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GMS81604 View Datasheet(PDF) - Hyundai Micro Electronics

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GMS81604 Datasheet PDF : 79 Pages
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LG Semicon
GMS81604/08
fXIN
MAX. 13 fOSC
8 fOSC
INTERRUPT
ACTIVE
INSTRUCTION EXECUTION
(INTERRUPT HOLDING)
INTERRUPT
PROCESSING
Figure 31. INT Pin Interrupt Timing
INTERRUPT
ROUTINE
PMR4
MSB
T3S
LSB
T1S EC2S EC0S INT3S INT2S INT1S INT0S
ADDRESS: D0H
RESET VALUE: 00H
Relation with Timer/Counter Function
T3S
0: R47
1: T3O (TIMER/COUNTER 3 OUTPUT)
T1S
0: R46
1: T1O (TIMER/COUNTER 1 OUTPUT)
EC2S
0: R45
1: EC2 (EXTERNAL INPUT PIN FOR
TIMER/COUNTER 2
EC0S
0: R44
1: EC0 (EXTERNAL INPUT PIN FOR
TIMER/COUNTER 0
Relation with External Interrupt function
INT3S
0: R43
1: INT3 (EXTERNAL INTERRUPT 3)
INT2S
0: R42
1: INT2 (EXTERNAL INTERRUPT 2)
INT1S
0: R41
1: INT1 (EXTERNAL INTERRUPT 1)
INT0S
0: R40
1: INT0 (EXTERNAL INTERRUPT 0)
IEDS
MSB
LSB
IED3H IED3L IED2H IED2L IED1H IED1L IED0H IED0L
INT3
INT2
INT1
INT0
ADDRESS: F8H
RESET VALUE: 00H
Edge selection register
00: Reserved
01: Falling (1-to-0 transition)
10: Rising (0-to-1 transition)
11: Both (Rising & Falling)
Figure 32. PMR4 and IEDS Registers
39
 

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