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HT16523 Datasheet(PDF) 3 Page - Holtek Semiconductor Inc

Part # HT16523
Description  5x7 Dot Character VFD Controller & Driver
PDF  23 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT16523 Datasheet(HTML) 3 Page - Holtek Semiconductor Inc

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Rev. 1.00
3
January 18, 2012
HT16523
Pin Assignment
HT16523
64 LQFP-A
1
2
3
4
5
6
7
8
9
10
11
12
13
202122232425 262728
60
61
62
63
64
29303132
52
53
54
55
56
57
58
59
14
15
16
43
44
45
46
47
48
36
37
38
39
40
41
42
33
34
35
17 1819
49
50
51
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
VH
G16
G15
G14
G13
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
Pin Description
Pin Name
I/O
Description
Power Supply Pins
VDD
—
Positive power supply for logic circuits.
VH
—
Power supply for VFD driver circuits.
VSS
—
VSS - ground pin.
Microcontroller Interface Pins
CS
I
Chip select pin
When “Low”, the device is active.
SCK
I
Serial clock input
Shift clock input with data written on the SCK rising edge.
SI
I
Serial data input.
The serial data is first shifted from LSB.
RST
I
Initialize all the internal registers and commands.
All segments and digits are fixed at “Low” level.
TEST
I
When “Low” or open, the device is in normal mode.
When “High”, the device is in test mode.
Output Pins
S1~S35
O
High-voltage segment output pins.
G1~G16
O
High-voltage grid output pins.
AD1,AD2
O
High-voltage additional data segment output pins.
P1,P2
O
General port output.
Static operation output - can drive LEDs
Oscillator pin
OSCI
I
Oscillator input pin
Connected to an external resistor and capacitor to generate the oscillation
frequency.



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