參數(shù)資料
型號(hào): KS57C2504
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
元件分類(lèi): 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁(yè)數(shù): 50/94頁(yè)
文件大?。?/td> 763K
代理商: KS57C2504
PRODUCT SPECIFICATION
S3C7254
4–50
fx = MAIN SYSTEM CLOCK (4.19 MHz)
fxt = SUBSYSTEM CLOCK (32.768 KHz)
fw = WATCH TIMER FREQUENCY
WMOD.7
WMOD.6
WMOD.5
WMOD.4
WMOD.3
WMOD.2
WMOD.1
WMOD.0
8
P0.3 LATCH
PM0.3
FREQUENCY
DIVIDING
CIRCUIT
SELECTOR
CIRCUIT
IRQW
fxt
fx/128
fw
32.768 kHz
BUZ
MUX
fw/2
7
fw/2 (2 Hz)
ENABLE / DISABLE
CLOCK
SELECTOR
LCD
f
fw/16 (2 kHz)
fw/8 (4 kHz)
fw/4 (8 kHz)
fw/2 (16 kHz)
Figure 32. Watch Timer Circuit Diagram
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