pcf2104 NXP Semiconductors, pcf2104 Datasheet - Page 17

• Manufacturer Part Number: pcf2104
• Description: Pcf2104x Lcd Controller/driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
8.14
The PCF2104x can be used in the following ways:
1997 Dec 16
handbook, full pagewidth
handbook, full pagewidth
handbook, full pagewidth
LCD controller/driver
1-line mode to drive a 2-line display
2
better contrast. The internal data flow of the chip is
optimized for this purpose.
12 characters with MUX rate 1 : 16, resulting in
Programming of MUX 1 : 16 displays with
PCF2104x
display position
DDRAM address
display position
DDRAM address
display position
DDRAM address
display position
DDRAM address
display position
DDRAM address
display position
DDRAM address
Fig.13 DDRAM-to-display mapping; right shift (PCF2104x).
Fig.14 DDRAM-to-display mapping; left shift (PCF2104x).
Fig.12 DDRAM-to-display mapping; no shift (PCF2104x).
0C
0B
0D
00
13
4F
13
01
13
1
1
1
0D
0C
01
14
00
14
02
14
0E
2
2
2
0E
0D
0F
02
15
01
15
03
15
3
3
3
0F
0E
03
16
02
16
04
16
10
4
4
4
17
04
17
10
03
17
0F
05
17
11
5
5
5
Using the ‘Function set’ instruction, M and N are set to 0, 0
(respectively). Figures 12, 13 and 14 show the DDRAM
addresses of the display characters. The second row of
each table 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.
05
18
11
04
18
10
06
18
12
6
6
6
06
19
12
05
19
11
07
19
13
7
7
7
07
20
13
06
20
12
08
20
14
8
8
8
08
21
14
07
21
13
09
21
15
9
9
9
0A
10
09
22
15
10
08
22
14
10
22
16
0A
0B
11
23
16
11
09
23
15
11
23
17
MLB899
MLB900
MLB901
0C
12
0B
24
17
12
0A
24
16
12
24
18
Product specification
PCF2104x