PCF8820 datasheet(40/60 Pages) PHILIPS

40 / 60 page

2000 Dec 07

Philips Semiconductors

Product speciﬁcation

× 101 Grey-scale/ECB colour dot matrix

LCD driver

PCF8820

10000000

control byte: Co = 1, RS = 0

00001001

HVGen command page: select

voltage multiplier factor 3

(S2 to S0 = 001, incremented to 3x)

10000000

control byte: Co = 1, RS = 0

00001010

HVGen command page: select

voltage multiplier factor 4

(S2 to S0 = 010)

10000000

control byte: Co = 1, RS = 0

00001011

HVGen command page: select

voltage multiplier factor 5

(S2 to S0 = 011, incremented to 5x)

01000000

control byte: Co = 0, RS = 1

11111111

data write column 0 (vertical

addressing): address X and Y are

initialized to 0 by default, so they

are not set here

00000011

data write: next write to subsequent

rows ﬁlling up column 0 with ‘00H’

73 to 89

00000000

no display change

data writes (17 bytes)

00110011

data write column 1 (vertical

addressing)

00000000

data write

92 to

108

00000000

no display change

data writes (17 bytes)

109

00111111

data write column 2 (vertical

addressing)

110

00000000

data write

111 to

127

00000000

no display change

data writes (17 bytes)

STEP

SERIAL BUS BYTE

LCD

OPERATION

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

MGT143

MGT144

MGT145

MGT146

PCF8820 Datasheet(PDF) 40 Page - NXP Semiconductors

PCF8820 Datasheet(HTML) 40 Page - NXP Semiconductors

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