TSL3301CL

102 × 1 LINEAR OPTICAL SENSOR ARRAY

WITH ANALOG-TO-DIGITAL CONVERTER

TAOS141 − JULY 2011

5

The LUMENOLOGY

r Company

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r

Copyright

E 2011, TAOS Inc.

www.taosinc.com

Command Description

The TSL3301CL is a slave device that reacts strictly to commands received from the digital controller. These

commands cause the device to perform functions such as reset, integrate, sample, etc. Table 3 summarizes

the command types and formats and Table 4 lists the command set for the TSL3301CL. Each command is

described in more detail below.

Table 3. Command Type and Format Summary

COMMAND TYPE

FORMAT

Action command

< Command byte >

Register write

< Command byte > < Data byte >

Table 4. TSL3301CL Command Set

COMMAND

HEX CODE

DESCRIPTION

IRESET

SDIN held low for 30

clocks

Interface Reset

RESET

0x1B

Reset Integration and read blocks

STARTInt

0x08

Start pixel integration

SAMPLEInt

0x10

Stop light integration and sample results

READPixel

0x02

Dump serial the contents of each sampled integrator

ABORTPixel

0x19

Abort any READPixel operation in progress

READHold

0x12

Combination of SAMPLEInt and READPixel commands

READHoldNStart

0x16

Combination of SAMPLEInt, READPixel and STARTInt commands

REGWrite

0x40 + address

Write a gain, offset, or mode register

REGRead

0x60 + address

Read a gain, offset, or mode register