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
IFSEL
/CS
RS/STB
R/W(/WR)
E(/RD)/SCK
SI/SO
DB0
DB1
DB2
DB3
DB4
DB5
DB7
/RESET
MPU
DS0
DS1
DLS
RL1
Oscillation
Circuit
Address
Counter
7
7
Timing
Generator
7
Display Data
RAM (DDRAM)
80x8 Bits
8
24
24 Bits
Shift Register
24
GR1
GR2
GR3
GR4
GR5
GR6
GR7
GR8
GR9
GR10
GR11
GR12
8
Instruction
Register
8
Instruction
Decoder
7
I/O
Buffer
8
Data
Register
8
8
7
8
Cursor Blink
Control Circuit
Grid Signal
Driver
Reset Circuit
Character
Generator
RAM (CGRAM)
8x5x8 Bits
5
Character
Generator
ROM (CGROM)
248x5x8 Bits
5
Parallel to Serial
Data Converter
80 Bits
Latch
80
Segment Signal Driver
80
80 Bits
Shift Register
GR22
GR23
GR24
SG1 SG2 SG3 SG4 SG5 SG6 SG7 SG8
SG79
SG80
PT6314 V1.3
-2-
March, 2006
PTC [ PRINCETON TECHNOLOGY CORP ]
