Microchip Technology /ATSAME51J19A /NVMCTRL /CTRLA

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Interpret as CTRLA

15 1211 87 43 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (AUTOWS)AUTOWS 0 (SUSPEN)SUSPEN 0 (MAN)WMODE 0 (SEMIAUTO)PRM0RWS0 (AHBNS0)AHBNS0 0 (AHBNS1)AHBNS1 0 (CACHEDIS0)CACHEDIS0 0 (CACHEDIS1)CACHEDIS1

PRM=SEMIAUTO, WMODE=MAN

Description

Control A

Fields

AUTOWS

Auto Wait State Enable

SUSPEN

Suspend Enable

WMODE

Write Mode

0 (MAN): Manual Write

1 (ADW): Automatic Double Word Write

2 (AQW): Automatic Quad Word

3 (AP): Automatic Page Write

PRM

Power Reduction Mode during Sleep

0 (SEMIAUTO): NVM block enters low-power mode when entering standby mode. NVM block enters low-power mode when SPRM command is issued. NVM block exits low-power mode upon first access.

1 (FULLAUTO): NVM block enters low-power mode when entering standby mode. NVM block enters low-power mode when SPRM command is issued. NVM block exits low-power mode when system is not in standby mode.

3 (MANUAL): NVM block does not enter low-power mode when entering standby mode. NVM block enters low-power mode when SPRM command is issued. NVM block exits low-power mode upon first access.

RWS

NVM Read Wait States

AHBNS0

Force AHB0 access to NONSEQ, burst transfers are continuously rearbitrated

AHBNS1

Force AHB1 access to NONSEQ, burst transfers are continuously rearbitrated

CACHEDIS0

AHB0 Cache Disable

CACHEDIS1

AHB1 Cache Disable

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