PT6522

V1.6

3

August 2010

ORDERING INFORMATION

Valid Part Number

Package Type

Top Code

PT6522-Q

64 pins, QFP

PT6522-Q

PT6522LQ

64 pins, LQFP

PT6522LQ

PIN CONFIGURATION

PIN DESCRIPTION

Pin Name

Description

Pin No.

SG1 to SG53

Segment output pins

1~23, 25~53

OSC

Oscillator connection

55

VSS, VDD

Power supply

59, 56

/INH

Display off control input

/INH=low (VSS)=Display off (SG1 to SG53, COM1, COM2=low)

/INH=high (VDD)=Display on

Note that serial data transfers are allowed when display output is turned off using this

pin.

57

VLCD

LCD bias voltage setting

58

CE, CLK, DI

Serial data transfer inputs

60, 61, 62

COM1, COM2

Common output pins (For static (1/1) drive only COM1 is used, COM2 must be left

open)

64, 63

NC

No connection

24