參數(shù)資料
型號: 68HC705PL4B
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁數(shù): 19/98頁
文件大?。?/td> 1019K
代理商: 68HC705PL4B
April 30, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05PL4
REV 2.0
MEMORY
MOTOROLA
2-3
ADDR
REGISTER
Port A Data
PORTA
Port B Data
PORTB
Port C Data
PORTC
ACCESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
$0000
R
PA6
PA5
PA4
PA3
PA2
PA1
PA0
W
$0001
R
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
W
$0002
R
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
W
$0003
RESERVED
R
W
R
W
$0004
RESERVED
$0005
Port A Data Direction
DDRA
Port B Data Direction
DDRB
Port C Data Direction
DDRC
R
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
W
$0006
R
DDRB7
DDRB6
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
W
$0007
R
DDRC7
DDRC6
DDRC5
DDRC4
DDRC3
DDRC2
DDRC1
DDRC0
W
$0008
RESERVED
R
W
R
W
$0009
RESERVED
$000A
Pull-up Enable
PUER
Keyboard Int. Enable
KIER
Keyboard Int. Flag
KIFR
Timer 8 Ctrl/Status
T8CSR
Timer 8 Counter
T8CNTR
DAC Ctrl and Data
DACDR
R
PUL7
PUL6
PUL5
PUL4
PUL3
PUL2
PUL1
PUL0
W
$000B
R
KIE3
KIE2
KIE1
KIE0
W
$000C
R
KIF3
KIF2
KIF1
KIF0
W
$000D
R
T8IF
0
T8IE
T8EN
PS2
PS1
PS0
W
T8IFR
$000E
R
T8CNT7 T8CNT6 T8CNT5 T8CNT4 T8CNT3 T8CNT2 T8CNT1 T8CNT0
W
$000F
R
DACEN
DA5
DA4
DA3
DA2
DA1
DA0
W
Figure 2-3. I/O Registers $0000-$000F
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