mc68hc908jb16 Freescale Semiconductor, Inc, mc68hc908jb16 Datasheet - Page 283
mc68hc908jb16
Manufacturer Part Number
mc68hc908jb16
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908JB16.pdf
(332 pages)
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MC68HC908JB16
Freescale Semiconductor
$001C
$001E
Addr.
PTE4
IRQ
IRQPD
PTE4IE
I
PULLUP
DEVICE
NTERNAL
IRQ Status and Control Register
TO PTE4 PULLUP
ENABLE CIRCUITRY
IRQ Option Control Register
DECODER
V
VECTOR
RESET
FETCH
DD
ACK
Register Name
—
Rev. 1.1
Figure 15-1. IRQ Module Block Diagram
(IOCR)
(ISCR)
Figure 15-2. IRQ I/O Register Summary
Reset:
Reset:
Read:
Read:
Write:
Write:
External Interrupt (IRQ)
Bit 7
0
0
0
0
MODE
"1"
"1"
= Unimplemented
D
D
6
0
0
0
0
CK
CK
CLR
IRQ
CLR
FF
Q
Q
5
0
0
0
0
READ IOCR
PTE4IF
VOLTAGE
DETECT
HIGH
IMASK
4
0
0
0
0
SYNCHRO-
NIZER
IRQF
3
0
0
0
PTE4IF
ACK
External Interrupt (IRQ)
2
0
0
0
IRQF
PTE4IE
IMASK
Technical Data
1
0
0
TO MODE
SELECT
LOGIC
TO CPU FOR
BIL/BIH
INSTRUCTIONS
IRQ
INTERRUPT
REQUEST
IRQPD
MODE
Bit 0
0
0
283
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