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PDF PH5551A2NA1-E4 Data sheet ( Hoja de datos )
| Número de pieza | PH5551A2NA1-E4 | |
| Descripción | Ambient Illuminance Sensor | |
| Fabricantes | Renesas | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PH5551A2NA1-E4 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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PH5551A2NA1-E4
Ambient Illuminance Sensor
Preliminary Data Sheet
R08DS0037EJ0100
Rev.1.00
Aug 03, 2011
DESCRIPTION
The PH5551A2NA1-E4 is a digital ambient illuminance sensor for I2C bus interfaces and includes a 16-bit AD
converter. This product has spectral characteristics close to human eye sensitivity and outputs digital signals
corresponding to the ambient brightness.
The PH5551A2NA1-E4 can be used to improve the performance and reduce the power consumption of digital
equipment such as FPD TV sets and mobile phones, by enabling automatic brightness control and automatic switching
on and off of lighting systems.
FEATURES
• Small and thin SON package
2.55 x 1.56 x 0.55 mm
• Built-in 16-bit AD converter
• I2C bus interface
• Spectral characteristics close to human eye sensitivity
Peak sensitivity wavelength
560 nm TYP.
• Wide illuminance range
1 to 65,535 lx
• I2C slave address selectable
2 types
• Interrupt function
• Pb-free
APPLICATIONS
• FPD TV sets, displays
• Mobile phones, smartphones
• Notebook PCs, tablet PCs
• DSCs, DVCs
• FA equipments
• Lighting systems, etc.
R08DS0037EJ0100 Rev.1.00
Aug 03, 2011
Page 1 of 10
1 page  
PH5551A2NA1-E4
Chapter Title
INSTRUCTION CODE AND REGISTER MAP
1. Instruction Code
The instruction code is specified after the slave address.
0 1 0 1 0 0 0 0 Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
REG_SEL
AP_CNT
ADR_PTR
PWR *1
Note: *1 There are two PWR bits, one in the instruction code and one in the control register. When one bit changes, the
other bit also changes at the same time.
(1) REG_SEL: Register selection for Write or Read operation
Code
00
01
10
Register Address Selection
Write Operation
Control Register
Control Register
Measurement Register
Control Register
Measurement Register
−
Read Operation
Control Register
Measurement Register
Measurement Register
(2) AP_CNT: Address Pointer Control
Code
00
01
10
Description
The address is fixed to the register address specified by ADR_PTR.
The register address is incremented when one item of data is written or read.
If these bits are read after being written, the current register address is output.
(3) ADR_PTR: Register Address
Specify the address of the register to be written or read by using these 3 bits.
(4) PWR: Power On/Power Down
Power on/Power down (1: Power on)
R08DS0037EJ0100 Rev.1.00
Aug 03, 2011
Page 5 of 10
5 Page 
Revision History
PH5551A2NA1-E4 Data Sheet
Rev.
1.00
Date
Aug 03, 2011
Page
−
First edition issued
Description
Summary
All trademarks and registered trademarks are the property of their respective owners.
C-1
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet PH5551A2NA1-E4.PDF ] | |
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