s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 307
![no-image](/images/no-image-200.jpg)
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: 307 of 382
- Download datasheet (2Mb)
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
F
1. Select a subsystem clock as the LCD display clock, a 0.5 second interrupt, and 2 kHz buzzer enable:
2. Sample real-time clock processing method:
CLOCK
PROGRAMMING TIP — Using the Watch Timer
BITS
SMB
LD
LD
BITR
LD
LD
BITS
BTSTZ
RET
•
•
•
EMB
15
EA,#8H
PMG1,EA
P0.3
EA,#85H
WMOD,EA
IEW
IRQW
; P0.3
; 0.5 second check
; No, return
; Yes, 0.5 second interrupt generation
; Increment HOUR, MINUTE, SECOND
output mode
TIMERS and TIMER/COUNTERS
11-59
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