參數(shù)資料
型號: PCF2105
廠商: NXP Semiconductors N.V.
英文描述: LCD controller/driver
中文描述: LCD控制器/驅(qū)動器
文件頁數(shù): 15/48頁
文件大?。?/td> 289K
代理商: PCF2105
1998 Jul 30
15
Philips Semiconductors
Product specification
LCD controller/driver
PCF2105
8.14
Programming of the MUX rate 1 : 16
With the MUX rate 1 : 16 the PCF2105 can be used in the
following ways:
To drive a 1-line display of 24 characters
To drive a 2-line display of 12 characters, resulting in
better contrast. The internal data flow of the chip is
optimized for this purpose.
To program the MUX rate 1 : 16, bits M and N of the
‘function set’ instruction must be set to logic 0
(see Table 3). Figures 10, 11 and 12 show the DDRAM
addresses of the display characters. The second row of
each figure corresponds to either the right half of a 1-line
display or to the second line of a 2-line display. Wrap
around of data during display shift or when writing data is
non-standard.
Fig.10 DDRAM-to-display mapping; no shift.
handbook, full pagewidth
00
01
02
03
04
05
06
07
08
09
0A
0B
1
2
3
4
5
6
7
8
9
10
11
12
MLB899
display position
DDRAM address
0C
0D
0E
0F
10
11
12
13
14
15
16
17
13
14
15
16
17
18
19
20
21
22
23
24
display position
DDRAM address
Fig.11 DDRAM-to-display mapping; right shift.
handbook, full pagewidth
4F
00
01
02
03
04
05
06
07
08
09
0A
1
2
3
4
5
6
7
8
9
10
11
12
MLB900
display position
DDRAM address
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
13
14
15
16
17
18
19
20
21
22
23
24
display position
DDRAM address
Fig.12 DDRAM-to-display mapping; left shift.
handbook, full pagewidth
01
02
03
04
05
06
07
08
09
0A
0B
0C
1
2
3
4
5
6
7
8
9
10
11
12
MLB901
display position
DDRAM address
0D
0E
0F
10
11
12
13
14
15
16
17
18
13
14
15
16
17
18
19
20
21
22
23
24
display position
DDRAM address
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