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68HC05PL4B Datasheet(PDF) 19 Page - Freescale Semiconductor, Inc

Part # 68HC05PL4B
Description  Industry standard 8-bit M68HC05 CPU core
PDF  98 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

68HC05PL4B Datasheet(HTML) 19 Page - Freescale Semiconductor, Inc

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April 30, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05PL4
MEMORY
REV 2.0
2-3
ADDR
REGISTER
ACCESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
$0000
Port A Data
R
PA6
PA5
PA4
PA3
PA2
PA1
PA0
PORTA
W
$0001
Port B Data
R
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PORTB
W
$0002
Port C Data
R
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PORTC
W
$0003
RESERVED
R
W
$0004
RESERVED
R
W
$0005
Port A Data Direction
R
DDRA6 DDRA5 DDRA4 DDRA3 DDRA2 DDRA1 DDRA0
DDRA
W
$0006
Port B Data Direction
R
DDRB7 DDRB6 DDRB5 DDRB4 DDRB3 DDRB2 DDRB1 DDRB0
DDRB
W
$0007
Port C Data Direction
R
DDRC7 DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
DDRC
W
$0008
RESERVED
R
W
$0009
RESERVED
R
W
$000A
Pull-up Enable
R
PUL7
PUL6
PUL5
PUL4
PUL3
PUL2
PUL1
PUL0
PUER
W
$000B
Keyboard Int. Enable
R
KIE3
KIE2
KIE1
KIE0
KIER
W
$000C
Keyboard Int. Flag
R
KIF3
KIF2
KIF1
KIF0
KIFR
W
$000D
Timer 8 Ctrl/Status
R
T8IF
0
T8IE
T8EN
PS2
PS1
PS0
T8CSR
W
T8IFR
$000E
Timer 8 Counter
R
T8CNT7 T8CNT6 T8CNT5 T8CNT4 T8CNT3 T8CNT2 T8CNT1 T8CNT0
T8CNTR
W
$000F
DAC Ctrl and Data
R
DACEN
DA5
DA4
DA3
DA2
DA1
DA0
DACDR
W
Figure 2-3. I/O Registers $0000-$000F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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