BLUENRG-2 datasheet(151/190 Pages) STMICROELECTRONICS

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BlueNRG-2

Functional details

DocID030675 Rev 2

151/190

Table 207: PKA

– ISR register description: address offset PKA_BASE_ADDR+0x04

Bit

Field name

Reset

Description

PROC_END

PKA process ending interrupt. When read:



0: no event.



1: PKA process is ended.

When written:



0: no effect.



1: clears the PKA process ending interrupt.

RESERVED

RAM_ERR

RAM read/write access error interrupt. When read:



0: all AHB read or write access to the PKA

RAM occurred while the PKA was stopped.



1: All the AHB read or write accesses to the

PKA RAM occurred while the PKA was

operating and using the internal RAM. These

reads or writes could not succeed as the PKA

internal RAM is disconnected from the AHB

bus when the PKA is operating (READ bit

low).

When written:



0: no effect.



1: clears the RAM access error interrupt.

ADD_ERR

AHB address error interrupt. When read:



0: All AHB read or write access to the PKA

RAM occurred in a mapped address range.



1: All the AHB read or write access to the PKA

RAM occurred in an unmapped address

range.

When written:



0: no effect.



1: clears the AHB address error interrupt.

31:4

RESERVED

0x00000000

RESERVED

Table 208: PKA

– IEN register description: address offset PKA_BASE_ADDR+0x08

Bit

Field name

Reset

Description

PROCEND_EN

Process ended interrupt enable.



0: interrupt disabled.



1: interrupt enabled.

RESERVED

RAMERR_EN

RAM access error interrupt enable.



0: interrupt disabled.



1: interrupt enabled.

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