PT6520-H 查看數據表（PDF） - Princeton Technology

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PT6520-H

LCD Driver IC

Princeton Technology 

PT6520

PIN DESCRIPTION

Pin Name

DB0 ~ DB7

A0

RES

OSC1

E/RD

RW/WR

OSC2

FR

SEG0 ~ SEG60

COM0 ~ COM15

COM31 ~COM16

M/S

VDD

VSS

Function

Data input

Selection display data or instructions.

High: Display data. Low: Instruction.

Reset the system and selects the interface type for a 68 port/80 port MPU.

High: 68 port MPU interface.

Low: 80 port MPU interface.

(edge trigger)

Oscillation input pin

Read/Write Enable signal when a 68 port MPU is connected.

(Active-Low read enable signal when an 80 port MPU is connected)

Read/Write select signal when a 68 port MPU is connected.

High: read select. Low: write select.

(Active-Low writes enable input when an 80 port MPU is connected. Rising edge

sensing)

Oscillation output pin

LCD Frame (AC-conversion) signal input/output

Segment output for driving the LCD

Common output for driving the LCD

Common output for driving the LCD

Master/Slave select signal

5V power supply

0V power supply (GND level)

V1, V2, V3, V4, V5 Power supplies for driving the LCD, VDD>V1>V2>V3>V4>V5

Note: This is an example of PT6520 family pin assignment. The modified pin names are given below.

Product Name

PT6520

Pin/Pad Number

74

75

96 ~ 100, 1~ 11

93

94

95

OSC1

OSC2

COM0 ~ COM15

M/S

V4

V1

V1.9

4

July 2010

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