PT6301 Datasheet, PDF (3/4 Pages) Princeton Technology Corp – 5 x 7 Dot Character x 20-Digit x 2-Line Display Controller/Driver with Character RAM

5 x 7 Dot Character x 20-Digit x 2-Line Display
Controller/Driver with Character RAM
APPLICATION CIRCUIT
5 x 7-dot matrix fluorescent display tube
Tel: [phone]
Fax:[phone]
URL:http://www.princeton.com.tw
PT6301
ANODE
ANODE
ANODE GRID
(SEGMENT) (SEGMENT) (SEGMENT) (DIGIT)
VDD
VDD
Output
Ports
MCU
2
35
35
20
VDD
ADA SEGB1-B35 SEGA1-A35 COM1-20 VDISP
ADB
R2
CS
CP
*1
DA
PT6301
RESET
ZD
DO
VDISP
GND
OSC
*2
VDD
L-GND D-GND
C1
R1
Notes:
*1. The V_DISP voltage depends on the fluorescent display tube used. Adjust the value of the constants
R2 and ZD to the V_DISP voltage used.
*2. The value of R1 & C1 depend on PT6301 IC chip Supply voltage of V_DD (R1=8.2KΩ, C1=39pF,
when V_DD=5V; R1=6.2KΩ, C1=39pF, when V_DD=3.3V).
PT6301 V1.0
-3-
September, 2006