參數資料
型號: KS7212
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: TIMING & SYNC. GENERATOR FOR B/W CCD
中文描述: 時序
文件頁數: 5/18頁
文件大?。?/td> 201K
代理商: KS7212
KS7212 TIMING & SYNC. GENERATOR FOR B/W CCD
OPERATING PRINCIPLES & METHOD
POWER ON RESET
KS7212 has two reset methods. The one is power on reset and the other is normal reset.
When user wants to use power on reset , which generates automatical reset signal that is needed to initialize the KS7212
internal system when power is on, user should be connect 1000pF capacitor at PWR ( pin 48 ) termial.
Power on reset system has internal 100Kohm pull up resister. So , user can control reset signal timing when user changes
value of capacitor , which is connected to PWR terminal.
When user wants to use normal reset , user should be remove capacitor from PWR terminal , and supplies reset signal to
PWR terminal.
When use u-Com system , reset signal can be supplied three times and times of 1 signal
should be larger than four times of CL clock.
48
48
840ns
1000pF
RESET
SIGNAL
Fig. 1 POWER ON RESET
Fig. 2 NORMAL RESET
2.4 ~
2.6 V
KS7212
KS7212
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