PCF8531U NXP [NXP Semiconductors], PCF8531U Datasheet - Page 38

• Manufacturer Part Number: PCF8531U
• Description: 34 x 128 pixel matrix driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 17.
PCF8531_4
Product data sheet
Step
23
24
25
26
27
28
29
30
31
32
Programming example for PCF8531
Serial bus byte
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
0
1
1
0
0
1
0
0
0
1
0
1
1
0
0
1
1
1
0
1
1
1
0
…continued
Rev. 04 — 13 June 2008
0
0
1
0
1
0
1
0
1
SA0
0
0
1
1
1
0
1
0
1
0
Display
mgs405
mgs406
mgs407
mgs407
mgs409
mgs410
mgs411
mgs411
34 x 128 pixel matrix driver
Operation
HV-gen command page; set
V
VOP[6:0] = 0100000
control byte; Co = 0; RS = 1
data write; Y and X are
initialized to 0 by default, so
they are not set here
data write
data write
data write
data write
data write
data write; last data and stop
transmission
repeated start; slave address;
R/W = 0
LCD
= 7.71 V;
PCF8531
© NXP B.V. 2008. All rights reserved.
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