參數(shù)資料
型號(hào): UPD7225GC-AB6
廠商: NEC Corp.
英文描述: PROGRAMMABLE LCD CONTROLLER/DRIVER
中文描述: 可編程LCD控制器/驅(qū)動(dòng)
文件頁數(shù): 18/52頁
文件大?。?/td> 289K
代理商: UPD7225GC-AB6
Data Sheet S14308EJ6V0DS00
18
μ
PD7225
3.
FRAME FREQUENCY AND BLINKING FREQUENCY SETTING
3.1 Frame Frequency Setting
The frame frequency is set according to M1, M0 (number of time-divisions setting), and F1, F0 (frequency division
ratio) as indicated in the figure below.
Figure 3-1. Frame Frequency Setting
Static
Divide- by-2 time
division
Divide- by-3 time
division
Divide- by-4 time
division
M1, M0
F1,F0
0
1
1
1
1
0
0
0
0
0
f
CL
2
7
f
CL
2
7
×
2
f
CL
2
7
×
3
f
CL
2
7
×
4
0
1
f
CL
2
8
f
CL
2
8
×
2
f
CL
2
8
×
3
f
CL
2
8
×
4
1
0
f
CL
2
9
f
CL
2
9
×
2
f
CL
2
9
×
3
f
CL
2
9
×
4
1
1
f
CL
2
11
f
CL
2
11
×
2
f
CL
2
11
×
3
f
CL
2
11
×
4
Remark
f
CL
= Clock oscillation frequency
3.2 Blinking Frequency Setting
The blinking frequency can be set in two settings by K0 in the BLINKING ON command.
Figure 3-2. Blinking Frequency Setting
K0
Blinking frequency
0
f
CL
2
17
1
f
CL
2
16
Remark
f
CL
= Clock oscillation frequency
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