TSL2550T TAOS, TSL2550T Datasheet - Page 5

• Manufacturer Part Number: TSL2550T
• Description: Industrial Optical Sensors Ambient Light Sensor SMBus
• Manufacturer: TAOS
• Type: Ambient Light Sensor with Digital Outputr

Specifications of TSL2550T

• Product: Ambient Light Sensor
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SMBDATA
SMBCLK
SMBDATA
SMBCLK
The LUMENOLOGY r Company
SMBDATA
SMBCLK
Start by
Master
Start by
Master
t
(BUF)
Condition
Stop
A6
A6
1
1
P
Frame 1 SMBus Slave Address Byte
Frame 1 SMBus Slave Address Byte
V
V
IH
IL
A5
A5
Start
Condition
t
(LOW)
S
A4
A4
Figure 3. SMBus Timing Diagram for Receive Byte Format
SMBDATA
Figure 2. SMBus Timing Diagram for Send Byte Format
V
V
SMBCLK
IH
IL
PARAMETER MEASUREMENT INFORMATION
t
(HDSTA)
A3
A3
t
(HDDAT)
A2
A2
t
(R)
Figure 1. SMBus Timing Diagrams
Start
A1
A1
r
t
(LOWMEXT)
A0
A0
www.taosinc.com
SMBCLK
R/W
R/W
t
(HIGH)
TSL2550
TSL2550
t
(LOWSEXT)
ACK by
t
ACK by
(F)
ACK
9
9
t
t
(LOWMEXT)
(SUSTA)
t
D7
D7
(SUDAT)
1
1
SMBCLK
D6
D6
Frame 2 Data Byte From TSL2550
D5
D5
ACK
S
Stop
Frame 2 Command Byte
D4
D4
r
t
(LOWMEXT)
D3
D3
AMBIENT LIGHT SENSOR
WITH SMBus INTERFACE
D2
D2
D1
D1
t
TAOS029L − OCTOBER 2007
(SUSTO)
Copyright E 2007, TAOS Inc.
D0
D0
NACK by
TSL2550
ACK by
Master
9
9
TSL2550
P
Stop by
Master
Stop by
Master
5