TLC6989 datasheet(12/72 Pages) TI1

Part #	TLC6989

Description	TLC6989 SPI-Compatible Connectivity for TLC698x Device Family

PDF	72 Pages

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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7.3.2.4 CCSI Start Bit and Check Bits Insertion and Removal

The TLC6989 automatically inserts and removes the start bit and check bits that are required for the CCSI. This

means that those bits do not have to be inserted in the SPI data words when transmitted by the controller. In

addition, when reading back data using SPI, the start bit and check bits are removed. This results in standard 16

bits SPI data words. An example of this feature is depicted in Figure 7-4. In the remaining part of this document,

the start bit and check bits are not explicitly shown anymore.

CRC

SDO

SOUT

SIN

SDI

SPI CMD

Data0

Data1

END

Data0

Data1

END

STATUS

CRC

DATA_RD

Data0

Data1

CRC

Data0

Data1

CRC

Figure 7-4. Example of insertion and removal of start bit and check bits

TLC6989

SLVSHF5 – NOVEMBER 2024

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TLC6989 Datasheet(PDF) 12 Page - Texas Instruments