PCF8813 View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'PCF8813' PDF : 72 Pages View PDF
Philips Semiconductors
(67 + 1) × 102 pixels matrix LCD driver
Product speciï¬cation
PCF8813
SERIAL BUS BYTE
STEP
D/C DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
14
100000100
DISPLAY
OPERATION
data write
15
100011111
MGS410
data write
16
000001101
17
010000000
18
100000000
MGS411
display control: set inverse
video mode (D = 1 and
E = 1)
MGS412
set X address of RAM: set
address to ‘0000000’
MGS412
data write
Table 26 Programming example for PCF8813 with I2C -bus
SERIAL BUS BYTE
STEP
D/C DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
I2C-bus start
2
− 0 1 1 1 1 SA1 SA0 0
3
−00000000
4
−00100001
5
−00010001
6
−10010000
7
−00100000
MGS414
DISPLAY
OPERATION
slave address for write
control byte with cleared
CO bit and D/C set to
logic 0
function set: PD = 0, V = 0;
select extended instruction
set (H = 1)
set PRS to higher
programming range
(PRS = 1)
set VPR: VPR* =
(a + 132* × b) = 8.596 V
(required voltage is
dependent on liquid crystal
operating environment)
function set: PD = 0; V = 0;
select normal instruction set
(H = 0)
2004 Mar 05
57
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