MC68HC705C4ACB MOTOROLA [Motorola, Inc], MC68HC705C4ACB Datasheet - Page 57

• Manufacturer Part Number: MC68HC705C4ACB
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC705C4A • MC68HSC705C4A — Rev. 3.0
MOTOROLA
RESET
EXTERNAL INTERRUPT VECTOR FETCH
FROM OTHER
PORT B PINS
IRQ
READ $0005
WRITE $0005
WRITE $0001
READ $0001
FROM OPTION
RESET
REGISTER
IRQ
DATA DIRECTION
Figure 4-3. Port B I/O Logic
PORT B DATA
REGISTER B
REGISTER
BIT DDRB7
BIT PB7
Interrupts
FROM MOR1
V
DD
PBPU7
D
C
R
Q
Q
FROM CCR
V
I BIT
DD
PB7
Interrupt Sources
INTERRUPT
EXTERNAL
REQUEST
Technical Data
Interrupts
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