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參數(shù)資料
| 型號： | PCF8820U |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | 67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
| 中文描述： | LIQUID CRYSTAL DISPLAY DRIVER, UUC235 |
| 封裝： | BUMP, DIE-235 |
| 文件頁數(shù)： | 37/60頁 |
| 文件大?。?/td> | 316K |
| 代理商： | PCF8820U |
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2000 Dec 07
37
Philips Semiconductors
Product specification
67
×
101 Grey-scale/ECB colour dot matrix
LCD driver
PCF8820
13 APPLICATION INFORMATION
13.1
Programming example for the PCF8820
It should be noted that only a part of the LCD is shown in the LCD column of Table 9.
Table 9
Programming example
STEP
SERIAL BUS BYTE
LCD
OPERATION
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
2
3
0
1
0
1
0
0
1
0
0
1
0
0
1
0
0
SA1 SA0
0
0
0
0
1
start slave address, R/W = 0
control byte: Co = 1, RS = 0
H
2
to H
0
independent command:
select function and RAM command
page (H
2
to H
0
= 000)
control byte: Co = 1, RS = 0
function and RAM command page:
select display setting command
page (H
2
to H
0
= 001)
control byte: Co = 1, RS = 0
display setting command page: set
normal display mode (D = 1, E = 0)
control byte: Co = 1, RS = 0
display setting command page: set
bias system =
1
/
9
(BS
2
to BS
0
= 010)
control byte: Co = 1, RS = 0
display setting command page:
select first 8 rows for partial screen
mode (DP
2
to DP
0
= 000)
control byte: Co = 1, RS = 0
H
2
to H
0
independent command:
select function and RAM command
page (H
2
to H
0
= 000)
control byte: Co = 1, RS = 0
function and RAM command page:
select Power-down mode (PD = 1)
and vertical address mode (V = 1)
control byte: Co = 1, RS = 0
function and RAM command page:
select special feature command
page (H
2
to H
0
= 100)
control byte: Co = 1, RS = 0
special feature command page:
enable display (DOF = 0) and
enable direct drive (DM = 1) to
pre-charge the charge pump
control byte: Co = 1, RS = 0
0
0
4
5
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
6
7
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
8
9
1
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
10
11
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
12
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
15
1
0
0
0
0
0
0
1
0
0
0
1
0
1
0
0
16
17
1
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
18
19
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
20
1
0
0
0
0
0
0
0
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