NRF9160-SICA-R7 datasheet(375/400 Pages) NORDIC

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Debug and trace

Offset

Description

ERASEPROTECT.STATUS

0x018

This is the status register for the UICR ERASEPROTECT configuration.

ERASEPROTECT.DISABLE

0x01C

This register disables ERASEPROTECT and performs ERASEALL.

MAILBOX.TXDATA

0x020

Data sent from the debugger to the CPU.

MAILBOX.TXSTATUS

0x024

This register shows a status that indicates if data sent from the debugger to the CPU has been read.

MAILBOX.RXDATA

0x028

Data sent from the CPU to the debugger.

MAILBOX.RXSTATUS

0x02C

This register shows a status that indicates if data sent from the CPU to the debugger has been read.

IDR

0x0FC

CTRL-AP Identification Register, IDR

Table 107: Register overview

9.2.5.1.1 RESET

Address offset: 0x000

System reset request

This register is automatically deactivated by writing Erase to ERASEALL, it is then kept inactive until a reset

source affecting the debug system is asserted. See Reset behavior on page 57.

Bit number

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Reset 0x00000000

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

R/W

Field

Value ID

Value

Description

RESET

System reset request and status

NoReset

Write to release reset

Reading '0' means reset is not active

Reset

Write to hold reset

Reading '1' means reset is active

9.2.5.1.2 ERASEALL

Address offset: 0x004

Perform a secure erase of the device, where flash, SRAM and UICR will be erased in sequence. The device

will be returned to factory default settings upon next reset.

Bit number

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Reset 0x00000000

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

R/W

Field

Value ID

Value

Description

ERASEALL

Return device to factory default settings

NoOperation

No operation

Erase

Erase flash, SRAM, and UICR in sequence

9.2.5.1.3 ERASEALLSTATUS

Address offset: 0x008

This is the status register for the ERASEALL operation.

4418_1315 v2.0

375

NRF9160-SICA-R7 Datasheet(PDF) 375 Page - Nordic Semiconductor

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