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URL: http://www.princeton.com.tw
VFD Driver/Controller IC
PT6312
BLOCK DIAGRAM
S G 1 /K S 1
S G 2 /K S 2
S G 3 /K S 3
S G 4 /K S 4
S G 5 /K S 5
S G 6 /K S 6
SG7
SG8
SG9
SG10
S G 11
S G 1 2 /G R11
S W1
S W2
S W3
S W4
S G 1 3 /G R1 0
G e n e r al
In p u t
R e gi st er
Ke y Ma tr i x
M e mo r y
S G 1 4 /G R9
S G 1 5 /G R8
S G 1 6 /G R7
Co n tr o l
DI N
DO U T
CL K
S TB
V DD
R
OSC
OSC
Ti mi n g G en e r a to r
S e r i al
D at a
In t er fa ce
Di sp l a y Me m o ry
(1 6 b i ts x 11 Wo r d s)
S e g me n t D r ive r /
G r i d D r iv er /
K e y S c an O u tp u t
L E D1
L E D2
L E D3
L E D4
LED
Dr i ve r
G r id D ri ve r
Di m mi n g Ci rc ui t
G R1
G R2
G R3
G R4
G R5
G R6
K1 K2 K3 K4
V DD
G ND
VEE
PT6312 V2.6
-2-
December, 2005
PTC [ PRINCETON TECHNOLOGY CORP ]
