MC68HC908AP16CFA MOTOROLA [Motorola, Inc], MC68HC908AP16CFA Datasheet - Page 381

• Manufacturer Part Number: MC68HC908AP16CFA
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC908AP Family — Rev. 2.5
MOTOROLA
IRQ2
IRQ1
V
DD
DECODER
NOTE:
VECTOR
V
FETCH
RESET
DECODER
DD
INTERNAL
PULLUP
DEVICE
ACK1
VECTOR
FETCH
RESET
ACK2
INTERNAL
PULLUP
DEVICE
PUC0ENB
The interrupt mask (I) in the condition code register (CCR) masks all
interrupt requests, including external interrupt requests.
Freescale Semiconductor, Inc.
MODE1
V
For More Information On This Product,
DD
MODE2
V
Figure 19-2. IRQ1 Block Diagram
Figure 19-3. IRQ2 Block Diagram
DD
D
CK
IRQ1
D
CLR
CK
FF
IRQ2
CLR
FF
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Q
Q
IMASK1
IMASK2
SYNCHRO-
VOLTAGE
DETECT
SYNCHRO-
NIZER
HIGH
NIZER
IRQ1F
IRQ2F
External Interrupt (IRQ)
Functional Description
TO CPU FOR
BIL/BIH
INSTRUCTIONS
IRQ1
INTERRUPT
REQUEST
TO MODE
SELECT
LOGIC
IRQ2
INTERRUPT
REQUEST
Data Sheet
381