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參數(shù)資料
| 型號(hào)： | UPD16664N-001 |
| 廠商： | NEC Corp. |
| 英文描述： | 144/160/184/208-OUTPUT LCD COLUMN SEGMENT DRIVER WITH RAM |
| 中文描述： | 144/160/184/208-OUTPUT液晶柱段驅(qū)動(dòng)與RAM |
| 文件頁(yè)數(shù)： | 29/52頁(yè) |
| 文件大?。?/td> | 347K |
| 代理商： | UPD16664N-001 |
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Data Sheet S13780EJ1V0DS00
29
μ
PD16664
16. SELF-DIAGNOSIS FUNCTION
This function checks whether the timing of each column driver is different from that of the others due to external
noise. A slave chip compares internally generated L1 and L2 with L1 and L2 of the master chip. If a discrepancy is
found, a refresh signal is transmitted to all column drivers. On reception of the refresh signal, internal reset is
effected, and timing is initialized. At this time, the display is turned OFF while /REFRH = L for 4 frame cycles.
Discrepancy between L1 and L2 is monitored at the rising edge of /FRM once in 1/2 frame.
L1(master)
L2(master)
L1(slave)
L2 (slave)
/REFRH
Discrepancy
Initialization
Initialization
Discrepancy
Block Configuration (slave side)
/RESET
/REFRH
L1
L2
Self-diagnosis circuit
Internal L1 signal
Internal L2 signal
Internal reset
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相關(guān)代理商/技術(shù)參數(shù) |
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| UPD16664N-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
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| UPD16667 | 制造商:NEC 制造商全稱:NEC 功能描述:160-OUTPUT LCD ROW DRIVER |
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