User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 249 of 909 2019 Ambiq Micro, Inc.
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7.10.2.23DMATOTCOUNT Register
DMA Total Transfer Count
OFFSET: 0x00000260
INSTANCE 0 ADDRESS: 0x50014260
DMA Total Transfer Count
7.10.2.24DMABCOUNT Register
DMA BYTE Transfer Count
OFFSET: 0x00000264
INSTANCE 0 ADDRESS: 0x50014264
DMA BYTE Transfer Count
Table 371: DMADEVADDR Register Bits
Bit Name Reset RW Description
31:0 DEVADDR 0x0 RW
SPI Device address for automated DMA transactions (both read and write).
Table 372: DMATOTCOUNT Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
RSVD TOTCOUNT
Table 373: DMATOTCOUNT Register Bits
Bit Name Reset RW Description
31:16 RSVD 0x0 RO
Reserved
15:0 TOTCOUNT 0x0 RW
Total Transfer Count in bytes.
Table 374: DMABCOUNT Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
RSVD BCOUNT