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PDF NJU6062 Data sheet ( Hoja de datos )
| Número de pieza | NJU6062 | |
| Descripción | Full Color LED Controller Driver | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJU6062
Full Color LED Controller Driver with PWM Control
GENERAL DESCRIPTION
The NJU6062 is a full color LED controller driver. It can
control and drive a 3 in 1 packaged (Red, Green and
Blue) LED.
The NJU6062 contains PWM luminance (Pulse Width
Modulation) control circuit , LED driving circuit, MPU
interface.
The PWM signal control the duty cycle of each RGB
LED delicately, therefore can recognize a lot of colors.
Enable terminal (ON/OFF) is possible to synchronize
with a sound source..
It requires only four external components such as three
resistors for LED current adjustment, which enables the
NJU6062 to save PCB space.
Multi Device control is enabled and it is possible to
control the multiple NJU6062 by a I2C address.
The NJU6062 is suitable for cellular phone, car audio
and so on.
FEATURES
Controlling a 3-in-1 packaged RGB LED
4-channel output
ILED=30mA x 4
Built-in PWM luminance control
Built-in I2C interface circuit
Multi Device control
Built-in CR oscillation circuit
Operating voltage
Package
CMOS Technology
(256steps x 4)
1.8V to 5.5V
SSOP14
PACKAGE OUTLINE
NJU6062V
(SSOP14)
Ver.2012-07-30
-1-
1 page  
NJU6062
(2) Instructions
The data transfer between CPU and the NJU6062 is via a I2C interface.
Table.1 shows the instruction codes of the NJU6062.
Instruction
(a) Function Set
LED1 Start
LED2 Start
LED3 Start
Lower
address
00h
01h
02h
03h
Table 1. Instruction Code
Code
D7 D6 D5 D4 D3 D2 D1
AI PWM FC1 FC0 FD1 FD0 EXT
* : Don’t Care
Description
D0
AL : Address increment
PWM : PWM output
FS
FC1 , FC0 : OSC freq. Select
FD1 , FD0 : Divide ratio Select
EXT : External OSC use
FS : Internal OSC ON/OFF
PWM data/ Start Point
/ End Point Set
PWM data/ Start Point
LED4 Start
(b)
LED1End
04h
05h
LED 2End
LED3 End
06h
07h
PWM data/ End Point
LED4 End
(c)
Update/
Static on
NOP
(d)
Multi Device
Address set
NOP
(e) Maker Testing
Inhibited command
08h
09h
0Ah~0Fh
10h
11h~1Eh
1Fh
UD4
UD3
UD2 UD1 GP4 GP3 GP2
GP1
UD1 to UD4 : Data update
GP1~GP4 : Statifc ON/OFF
*
*
*
*
*
*
*
*
Non Operation code
(Not Applicable)
MA7
MA6
MA5
MA4
MA3
MA2
MA1
MA0
Multi Device mode
address set
*
*
*
*
*
*
*
*
Non Operation code
(Not Applicable)
T7 T6 T5 T4 T3 T2 T1 T0 Inhibited command
20h~FFh
*
*
*
*
*
*
*
* Inhibited command
Ver.2012-07-30
-5-
5 Page 
NJU6062
(4) Reset Circuit
The device is initialized by inputting a more than 400ns long signal into the RES terminal. Instruction can be
input after 1us away from the rising edge of the reset signal,
Reset status using the RES terminal
1, Address increment 0: End point loop (return from 09h to 05h)
2, PWM Output ON/OFF 0: LED4 terminal output
3, OSC frequency select 0,0: 1MHz
4, Divide ratio select 0,0: fosc/256
5, Internal Oscillator use
6, Oscillator OFF
7, PWM data (Start / End point) 00h
8, Update / Static on 00h
9, Multi Device address 00h
10, I2C interface reset
(5) Multi Device control
It is possible to control multiple NJU6062 by a I2C address.
Connect the DATAOUT and RSTb terminal, and Multi Device control is enabled by assigning a unique
address to each device in default configuration.
Upper address (MA) is a unique address under the Multi Device control.
It has 254 sets of address (01h~Feh).
After reset, upper address is set to “00h”.
Output “L” from DATAOUT terminal when the upper address is “00h”.
Output “H” from DATAOUT terminal when the upper address is “01h~FFh”.
Writing of data : Write the data to the device of the upper address assigned in default configuration
Selecting FFh to the upper address, all connected devices are dynamically updated.
VDD
EN
RSTb
SCL
SDA
VSS
Device 1
VDD
VSS
EN
DATAOUT
RSTb SCL SDA
Device 2
VDD
VSS
EN
DATAOUT
RSTb SCL SDA
Device 3
VDD
VSS
EN
DATAOUT
RSTb SCL SDA
•••••
Ver.2012-07-30
- 11 -
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet NJU6062.PDF ] | |
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