User Manual
Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 305 of 909 2019 Ambiq Micro, Inc.
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8.15.2.17CMDSTAT Register
Command status
OFFSET: 0x00000224
INSTANCE 0 ADDRESS: 0x50004224
INSTANCE 1 ADDRESS: 0x50005224
INSTANCE 2 ADDRESS: 0x50006224
INSTANCE 3 ADDRESS: 0x50007224
INSTANCE 4 ADDRESS: 0x50008224
INSTANCE 5 ADDRESS: 0x50009224
Provides staus on the execution of the command currently in progress. The fields in this register will reflect
the real time status of the internal state machines and data transfers within the IOM.
Table 426: OFFSETHI 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 OFFSETHI
Table 427: OFFSETHI Register Bits
Bit Name Reset RW Description
31:16 RSVD 0x0 RO
Reserved
15:0 OFFSETHI 0x0 RW
Holds the high order 2 bytes of the 3 byte addressing/offset field to use with
IO commands. The number of offset bytes to use is specified in the com-
mand register
Table 428: CMDSTAT 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
RSRVD0 CTSIZE
CMDSTAT
CCMD