Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Dot Character VFD Controller/Driver IC
PT6314
BLOCK DIAGRAM
OSC1 OSC2 CLK
VDD1 VDD2 VSS1
VSS2
SDO SLK /CLR LATCH
TESTOUT
TEST
24
Oscillation
Circuit
24 Bits
Shift Register
Address
Counter
Timing
Generator
7
7
24
IFSEL
/CS
7
8
8
Instruction
Register
Instruction
Decoder
GR1
GR2
GR3
GR4
GR5
GR6
GR7
GR8
GR9
GR10
GR11
GR12
RS/STB
R/W(/WR)
E(/RD)/SCK
Display Data
RAM (DDRAM)
80x8 Bits
7
8
SI/SO
DB0
DB1
DB2
DB3
DB4
DB5
I/O
Buffer
8
8
Cursor Blink
Control Circuit
8
Data
Register
8
7
Grid Signal
Driver
Character
Generator
Character
Generator
DB7
RAM (CGRAM)
8x5x8 Bits
ROM (CGROM)
248x5x8 Bits
/RESET
Reset Circuit
5
5
MPU
DS0
DS1
DLS
RL1
GR22
GR23
GR24
Parallel to Serial
Data Converter
80
80 Bits
Shift Register
80 Bits
Latch
80
Segment Signal Driver
SG1 SG2 SG3 SG4 SG5 SG6 SG7 SG8
SG79
SG80
PT6314 V1.3
- 2 -
March, 2006
PTC [ PRINCETON TECHNOLOGY CORP ]
