Princeton Technology Corp.
VFD Driver/Controller IC
DESCRIPTION
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
Preliminary
PT6351
PT6351 is a Vacuum Fluorescent Display Driver IC utilizing CMOS Technology. 28 High Voltage Ports, 17 All
Purpose I/O Ports, 9 LED ports, Auto Scan Operation, 4-line Serial Signal (with chip selector), 8 DGT x 8 SG
to 16 DGT x 12 SG are all incorporated into a single chip to build a highly reliable peripheral device for a single
chip microcomputer. It is housed in 44-pin LQFP Package and is functionally
compatible with MN12510F.
FEATURES
• CMOS Technology
• 28 High Voltage Output Ports: 8 to 16 Digit Ports
8 to 16 Segment Ports
• 17 All-Purpose I/O Ports
• 9 LED Drive Capable Ports
• Display Modes: 8 DGT x 8 SG to 16 DGT x 12 SG or up to 12 DGT x 16 SG
• 32 Bytes Display Data
• Key Scan Input: 5x12 (max.)
• Display ON/OFF Control
• Auto Scan Operation
• Power ON Reset Circuit
• Supply Voltage: Digital Section: VDD = 4.5 to 5.5 V
High Voltage: Vpp = VDD - 35 V
• Available in 44-pin, LQFP Package
• Functionally Compatible with MN12510F
APPLICATION
• Peripheral Device for Micro-Computer
PT6351 pre 1.1
1
Updated February 2000
Princeton Technology Corp.
VFD Driver/Controller IC
APPLICATION CIRCUIT
56K
56K
56K
-V E E
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
Preliminary
PT6351
330
330
56K
1 N 4 1 48
35
36
34
38
39
42
37
41
40
44
43
330
1
1 N 4 1 48
33
-V E E
56K
330
2
3
1 N 4 1 48
1 N 4 1 48
32
31 30
56K
4
56K
5
29
56K
6
7
8
9
10
11
12
13
P T 6 35 1
17
18
19
15
20
22
28
27
26 25
24
23
G 1 2 G 11 G 1 0 G 9 G 8 G 7 G 6 G 5
G4 G3 G2 G1
1 2 -G R ID x 1 2 -S E G M E N T V F D
14
-V E E
16
21
MCU
VDD
30P
4M H z
30P
S 1 S 2 S 3 S 4 S 5 S 6 S 7 S 8 S 9 S 1 0 S 11 S 1 2
PT6351 pre 1.1
3
Updated February 2000