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參數(shù)資料
| 型號： | UPD16661AN |
| 廠商： | NEC Corp. |
| 英文描述： | 160-OUTPUT LCD COLUMN SEGMENT DRIVER WITH RAM |
| 中文描述： | 160輸出LCD列段驅動與RAM |
| 文件頁數(shù)： | 18/36頁 |
| 文件大?。?/td> | 187K |
| 代理商： | UPD16661AN |
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18
μ
PD16661A
10. SELF-DIAGNOSIS FUNCTION
This is a function to check whether or not there has been a delay in the operation timing of each column driver
caused by external noise, etc. The slave chip compares the L1 and L2 signals of the master chip with the L1 and
L2 signals generated internally, and if a mismatch is discovered, the slave chip sends a refresh signal to all the
column drivers. When the refresh signal is received, the internal reset is activated, and the timing is initialized. At
this time, the display turns OFF while /REFRH = L and during the four frame cycle.
The L1 and L2 signals are checked for mismatch at the rising edge of /FRM once every half frame.
Block configuration diagram (Slave side)
L1(Master)
L2 (Master)
L1 (Slave)
L2 (Slave)
/REFRH
Initialized
Mismatch
Initialized
Mismatch
/RESET
/REFRH
L1
L2
Internal reset
Internal L1 signal
Internal L2 signal
Self-diagnosis circuit
相關PDF資料 |
PDF描述 |
|---|---|
| UPD16661A | 160-OUTPUT LCD COLUMN SEGMENT DRIVER WITH RAM |
| UPD16675AN-051 | 1/34, 1/36 DUTY LCD CONTROLLER/DRIVER |
| UPD16675A | 1/34, 1/36 DUTY LCD CONTROLLER/DRIVER |
| UPD16675AN | 1/34, 1/36 DUTY LCD CONTROLLER/DRIVER |
| UPD16675AP | 1/34, 1/36 DUTY LCD CONTROLLER/DRIVER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UPD16661AN-051 | 制造商:NEC 制造商全稱:NEC 功能描述:160-OUTPUT LCD COLUMN SEGMENT DRIVER WITH RAM |
| UPD16661AN-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| UPD16662 | 制造商:NEC 制造商全稱:NEC 功能描述:240 OUTPUT LCD COLUMN SEGMENT DRIVER WITH BUILT-IN RAM |
| UPD16662N | 制造商:NEC 制造商全稱:NEC 功能描述:240 OUTPUT LCD COLUMN SEGMENT DRIVER WITH BUILT-IN RAM |
| UPD16662N-051 | 制造商:NEC 制造商全稱:NEC 功能描述:240 OUTPUT LCD COLUMN SEGMENT DRIVER WITH BUILT-IN RAM |
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