PT6520_10 Datasheet, PDF (4/21 Pages) Princeton Technology Corp – LCD Driver IC

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