PCF8820U Philips Semiconductors, PCF8820U Datasheet - Page 40

• Manufacturer Part Number: PCF8820U
• Description: 67 x 101 Grey-scale/ECB colour dot matrix LCD driver
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2000 Dec 07
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73 to 89
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92 to
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111 to
127
STEP
67 101 Grey-scale/ECB colour dot matrix
LCD driver
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
1
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
SERIAL BUS BYTE
0
0
0
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
0
1
0
1
0
1
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
1
0
1
1
0
1
0
0
1
0
0
0
1
0
0
0
1
0
1
1
0
1
0
0
1
0
0
40
no display change
no display change
no display change
LCD
MGT144
MGT145
MGT145
MGT146
MGT146
MGT143
control byte: Co = 1, RS = 0
HVGen command page: select
voltage multiplier factor 3
(S
control byte: Co = 1, RS = 0
HVGen command page: select
voltage multiplier factor 4
(S
control byte: Co = 1, RS = 0
HVGen command page: select
voltage multiplier factor 5
(S
control byte: Co = 0, RS = 1
data write column 0 (vertical
addressing): address X and Y are
initialized to 0 by default, so they
are not set here
data write: next write to subsequent
rows filling up column 0 with ‘00H’
data writes (17 bytes)
data write column 1 (vertical
addressing)
data write
data writes (17 bytes)
data write column 2 (vertical
addressing)
data write
data writes (17 bytes)
2
2
2
to S
to S
to S
0
0
0
= 001, incremented to 3x)
= 010)
= 011, incremented to 5x)
OPERATION
Product specification
PCF8820