參數(shù)資料
型號: TSL2550
廠商: Electronic Theatre Controls, Inc.
英文描述: AMBIENT LIGHT SENSOR WITH SMBus INTERFACE
中文描述: 常溫與SMBus接口光傳感器
文件頁數(shù): 5/14頁
文件大?。?/td> 147K
代理商: TSL2550
TSL2550
AMBIENT LIGHT SENSOR
WITH SMBus INTERFACE
TAOS029 – SEPTEMBER 2002
5
The LUMENOLOGY Company
Copyright 2002, TAOS Inc.
www.taosinc.com
PARAMETER MEASUREMENT INFORMATION
SMBDATA
SMBCLK
Stop
Start
SMBCLK
ACK
t
(LOWMEXT)
t
(LOWMEXT)
t
(LOWSEXT)
SMBCLK
ACK
t
(LOWMEXT)
Start
Condition
Stop
Condition
P
SMBDATA
t
(SUSTO)
t
(SUDAT)
t
(HDDAT)
t
(BUF)
V
IH
V
IL
SMBCLK
t
(SUSTA)
t
(HIGH)
t
(F)
t
(R)
t
(HDSTA)
t
(LOW)
V
IH
V
IL
P
S
S
Figure 1. SMBus Timing Diagrams
A0
A1
A2
A3
A4
A5
A6
SMBCLK
Start by
Master
SMBDATA
1
9
1
9
D1
D2
D3
D4
D5
D6
D7
D0
R/W
Frame 1 SMBus Slave Address Byte
Frame 2 Command Byte
ACK by
TSL2550
Stop by
Master
ACK by
TSL2550
Figure 2. SMBus Timing Diagram for Send Byte Format
A0
A1
A2
A3
A4
A5
A6
SMBCLK
Start by
Master
SMBDATA
1
9
1
9
D1
D2
D3
D4
D5
D6
D7
D0
R/W
Frame 1 SMBus Slave Address Byte
Frame 2 Data Byte From TSL2550
ACK by
TSL2550
Stop by
Master
NACK by
Master
Figure 3. SMBus Timing Diagram for Receive Byte Format
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