PCF8531_11 Datasheet, PDF (44/51 Pages) NXP Semiconductors – 34 x 128 pixel matrix driver Single-chip LCD controller and driver

NXP Semiconductors
Table 17. Programming example for PCF8531 …continued
Step
Serial bus byte
Display
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
33
10000000
PCF8531
34 x 128 pixel matrix driver
Operation
control byte; Co = 1; RS = 0
34
00000001
35
10000000
36
00001001
37
10000000
38
00000001
39
10000000
40
00001101
41
10000000
mgs411
H[1:0] independent
command; select function
and RAM command page
H[1:0] = 00
control byte; Co = 1; RS = 0
function and RAM command
page; select display setting
command page H[1:0] = 01
mgs411
control byte; Co = 1; RS = 0
H[1:0] independent
command; select function
and RAM command page
H[1:0] = 00
control byte; Co = 1; RS = 0
display control; set inverse
video mode (D = 1; E = 1
and IM = 0)
mgs412
control byte; Co = 1; RS = 0
42
10000000
43
01000000
mgs412
set X address of RAM; set
address to ‘0000000’
mgs412
control byte; Co = 0; RS = 1
44
00000000
mgs412
data write
PCF8531
Product data sheet
mgs414
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 16 May 2011
© NXP B.V. 2011. All rights reserved.
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