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L9230

Reset of the Diagnostic Register DIA_REG

On the following conditions DIA_REG is reset:

- DI high

- EN low

- With the rising edge of the SS-signal after the SPI-Instruction RD_DIA.

- When the voltage on DMS exceeds the threshold for detecting SPI-Mode.

(after undervoltage condition)

- If UB rises over about the undervoltage level, the Bits of DIA_REG are restored

Verification byte:

MSB

76

543210

Z

Z

10101

TRANS_F

Bit

Name

Description

0

TRANS_F

Bit = 1: error detected during previous transfer

Bit = 0: previous transfer was recognised as valid

1

Fixed to High

2

Fixed to Low

3

Fixed to High

4

Fixed to Low

5

Fixed to High

6

send as high impedance

7

send as high impedance