Pin Configuration - Sharp HT-CN410DVH Service Manual

IC251, VFD Driver (TP6311)

Pin Configuration:

Block Diagram:
DIN
DOUT
CLK
STB
VDD
R
OSC
SW1
SW2
SW3
SW4
LED1
LED2
LED3
LED4
LED5
52 51
SW1 1
2
SW2
3
SW3
SW4 4
5
DOUT
6
DIN
NC 7
CLK
8
STB 9
10
K1
11
K2
K3
12
K4
13
14 15 16
Control
Serial
Data
Interface
Display Memory
(20 bits X 16 words)
Timing Generator
OSC
General
Key Matrix Memory
Input
Register
LED
DRIVER
K1 K2 K3 K4
50 49 48 47 46 45 44 43
17 18 19 20 21 22 23 24
Dimming Circuit
VDD GND VEE
63
42 41 40
GR6
39
GR7
38
GR8
37
SG20/GR9
36
35 SG19/GR10
VEE
34
33 VDD
32
SG18/GR11
31
SG17/GR12
30
SG16/GR13
29
SG15/GR14
28
SG14/GR15
27
SG13/GR16
25 26
Segment
Driver/
Grid
Driver/
Key Scan/
Output
Grid
Driver
HT-CN410DVH
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
SG11/KS11
SG12/KS12
SG13/GR16
SG14/GR15
SG15/GR14
SG16/GR13
SG17/GR12
SG18/GR11
SG19/GR10
SG20/GR9
GR1
GR2
GR3
GR4
GR5
GR6
GR7
GR8