Datasheet

TSL2560, TSL2561
LIGHT-TO-DIGITAL CONVERTER
TAOS059Q − NOVEMBER 2009
7
The LUMENOLOGY r Company
r
r
Copyright E 2009, TAOS Inc.
www.taosinc.com
PARAMETER MEASUREMENT INFORMATION
SDA
SCL
StopStart
SCL
ACK
t
(LOWMEXT)
t
(LOWMEXT)
t
(LOWSEXT)
SCL
ACK
t
(LOWMEXT)
Start
Condition
Stop
Condition
P
SDA
t
(SUSTO)
t
(SUDAT)
t
(HDDAT)
t
(BUF)
V
IH
V
IL
SCL
t
(SUSTA)
t
(HIGH)
t
(F)
t
(R)
t
(HDSTA)
t
(LOW)
V
IH
V
IL
PSS
Figure 1. Timing Diagrams
A0A1A2A3A4A5A6
SCL
Start by
Master
SDA
1919
D1D2D3D4D5D6D7 D0R/W
Frame 1 SMBus Slave Address Byte Frame 2 Command Byte
ACK by
TSL256x
Stop by
Master
ACK by
TSL256x
Figure 2. Example Timing Diagram for SMBus Send Byte Format
A0A1A2A3A4A5A6
SCL
Start by
Master
SDA
1919
D1D2D3D4D5D6D7 D0R/W
Frame 1 SMBus Slave Address Byte
Frame 2 Data Byte From TSL256x
ACK by
TSL256x
Stop by
Master
NACK by
Master
Figure 3. Example Timing Diagram for SMBus Receive Byte Format