參數(shù)資料
型號(hào): PCF8531
廠商: NXP Semiconductors N.V.
英文描述: 34×128 pixel matrix driver(34×128 像素矩陣驅(qū)動(dòng)器)
中文描述: 34 × 128像素矩陣驅(qū)動(dòng)器(34 × 128像素矩陣驅(qū)動(dòng)器)
文件頁數(shù): 27/44頁
文件大?。?/td> 212K
代理商: PCF8531
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
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
functionandRAMcommand
page PD = 0 and V = 1
control byte; Co = 1; RS = 0
functionandRAMcommand
page select display setting
command page H[1:0] = 01
control byte; Co = 1; RS = 0
display setting command
page; set normal mode
(D = 1; IM = 0 and E = 0)
control byte; Co = 1; RS = 0
select Mux rate 1 : 34
control byte; Co = 1; RS = 0
H[2:0] independent
command; select function
and RAM command page
H[1:0] = 00
control byte; Co = 1; RS = 0
functionandRAMcommand
page; select HV-gen
command page H[1:0] = 10
control byte; Co = 1; RS = 0
HV-gen command page;
select voltage multiplication
factor 5 S[1:0] = 11
control byte; Co = 1; RS = 0
HV-gen command page;
select temperature
coefficient 2 TC[2:0] = 010
control byte; Co = 1; RS = 0
2
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
5
1
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
6
7
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
8
9
1
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
10
11
12
13
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
1
14
15
1
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
16
17
1
0
0
0
0
0
0
0
0
1
0
0
0
1
0
1
18
19
1
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
20
1
0
0
0
0
0
0
0
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