ATM90E32AS-AU-R datasheet(66/84 Pages) ATMEL

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M90E32AS [Datasheet]

Atmel-46003B-SE-M90E32AS-Datasheet_02122015

CRCErrStatus

CRC Error Status

CRCDigest

CRC Digest

CfgRegAccEn

Configure Register Access Enable

Address: 79H

Type: Read

Default Value: 0000H

Bit

Name

Description

15:2

Reserved.

INT_ERR

Internal register CRC error

CFG_CRC_E

Configuration registers CRC error

Address: 7AH

Type: Read/ Write

Default Value: 0000H

Bit

Name

Description

15:0

CRCDigest

This register returns the computed CRC remainder (Digest) value of the public configuration register upon

read operation.

This register can be conditionally written as the portal to update the golden CRC that internally latched.

Refer to register CfgRegAccEn for the details.

Address: 7FH

Type: Read/ Write

Default Value: 0000H

Bit

Name

Description

15:0

CfgRegAccEn

Enable register access configuration.

‘0x55AA’ : Allow register configuration access (configuration operation).

‘0xAA55’: Allow write to the "Golden CRC" register at the address of CRCDigest, on top of normal

operation/CRC checking mode. This is just for validation of this feature.

other: Normal operation. The device will start to compute a CRC digest/checksum and latch it the golden

CRC register, then continuously running to check with it.

ATM90E32AS-AU-R Datasheet(PDF) 66 Page - ATMEL Corporation

ATM90E32AS-AU-R Datasheet(HTML) 66 Page - ATMEL Corporation

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