PT6314-001L PTC [Princeton Technology Corp], PT6314-001L Datasheet - Page 5

• Manufacturer Part Number: PT6314-001L
• Description: Dot Character VFD Controller/Driver IC
• Manufacturer: PTC [Princeton Technology Corp]

Dot Character VFD Controller/Driver IC
Note: Refer to Duty Ratio Setting Section
PT6314 V1.3
GR1 to GR24
TESTOUT
SG1 to SG80
DB0 to DB7
Pin Name
RL1,RL2
LATCH
IFSEL
SLK O
SI/SO
VSS1
MCU
/CLR
SDO
/CS
I/O
I/O
I/O
O
O
O
O
O
O
-
I
I
I
I
Serial Input/Output Pin
Under the Serial Data Transfer Mode, this pin functions as an I/O
Pin.
Under the Parallel Data Transfer Mode, this pin may be connected
to either “H” or “L”
Parallel Data Input/Output Pins
Under the Parallel Data Transfer Mode, these pins are used as I/O
Pin.
Under the 4-bit Transfer Mode, DB4 to DB7 are used.
I/F Select Pin
This pin is used to select the I/F mode: Serial or Parallel Transfer
0: Serial Data Transfer
Interface Select Pin
This pin is used to select the interface mode: i80 or M68.
0: i80 CPU Mode
Chip Select Pin
When this pin is set to “L” the PT6314 is active.
Segment Output Select Pin
This pins are used to set SG1 to SG80.
Extension Grid Driver Clear Signal Output Pin
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.
Extension Grid Driver Latch Enable Signal Output Pin
Extension Grid Driver Serial Data Output Pin
Extension Grid Driver Shift Clock Output Pin
Rising Edge: Active
Test Pin for IC Testing only.
This pin should be “open”.
Logic Ground Pin
Grid Signal Output Pins
Segment Signal Output Pins
1: M68 CPU Mode
- 5 -
Description
1: Parallel Data Transfer
URL: http://www.princeton.com.tw
Fax: [phone]
Tel: [phone]
March, 2006
PT6314
143-120
Pin No.
see (1)
27, 28
16-23
15
24
25
26
29
31
32
33
34
30