Ahbmtransferwidth Setup; Limitations - Fujitsu MB86R02 Jade-D Hardware Manual

MB86R02 'Jade-D' Hardware Manual V1.64
1) configure DMA Transfer:
set source (e.g. flash)
o
set DMA destination: RLD
o
2) start DMA Transfer
3) interrupt after completion
Case B: compressed data source is AHB master
1) Write actively data to RLD AHB slave
2) interrupt after completion

23.9 Limitations

23.9.1

AHBMTransferWidth Setup

It is recommended to set the register AHBMTransferWidth depends on the LSBs of BYTCNT
according following table:
BYTECNT AHBMCtrl.AHBMTransferWidth
LSB[1:0]
00 Word (b10), Halfword (b01), Byte (b00)
01 Byte (b00)
10 Halfword (b01), Byte (b00)
11 Byte (b00)
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