APDS-9303-020 Avago Technologies US Inc., APDS-9303-020 Datasheet - Page 9

• Manufacturer Part Number: APDS-9303-020
• Description: PHOTO SENSOR AMB SMBUS 6CHIPLED
• Manufacturer: Avago Technologies US Inc.
• Type: Ambient Light Sensor with Digital Outputr

Specifications of APDS-9303-020

• Peak Wavelength: 640 nm
• Maximum Rise Time: 300 ns
• Maximum Fall Time: 300 ns
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 30 C
• Product: Ambient Light Sensor
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Command Register
The command register specifies the address of the target register for subsequent read and write operations. The Send
Byte protocol is used to configure the COMMAND register. The command register contains eight bits as described in
Table 3. The command register defaults to 00h at power on.
Table 3. Command Register
Reset Value:
Control Register (0h)
The CONTROL register contains two bits and is primarily used to power the APDS-9303 device up and down as shown
in Table 4.
Table 4. Control Register
Reset Value:
9
FIELD
CMD
CLEAR
WORD
Resv
ADDRESS
FIELD
Resv
POWER
Oh
CMD
BIT
7
6
5
4
3:0
BIT
7:2
1:0
Resv
7
0
7
0
DESCRIPTION
Select command register. Must write as 1.
Interrupt clear. Clears any pending interrupt. This bit is a write–one–to–clear bit. It is self clearing.
SMBUS Write/Read Word Protocol. 1 indicates that this SMBUS transaction is using either the SMBUS
Write Word or Read Word protocol.
Reserved. Write as 0.
Register Address. This field selects the specific control or status register for following write and read
commands according to Table 2.
DESCRIPTION
Reserved. Write as 0.
Power up/power down. By writing a 03h to this register, the device is powered up. By writing a 00h to
this register, the device is powered down.
NOTE: If a value of 03h is written, the value returned during a read cycle will be 03h. This feature can be used to
verify that the device is communicating properly.
CLEAR
Resv
6
0
6
0
WORD
Resv
5
0
5
0
Resv
Resv
4
4
0
0
Resv
3
0
3
0
Resv
2
0
2
0
ADDRESS
1
0
1
0
POWER
0
0
0
0
COMMAND
CONTROL