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參數(shù)資料
| 型號： | HCD66108BP |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Driver IC; Package/Case:16-DIP; Mounting Type:Through Hole |
| 中文描述： | （內(nèi)存提供165通道的LCD液晶點陣圖形驅(qū)動程序） |
| 文件頁數(shù)： | 51/60頁 |
| 文件大小： | 337K |
| 代理商： | HCD66108BP |
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HD66108
1004
Precautionary Notes When Using the HD66108T
(1) Install a 0.1-μF bypass capacitor as close to the LSI as possible to reduce power supply impedance
(V
CC
–GND and V
CC
–V
EE
).
(2) Do not leave input pins open since the HD66108T is a CMOS LSI; refer to “Pin Functions” on how to
deal with each pin.
(3) When using the internal oscillation clock, attach an oscillation resistor as close to the LSI as possible
to reduce coupling capacitance.
(4) Make sure to input the reset signal at power-on so that internal units operate as specified.
(5) Maintain the LCD driving power at V
CC
during standby state so that DC is not applied to an LCD, in
which Xn pins are fixed at V4 or V5 level.
Programming Restrictions
(1) After busy time is terminated, an X or Y address is not incremented until 0.5-clock time has passed. If
an X or Y address is read during this time period, non-updated data will be read. (The addresses are
incremented even in this case.) In addition, the address increment direction should not be changed
during this time since it will cause malfunctions.
(2) Although the maximum output rows is 33 when 33-row-output mode from the right side is specified,
any multiplexing duty ratio can be specified. Therefore, row output data sufficient to fill the specified
duty must be input in the Y direction. Figure 35 shows how to set row data in the case of 1/34
multiplexing duty ratio. In this case, 0s must be set in Y33 since data for the 34th row (Y33) are not
output.
(3) Do not set the C select register’s CLN bits to 0 for the M signal of C-type waveform.
X132
X133
0
0
0
0
X131
X164
X163
0
1
0
0
All 0’s
Row data area
Display data area
Y0
Y1
Y2
Y3
Y30
Y31
Y32
Y33
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
Figure 35 How to Set Row Data for 33-Row Output from the Right Side
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