PT6314_10 Datasheet, PDF (7/42 Pages) Princeton Technology Corp – Dot Character VFD Controller/Driver IC

PT6314
Pin Name I/O
Description
RL1,RL2
I
Segment Output Select Pin
This pins are used to set SG1 to SG80.
/CLR
Extension Grid Driver Clear Signal Output Pin
O
Active: Low
The Grid Data stored in extension driver latch are outputted when this pin is set to “HIGH”. If
this pin is set to ”LOW”, the extension driver outputs LOW.
LATCH
O Extension Grid Driver Latch Enable Signal Output Pin
SDO
O Extension Grid Driver Serial Data Output Pin
SLK O
Extension Grid Driver Shift Clock Output Pin
Rising Edge: Active
TESTOUT
O
Test Pin for IC Testing only.
This pin should be “open”.
VSS1
- Logic Ground Pin
GR1 to GR24 O Grid Signal Output Pins
SG1 to SG80 O Segment Signal Output Pins
Notes:
1. *=N is the Display Line Select Flag in “Function Set” Command
2. Refer to Duty Ratio Setting Section
Pin No.
27, 28
29
30
31
32
33
34
143-120
see (2)
V1.5
7
October 2009