PCF8820 datasheet(38/60 Pages) PHILIPS

38 / 60 page

2000 Dec 07

Philips Semiconductors

Product speciﬁcation

× 101 Grey-scale/ECB colour dot matrix

LCD driver

PCF8820

00000001

H2 to H0 independent command:

select function and RAM command

page (H2 to H0 = 000)

10000000

control byte: Co = 1, RS = 0

00001010

function and RAM command page:

select HVGen command page

(H2 to H0 = 010)

10000000

control byte: Co = 1, RS = 0

00001000

HVGen command page: select

voltage multiplier factor 2

(S2 to S0 = 000)

10000000

control byte: Co = 1, RS = 0

00010010

HVGen command page: select

temperature coefﬁcient 2

(TC2 to TC0 = 010)

10000000

control byte: Co = 1, RS = 0

00000100

HVGen command page: select

LOW VLCD programming range

(PRS = 0), HVGen off (HVE = 0)

10000000

control byte: Co = 1, RS = 0

11011011

HVGen command page: set

VLCD to 8.595 V

(VOP6 to VOP0 = 1011011)

10000000

control byte: Co = 1, RS = 0

00000001

H2 to H0 independent command:

select function and RAM command

page (H2 to H0 = 000)

10000000

control byte: Co = 1, RS = 0

00001011

function and RAM command page:

select grey-scale/colour command

page (H2 to H0 = 011)

10000000

control byte: Co = 1, RS = 0

01000000

grey-scale/colour command page:

select grey-scale register 0

(GR1 to GR0 = 00)

10000000

control byte: Co = 1, RS = 0

10000000

grey-scale/colour command page:

set grey-scale to 0

(GS5 to GS0 = 000000)

10000000

control byte: Co = 1, RS = 0

01000001

grey-scale/colour command page:

select grey-scale register 1

(GR1 to GR0 = 01)

10000000

control byte: Co = 1, RS = 0

STEP

SERIAL BUS BYTE

LCD

OPERATION

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

PCF8820 Datasheet(PDF) 38 Page - NXP Semiconductors

PCF8820 Datasheet(HTML) 38 Page - NXP Semiconductors

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