PT6520 PTC [Princeton Technology Corp], PT6520 Datasheet - Page 7

• Manufacturer Part Number: PT6520
• Description: LCD Driver IC
• Manufacturer: PTC [Princeton Technology Corp]

LCD Driver IC
PIN DESCRIPTION
Note:
1. This is an example of PT6520 family pin assignment. The modified pin names are
PT6520 V1.6
given below.
V1, V2, V3, V4, V5
COM31 ~COM16
COM0 ~ COM15
SEG0 ~ SEG60
Product Name
DB0 ~ DB7
Pin Name
RW/WR
PT6520
OSC1
OSC2
E/RD
VDD
RES
VSS
M/S
FR
A0
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 write 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)
Power supplies for driving the LCD, VDD>V1>V2>V3>V4>V5
OSC1
74
OSC2
75
- 7 -
COM0 ~ COM15
96 ~ 100, 1~ 11
Pin/Pad Number
Function
M/S
93
URL: http://www.princeton.com.tw
V4
94
Fax: [phone]
Tel: [phone]
February, 2006
PT6520
V1
95