mc68hc908ld64 Freescale Semiconductor, Inc, mc68hc908ld64 Datasheet - Page 317

• Manufacturer Part Number: mc68hc908ld64
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908LD64
Freescale Semiconductor
$001E
Addr.
IRQ Status and Control
IRQ
Register Name
DECODER
NOTE:
VECTOR
RESET
FETCH
ACK
V
—
I
PULL
DEVICE
NTERNAL
DD
(INTSCR)
Rev. 3.0
-
UP
Register
The interrupt mask (I) in the condition code register (CCR) masks all
interrupt requests, including external interrupt requests. (See
Exception
Reset:
Read:
Write:
Figure 20-1. IRQ Module Block Diagram
Figure 20-2. IRQ I/O Register Summary
V
MODE
DD
D
CK
Bit 7
CLR
IRQ
0
0
FF
Control.)
Q
External Interrupt (IRQ)
= Unimplemented
6
0
0
5
0
0
IMASK
SYNCHRO-
VOLTAGE
DETECT
NIZER
4
0
0
HIGH
IRQF
3
0
ACK
IRQF
2
0
0
External Interrupt (IRQ)
Functional Description
IMASK
1
0
9.6
TO CPU FOR
BIL/BIH
INSTRUCTIONS
IRQ
INTERRUPT
REQUEST
TO MODE
SELECT
LOGIC
Data Sheet
MODE
Bit 0
0
317