TSL2580 Ver la hoja de datos (PDF) - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

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TSL2580

LIGHT-TO-DIGITAL CONVERTER

TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 

TSL2580, TSL2581

LIGHT-TO-DIGITAL CONVERTER

TAOS098 − MARCH 2010

PARAMETER MEASUREMENT INFORMATION

SCL

t(BUF)

SDA

t(LOW)

t(R)

VIH

VIL

t(HDSTA)

t(HDDAT)

VIH

VIL

t(F)

t(HIGH) t(SUSTA)

t(SUDAT)

P

Stop

Condition

S

Start

Condition

SCL

S

Start

Stop

t(LOWSEXT)

SCLACK

SCLACK

t(LOWMEXT)

t(LOWMEXT)

t(LOWMEXT)

SDA

Figure 1. Timing Diagrams

1

SCL

91

t(SUSTO)

P

9

SDA

A6 A5 A4 A3 A2 A1 A0 R/W

D7 D6 D5 D4 D3 D2 D1 D0

Start by

Master

ACK by

TSL258x

Frame 1 SMBus Slave Address Byte

Frame 2 Command Byte

ACK by Stop by

TSL258x Master

Figure 2. Example Timing Diagram for SMBus Send Byte Format

1

91

9

SCL

SDA

A6 A5 A4 A3 A2 A1 A0 R/W

D7 D6 D5 D4 D3 D2 D1 D0

Start by

Master

ACK by

TSL258x

Frame 1 SMBus Slave Address Byte

NACK by Stop by

Master Master

Frame 2 Data Byte From TSL258x

Figure 3. Example Timing Diagram for SMBus Receive Byte Format

Copyright E 2010, TAOS Inc.

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