EFM32G-DK3550【PDF 25/467 页】KIT DEVELOPMENT EFM32 GECKO

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...the world's most energy friendly microcontrollers

6.5 Register Map

The offset register address is relative to the registers base address.

Offset

Name

Type

W1

W1

R

R

Description

Command Register

Command Key Register

Status Register

AAP Identification Register

6.6 Register Description

6.6.1 AAP_CMD - Command Register

Offset

0x000

Reset

Access

Name

Bit Position

Bit

Name

Reset

Access

Description

31:2

Reserved

To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)

1

SYSRESETREQ

0

W1

System Reset Request

A system reset request is generated when set to 1. This register is write enabled from the AAP_CMDKEY register.

0

DEVICEERASE

0

W1

Erase the Flash Main Block, SRAM and Lock Bits

When set, all data and program code in the main block is erased, the SRAM is cleared and then the Lock bit (LB) page is erased.

This also includes the Debug lock word (DLW), causing debug access to be enabled after the next reset. The information block

user data page (UD) is left unchanged, but the User data page lock word (ULW) is erased. This register is write enabled from the

AAP_CMDKEY register.

6.6.2 AAP_CMDKEY - Command Key Register

Offset

0x004

Reset

Access

Name

Bit Position

Bit

31:0

Name

WRITEKEY

Reset

0x00000000

Access

W1

Description

CMD Key Register

2011-04-12 - d0001_Rev1.10

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