s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 224
s3c72m9
Manufacturer Part Number
s3c72m9
Description
The S3c72m5/s3c72m7/s3c72m9 Single-chip Cmos Microcontroller Has Been Designed For High Performance Using Samsung S
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.S3C72M9.pdf
(382 pages)
- Current page: 224 of 382
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INTERRUPTS
F
When the key interrupt is used, the selected key interrupt source pin must be set to input:
1. When K0–K7 are selected (eight pins):
2. When K0–K3 are selected (four pins):
7-12
PROGRAMMING TIP — Using INTK as a Key Input Interrupt
BITS
SMB
LD
LD
LD
LD
LD
LD
LD
BITS
SMB
LD
LD
LD
LD
LD
LD
EMB
15
A,#3H
IMODK,A
EA,#00H
PMG1,EA
PMG3,EA
EA,#41H
PUMOD1,EA
EMB
15
A,#1H
IMODK,A
EA,#00H
PMG1,EA
EA,#01H
PUMOD1,EA
; (IMODK)
; P0
; P6
; Enable P0 and P6 pull-up resistors
; (IMODK)
; P0
; Enable P0 pull-up resistors
input mode
input mode
input mode
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
#3H, K0–K7 falling edge select
#1H, K0–K3 falling edge select
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