Datasheet

SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
1020
• LOCK_B
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.
•FIFOCFG
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
FIFOCFG FIFO request
00 The largest defined length AHB burst is performed on the destination AHB interface.
01 When half FIFO size is available/filled, a source/destination request is serviced.
10 When there is enough space/data available to perform a single AHB access, then the request is serviced.