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PDF NJU6061 Data sheet ( Hoja de datos )
| Número de pieza | NJU6061 | |
| Descripción | RGB LED Driver / FFP12-B1 / SSOP14 | |
| Fabricantes | JRC | |
| Logotipo |  |
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NJU6061
Full Color LED Controller Driver with PWM Control
GENERAL DESCRIPTION
The NJU6061 is a full color LED controller driver. It can
control and drive a 3 in 1 packaged (Red, Green and Blue) LED.
The NJU6061 contains PWM luminance (Pulse Width
Modulation) control circuit , LED driving circuit, MPU
interface and so on.
The PWM signal control the duty cycle of each RGB LED
delicately, therefore can realize a lot of colors.
The Sweep Operation function can simplify the LED
brightness control.
The Brightness Correction function can fake a linear change
of the LED brightness in human eyes.
Enable terminal (ON/OFF) is possible to synchronize with a
sound source etc.
It requires only four external components such as three
resistors for LED current adjustment and one for oscillation,
which enables the NJU6061 to save PCB space.
The NJU6061 can be cascaded and controlled at the same
time.
NJU6061 is suitable for cellular phone, car audio and so on.
PACKAGE OUTLINE
NJU6061PB1
NJU6061V
FEATURES
Controlling a 3-in-1 packaged RGB LED
Built-in PWM luminance control
Built-in 8bit serial interface circuit
Cascade connect
Sweep operation function
Brightness correction
Built-in oscillation circuit
Operating voltage
Package
CMOS Technology
ILED=30mA x 3
16 steps x 3 (Internal 128 steps x 3)
1.7V to 5.5V
FFP12(2.0*2.0*0.85mm), SSOP14
Ver.2005-08-09
-1-
1 page  
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NJU6061
Bt staggering the output waveforms’ phases, allowable dissipation of LED package can be reduced.
The LED brightness can be selected from 16 levels (0 to 15) by Brightness Correction function.
LED1 terminal
LED2 terminal
LED3 terminal
1-frame
LED1 terminal
LED2 terminal
LED3 terminal
1/128step 5uS(200kHz)
0.64mS(1.56kHz)
1-frame 1.92mS(520Hz)
fosc=400kHz,
Frame Frequency Set D1=0
Ver.2005-08-09
-5-
5 Page 
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NJU6061
(g) Sweep Execute
At the end of the program, as a request signal to CPU, the DATA pin becomes low, PWM value will be maintained as
in the last count.
D7 D6 D5 D4 D3 D2 D1 D0
1 1 0 0 * LED3 LED2 LED1
(*:Don’t Care)
LED1:D0
LED2:D1
LED3:D2
0 : Stop
1 : Execute
0 : Stop
1 : Execute
0 : Stop
1 : Execute
(h) Reset
Different from hardware reset, using reset instruction can initialize the device too. When power ON, hardware reset
should be executed
D7 D6 D5 D4 D3 D2 D1 D0
11011111
Reset status using the Reset instruction
1, fPWM
0: fosc/(256*3)
2, OSC
0: Oscillation OFF
3, Sweep Function
Disable
4, Sweep Direction
0,0: HALT
5, Stepping Time
0,0: 8-frame
6, PWM data
0,0,0,0: 0/128
7, Counter Number
0,0,0,0
8, Sweep Execute
Stop
(i) Testing
This instruction is used only for device testing by the manufacturer.
If use this instruction by mistake, reset data again for an ordinary operation, To use reset instruction or input “L” into
RSTb pin can make the testing mode ineffective
D7 D6 D5 D4 D3 D2 D1 D0
1110
Test Data
D7 D6 D5 D4 D3 D2 D1 D0
1111
Test Data
D3 D2 D1 D0
0000
Test Data
Normal mode
Ver.2005-08-09
- 11 -
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet NJU6061.PDF ] | |
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