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PCF8531U/2 データシート(PDF) 27 Page - NXP Semiconductors

部品番号 PCF8531U/2
部品情報  34 x 128 pixel matrix driver
PDF  44 Pages
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8531U/2 データシート(HTML) 27 Page - NXP Semiconductors

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2000 Feb 11
27
Philips Semiconductors
Product specification
34
× 128 pixel matrix driver
PCF8531
14 APPLICATION INFORMATION
Table 9
Programming example for PCF8531
STEP
SERIAL BUS BYTE
DISPLAY
OPERATION
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
1
0
1
1
1
1
0
SA0
0
start; slave address;
R/W=0
2
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
3
0
0
0
0
0
0
0
1
H[1:0] independent
command; select function
and RAM command page
(H[1:0] = 00)
4
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
5
0
0
1
0
0
0
1
0
function and RAM command
page PD = 0 and V = 1
6
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
7
0
0
0
0
1
0
0
1
function and RAM command
page select display setting
command page H[1:0] = 01
8
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
9
0
0
0
0
1
1
0
0
display setting command
page; set normal mode
(D = 1; IM = 0 and E = 0)
10
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
11
0
0
0
0
0
1
0
1
select Mux rate 1 : 34
12
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
13
0
0
0
0
0
0
0
1
H[2:0] independent
command; select function
and RAM command page
H[1:0] = 00
14
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
15
0
0
0
0
1
0
1
0
function and RAM command
page; select HV-gen
command page H[1:0] = 10
16
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
17
0
0
0
0
1
0
1
1
HV-gen command page;
select voltage multiplication
factor 5 S[1:0] = 11
18
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0
19
0
0
1
0
0
0
1
0
HV-gen command page;
select temperature
coefficient 2 TC[2:0] = 010
20
1
0
0
0
0
0
0
0
control byte; Co = 1; RS = 0



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