PCF8531 Datasheet, PDF (38/44 Pages) NXP Semiconductors – 34 x 128 pixel matrix driver

NXP Semiconductors
PCF8531
34 x 128 pixel matrix driver
Table 17.
Step
23
Programming example for PCF8531 …continued
Serial bus byte
Display
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
10100000
24
01000000
25
00011111
26
00000101
Operation
HV-gen command page; set
V_LCD = 7.71 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
mgs405
data write
27
00000111
mgs406
data write
28
00000000
mgs407
data write
29
00011111
mgs407
data write
30
00000100
mgs409
data write
31
00011111
32
0 1 1 1 1 0 SA0 0
PCF8531_4
Product data sheet
Rev. 04 — 13 June 2008
mgs410
data write; last data and stop
transmission
mgs411
repeated start; slave address;
R/W = 0
mgs411
© NXP B.V. 2008. All rights reserved.
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