TLC6989 datasheet(21/72 Pages) TI1

21 / 72 page

Table 7-1. Diagnostics Table (continued)

FAULT TYPE

DETECTION CRITERIA

CONDITIONS

FAULT ACTIONS

FAULT OUTPUT

FAULT PIN

TXFIFO single error

detection

CCSI controller requests a new word for

transmission and TXFIFO parity error

CCSI controller

stops

FLAG_TXFFSED

FLAG_TXFF

FLAG_ERR

Constant pulled

down

RXFIFO overflow

RXFFST = 255

and

CCSI data word needs to be stored

CCSI peripheral

does not store any

words in RXFIFO

FLAG_RXFFOVF

FLAG_RXFF

FLAG_ERR

Constant pulled

down

RXFIFO underflow

RXFFST = 0

and

SPI peripheral requests a new word for

transmission

SPI command type starts with

DATA_READ

CCSI peripheral

does not store any

words in RXFIFO

FLAG_RXFFUVF

FLAG_RXFF

FLAG_ERR

Constant pulled

down

RXFIFO single error

detection

SPI peripheral requests a new word for

transmission and RXFIFO parity error

SPI command type starts with

DATA_READ

No action

FLAG_RXFFSED

FLAG_RXFF

FLAG_ERR

Constant pulled

down

OTP CRC error

CALC_OTPCRC is different OTPCRC

No action

FLAG_OTP_CRC

FLAG_ERR

Constant pulled

down

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TLC6989

SLVSHF5 – NOVEMBER 2024

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