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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)： | 21/60頁 |
| 文件大?。?/td> | 316K |
| 代理商： | PCF8820U |
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2000 Dec 07
21
Philips Semiconductors
Product specification
67
×
101 Grey-scale/ECB colour dot matrix
LCD driver
PCF8820
8.1
Description of the bit functions
Table 3
Instruction set bit functions
BIT
RESET
STATE
VALUE
FUNCTION
D
7
to D
0
TR
7
to TR
0
H
2
to H
0
data to be written to DDRAM
read-out value of sensor temperature
command page numbers
function and RAM
display setting
high voltage generator setting
grey-scale/colour
special features
data order when written to DDRAM
normal (see Fig.6)
swapped: DB7 <-> DB0, DB6 <-> DB1, etc.
operation mode
operating mode
Power-down mode; see Section 8.1.1
address mode
horizontal address mode: data is written to DDRAM (see Fig.10)
vertical address mode: data is written to DDRAM (see Fig.9)
Y-address of the DDRAM points to the rows; the address range is from
0 to 16 (10H); see Section 8.1.3
X-address of the DDRAM points to the columns; the address range is from
0 to 100 (64H)
display mode
display blank: using the value in grey-scale register 0
all display segments on: using the value in grey-scale register 3
normal mode: using the values of the four grey-scale registers appropriate to the
RAM data
inverse video: using the values in all four grey-scale registers as in normal mode
but with their values swapped (GS
0
and GS
3
values transposed, GS
1
and GS
2
values transposed)
horizontal address space mirroring; see Figs 7 and 8; see Table 10
disabled: data to DDRAM is written from left (X = 0) to right (X = 100)
enabled: data to DDRAM is written from right (X = 0) to left (X = 100)
vertical address space mirroring; see Table 10
disabled: normal display
enabled: data is immediately mirrored vertically on the LCD. The status of bit MY
takes effect when data is read from the DDRAM and when generating column
signals.
000
000
001
010
011
100
DO
0
0
1
PD
0
1
1
V
0
0
1
Y
4
to Y
0
0
X
6
to X
0
0
D, E
00
00
01
10
11
MX
0
0
1
MY
0
0
1
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