
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, PDIP42
封裝: SHRINK, PLASTIC, DIP-42
文件頁數(shù): 86/160頁
文件大?。?/td> 4128K
代理商: MC68HC05C9ACB
Memory
I/O Registers
MC68HC05C9A Rev. 4.0
General Release Specification
Memory
NON-DISCLOSURE
AGREEMENT
REQUIRED
ADDR
REGISTER
ACCESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
$0000
PORTA
READ:
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
WRITE:
$0001
PORTB
READ:
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
WRITE:
$0002
PORTC
READ:
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
WRITE
$0003
PORTD
READ:
PD7
PD5
PD4
PD3
PD2
PD1
PD0
WRITE:
$0004
DDRA
READ:
DDRA7
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
WRITE:
$0005
DDRB
READ:
DDRB7
DDRB6
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
WRITE:
$0006
DDRC
READ:
DDRC7
DDRC6
DDRC5
DDRC4
DDRC3
DDRC2
DDRC1
DDRC0
WRITE:
$0007
DDRD
READ:
DDRD7
DDRD5
DDRD4
DDRD3
DDRD2
DDRD1
DDRD0
WRITE:
$0008
UNUSED
READ:
WRITE:
$0009
UNUSED
READ:
WRITE:
$000A
SPCR
READ:
SPIE
SPE
DWOM
MSTR
CPOL
CPHA
SPR1
SPR0
WRITE:
$000B
SPSR
READ:
SPIF
WCOL
MODF
WRITE:
$000C
SPDR
READ:
SPD7
SPD6
SPD5
SPD4
SPD3
SPD2
SPD1
SPD0
WRITE:
$000D
BAUD
READ:
SCP1
SCP0
SCR2
SCR1
SCR0
WRITE:
$000E
SCCR1
READ:
R8
T8
M
WAKE
WRITE:
$000F
SCCR2
READ:
TIE
TCIE
RIE
ILIE
TE
RE
RWU
SBK
WRITE:
Figure 2-3. I/O Register Map
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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