參數(shù)資料
型號： UPD7228
廠商： NEC Corp.
英文描述： 1/8, 1/16 DUTY LCD CONTROLLER/DRIVER
中文描述： 1 / 8，1 / 16稅LCD控制器/驅(qū)動
文件頁數(shù)： 20/64頁
文件大?。?/td> 314K
代理商： UPD7228
Data Sheet S10299EJ4V0DS00
20
μ
PD16434
Table 2–2. LCD Dual Mode Row Driver Function Selection
M
2
, M
1
, M
0
Note 1
Number of time
divisions
R0/R8 to R7/R15
R15/C42 to R8/C49
000
8
R0 to R7
C42 to C49
001
010
011
100
16
R8 to R15
Note 2
101
110
R0 to R7
Note 3
111
R15 to R8
Notes 1.
M
2
, M
1
, M
0
is code specified by SMM command.
2.
Some other chip handles R0 to R7 outputs.
3.
Some other chip handles R8 to R15 outputs.
M
2
, M
1
, M
0
= 111 is for single chip configuration. In this case, R15/C42 to
R8/C49 are used as row signal outputs, and all 16 row signals are output
from this chip.
These drivers perform switching of the analog level in correspondence to the contents of the display data read out
from the data memory and the timing signals supplied from the LCD timing control circuit, according to the select level,
non-select level, and phase supplied from the LCD voltage control circuit, and generates and outputs row and column
driver signals in order to directly drive the LCD.
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