Renesas Electronics /R7FA4W1AD /SMPU /SMPUCTL

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Interpret as SMPUCTL

KEY=others, PROTECT=0, OAD=0

Description

Slave MPU Control Register

Fields

OAD	Master Group enable 0 (0): Non-maskable interrupt. 1 (1): Internal reset.
PROTECT	Protection of register Protected register SMPUMBIU, SMPUFBIU, SMPUSRAM0, SMPUP0BIU, SMPUP2BIU, SMPUP6BIU,SMPUEXBIU, SMPUEXBIU2 0 (0): All Bus Slave register writing is possible. 1 (1): All Bus Slave register writing is protected. Read is possible.
Reserved	These bits are read as 00000. The write value should be 00000.
KEY	Key Code This bit is used to enable or disable rewriting of the PROTECT and OAD bit. 0 (others): Writing to the PROTECT and OAD bit is invalid. 165 (0xA5): Writing to the PROTECT and OAD bit is valid, when the KEY bits are written 0xA5.

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