Rainbow Electronics AT91CAP9S250A User Manual

Page 331

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331

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

0: AHB Bus Locking capability is disabled.

1: AHB Bus Locking capability is enabled.

• LOCK_IF_L

0: The Master Interface Arbiter is locked by the channel x for a chunk transfer.

1: The Master Interface Arbiter is locked by the channel x for a buffer transfer.

• AHB_PROT

AHB_PROT field provides additional information about a bus access and is primarily used to implement some level of
protection.

HPROT[3]

HPROT[2]

HPROT[1]

HPROT[0]

Description

1

Data access

AHB_PROT[0]

0: User Access

1: Privileged Access

AHB_PROT[1]

0: Not Bufferable

1: Bufferable

AHB_PROT[2]

0: Not cacheable

1: Cacheable

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