 English |
|
|
|
|
|
|
|
| PCF8578 Datasheet, PDF (34/46 Pages) NXP Semiconductors – LCD row/column driver for dot matrix graphic displays | |||
| |||
| ◁ |
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx
xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
VDD
C
R
C
R
C
(4 2 3)R
C
R
C
R
VLCD
VDD
VDD
32
V2
rows
V3
8
V4 PCF8578
(ROW MODE)
unused columns
V5
SA0
VSS VDD
VLCD
VSS
OSC Rext(OSC)
VSS SDA SCL CLK SYNC
VSS
LCD DISPLAY
1:32 multiplex rate
32 à 40 à k dots (k ⤠16)
(20480 dots max.)
40
columns
subaddress 0
40
columns
subaddress 1
40
columns subaddress kâ1
VDD
A0
VLCD
#1
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
VSS
VSS
VDD VDD
A0
VLCD
#2
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
VSS
VSS
VDD VDD
A0
VLCD
#k
A1
V3
PCF8579
A2
V4
A3
VSS SYNC CLK SCL SDA SA0
VSS
VSS
SCL
SDA
msa845
Fig 25. Typical LCD driver system with 1:32 multiplex rate
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese