mc68hc05pl4b Freescale Semiconductor, Inc, mc68hc05pl4b Datasheet - Page 19

• Manufacturer Part Number: mc68hc05pl4b
• Description: Low-cost Single-chip Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

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