PCF8578USLASH2 datasheet(4/44 Pages) PHILIPS

Part #	PCF8578U/2

Description	LCD row/column driver for dot matrix graphic displays

PDF	44 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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4 / 44 page

1998 Sep 08

Philips Semiconductors

Product speciﬁcation

LCD row/column driver for dot matrix

graphic displays

PCF8578

BLOCK DIAGRAM

Fig.1 Block diagram.

(1) Operates at LCD voltage levels, all other blocks operate at logic levels.

The pin numbers given in parenthesis refer to the LQFP64 package.

VSS

C39 - C32

R31/C31 - R8/C8

R7 - R0

17 - 56

(29 to 35, 37, 38 to 46

48 to 62, 63, 64, 1 to 6)

MSA842

VDD

PCF8578

LCD

9 (20)

10 (21)

11 (22)

12 (23)

13 (24)

14 (25)

6 (12)

OUTPUT

CONTROLLER

ROW/COLUMN

DRIVERS

(1)

DISPLAY

MODE

CONTROLLER

Y DECODER

AND SENSING

AMPLIFIERS

32 x 40-BIT

DISPLAY RAM

X DECODER

DISPLAY

DECODER

RAM DATA POINTER

SUBADDRESS

COUNTER

TIMING

GENERATOR

I C-BUS

CONTROLLER

INPUT

FILTERS

COMMAND

DECODER

POWER-ON

RESET

OSCILLATOR

TEST

2 (8)

1 (7)

SCL

SDA

n.c.

SA0

15, 16

(14, 15, 17 to 19

26 to 28 36, 47)

7 (13)

(16) 8

(11) 5

(10) 4

(9) 3

OSC

CLK

SYNC

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