MC68HC05P9ACDW FREESCALE [Freescale Semiconductor, Inc], MC68HC05P9ACDW Datasheet - Page 69
MC68HC05P9ACDW
Manufacturer Part Number
MC68HC05P9ACDW
Description
HCMOS Microcontroller Unit
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC05P9ACDW.pdf
(158 pages)
- Current page: 69 of 158
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9-mc68hc05p9a
MOTOROLA
RESET
EXTERNAL INTERRUPT VECTOR FETCH
FROM OTHER
PORT A PINS
IRQ
SOFTWARE CONTROLLED OPTION
WRITE $0004
WRITE $0000
READ $0004
READ $0000
RESET
PORT A EXTERNAL INTERRUPT
Freescale Semiconductor, Inc.
For More Information On This Product,
MASK OPTION
DATA DIRECTION
Figure 31. Port A I/O Logic
PORT A DATA
REGISTER A
REGISTER
BIT DDRA7
BIT PA7
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Parallel I/O Ports
EDGE AND LEVEL
V
DD
D
C
R
ENABLED
DISABLED
Q
Q
V
DD
EDGE ONLY
(FROM CCR)
I BIT
V
DD
PAX
Parallel I/O Ports
INTERRUPT
EXTERNAL
REQUEST
Port A
69
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