PCD8544 datasheet(14/32 Pages) PHILIPS

14 / 32 page

1999 Apr 12

Philips Semiconductors

Product speciﬁcation

× 84 pixels matrix LCD controller/driver

PCD8544

Table 1

Instruction set

Table 2

Explanations of symbols in Table 1

INSTRUCTION

D/C

COMMAND BYTE

DESCRIPTION

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

(H = 0 or 1)

NOP

00000000no operation

Function set

00100PD

power down control; entry

mode; extended instruction set

control (H)

Write data

writes data to display RAM

(H = 0)

Reserved

000001X

do not use

Display control

00001D

sets display conﬁguration

Reserved

0001

XXXXdo not use

Set Y address of

RAM

01000Y2

sets Y-address of RAM;

≤ Y ≤ 5

Set X address of

RAM

sets X-address part of RAM;

≤ X ≤ 83

(H = 1)

Reserved

00000001do not use

0000001X

do not use

Temperature

control

000001TC1

TC0

set Temperature Coefﬁcient

(TCx)

Reserved

00001

do not use

Bias system

00010BS2

BS1

BS0

set Bias System (BSx)

Reserved

XXXXXXdo not use

Set VOP

VOP6 VOP5 VOP4 VOP3 VOP2 VOP1 VOP0 write VOP to register

BIT

chip is active

chip is in Power-down mode

horizontal addressing

vertical addressing

use basic instruction set

use extended instruction set

D and E

display blank

normal mode

all display segments on

inverse video mode

TC1 and TC0

VLCD temperature coefﬁcient 0

VLCD temperature coefﬁcient 1

VLCD temperature coefﬁcient 2

VLCD temperature coefﬁcient 3

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