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NJU3430 PDF даташит

Спецификация NJU3430 изготовлена ​​​​«JRC» и имеет функцию, называемую «16 characters 1 line / QFP64-G1».

Детали детали

Номер произв NJU3430
Описание 16 characters 1 line / QFP64-G1
Производители JRC
логотип JRC логотип 

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NJU3430 Даташит, Описание, Даташиты
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NJU3430
16-CHARACTER 1-LINE DOT MATRIX VFD CONTROLLER DRIVER
n GENERAL DESCRIPTION
The NJU3430 is a Dot Matrix VFD (Vacuum Fluorescent Display)
Controller Driver for 16-character 1-line with Icon display.
It contains character generator ROM/RAM, address counter, oscilla-
tion circuit, command register, Icon display RAM, high voltage drivers,
and serial interface circuit.
The display data or the command data is transmitted with the serial
interface circuits.
The character generator consists of 8,400 bits ROM and 35 x 8 bits
RAM. The CG RAM stores 8 kinds of character by 5 x 7dots maxi-
mum.
The 16-common and 37-segment (35 for character, 2 for icon) drivers
operated up to 45V drive the display of 16-character 1-line with 32-
Icon.
Furthermore, the NJU3430 incorporates one Output port which drives
the LED.
n PACKAGE OUTLINE
NJU3430FG1
n FEATURES
l 16-character 1-line Dot Matrix VFD Controller Driver
l Serial Interface with Microprocessor
l Display Data RAM
16 x 8 bits : 16-character 1-line Display
l Character Generator ROM
8,400 bits : 240 Characters for 5 x 7 Dots
l Character Generator RAM
35 x 8 bits : 8 Patterns (5 x 7 Dots)
l Icon Display RAM
16 x 2 bits : Maximum 32 Icon
l VFD Driving Voltage
| VDD-VFDP | 45V
Timing Signal
: 16
Segment Signal : 35 (Except for Icon Segment Signal)
l Output Port for LED : 1
l Display ON/OFF Function
l Digit Scan Function
l Display Duty (Contrast Control) : 8-step (8/16 to 15/16)
l Character / Icon Shift Function
l Display Mode (9 to 16 Digits)
l Oscillation Circuit on-chip (External Resistor and Capacitor Required)
l Operating Voltage
3.0V to 5.5V (Except VFD Driving Voltage)
l Package Outline
QFP 64
l C-MOS Technology
Jul. 2003
Ver. 3









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n PIN CONFIGURATION
NJU3430
V SS
O SC 1
O SC 2
R ST
CS
CLK
SI
RS
V DD
P1
M K2
M K1
S1
S2
S3
S4
48
49
NJU 3430
64
1
33
32
17
16
T1
S 35
S 34
S 33
S 32
S 31
S 30
S 29
S 28
S 27
S 26
S 25
S 24
S 23
S 22
S 21
n BLOCK DIAGRAM
RST
SI
CS
CLK
RS
RESET
8bits
Shift
Reg.
Instruction
Decoder
Line
Address
Counter
Timing
Gen.
OSC1
OSC2
VDD
VSS
VFDP
CR
OSC.
State
Reg.
Display
Control
Address
Selector
Read
Address
Counter
MK RAM
16x2bit
CG RAM
35x8bit
CG ROM
8,400bit
DD RAM
16x8bit
Icon
Driver
MK1MK2
Segment
Driver
Port
Driver
S1S35
P1
Timing
Driver
T1T16









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NJU3430 Даташит, Описание, Даташиты
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n TERMINAL DESCRIPTION
NJU3430
No. SYMBOL
57 VDD
49 V SS
48 VFDP
50 OSC1
51 OSC2
54 CLK
53 CS
55 SI
56 RS
52 RST
61 to 64,
1 to 31
32 to 47
60
59
58
S1 to S35
T1 to T16
MK 1
MK 2
P1
I/O
- Power Source
FUNCTION
: VDD=+3.0 to 5.5V
- GND
: VSS=0V
-
VFD Driving Power Sourse
VDD-20V to V DD-45V
I CR Oscillation Terminal
External R and C connect to these terminals.
O (Target fOSC=360kHz)
Serial Clock Input Terminal
I The serial data input synchronizing the rise edge of this
terminal.
Chip Select Terminal
I When the CS terminal is "H" the serial data input is not
available.
I
Serial Data Input Terminal
The data input is MSB first.
Register Selection Signal Input Terminal
I RS="0" : Instruction Register
RS="1" : Data Register
Reset Terminal RST="L" : Reset
-Each Address
: (00)H
-Each RAM Data
I -Display Digits
: Unfixed
: 16-digit
-Contrast Control
: 8/16 Dury
-All Display Off
-All Outputs are "L"
O
Segment Output Terminals (Internal Pull-down
Resistance)
O Timing Output Terminals (Internal Pull-down Resistance)
O Icon Output Terminals (Internal Pull-down Resistance)
O
Output Port Terminal
This terminal is suitable for LED.










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