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参数资料
| 型号： | ML9204-XXGA |
| 厂商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分类： | 显示控制器 |
| 英文描述： | 24 X 35 DOTS FLUORESCENT DSPL CTRL, PQFP128 |
| 封装： | 14 X 20 MM, 0.50 MM PITCH, PLASTIC, QFP-128 |
| 文件页数： | 30/42页 |
| 文件大小： | 317K |
| 代理商： | ML9204-XXGA |
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PEDL9204-02
OKI Semiconductor
ML9204-xx
35/41
1-2.
Counterclockwise rotation
When signal A and B input as shown below, the phase detection circuit outputs Down signal after the chattering
absorption period. At this time, the output INT also goes to High level. The INT stays High level until the
keyscan stop mode is selected.
DOWN (internal)
B
A
INT
chattering absorption time
The Input and Output Timing in the Case of Counterclockwise Rotation
2.
UP/DOWN COUNTER
When the UP/DOWN COUNTER is input UP, it counts up and when it is input DOWN, it counts down.
But if the UP/DOWN COUNTER is incremented beyond “111”, it stays “111”.
B
Q1, Q2, Q3
A
100
010
110
001
101
011
111
Counter Overflow
3.
Direction latch
When the Direction latch is input DOWN the output R1 goes “1”. But if the UP pulse is input and the count
value changes to a positive value, the output R1 goes to “0”.
100
Q1, Q2, Q3
100
B
A
010
000
010
R1
Direction Latch
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