User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 714 of 909 2019 Ambiq Micro, Inc.
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17.6.2.5 IBRD Register
Integer Baud Rate Divisor
OFFSET: 0x00000024
INSTANCE 0 ADDRESS: 0x4001C024
INSTANCE 1 ADDRESS: 0x4001D024
Integer Baud Rate Divisor
17.6.2.6 FBRD Register
Fractional Baud Rate Divisor
OFFSET: 0x00000028
INSTANCE 0 ADDRESS: 0x4001C028
INSTANCE 1 ADDRESS: 0x4001D028
Table 1043: ILPR 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 ILPDVSR
Table 1044: ILPR Register Bits
Bit Name Reset RW Description
31:8 RSVD 0x0 RO
This bitfield is reserved for future use.
7:0 ILPDVSR 0x0 RW
These bits hold the IrDA counter divisor.
Table 1045: IBRD 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 DIVINT
Table 1046: IBRD Register Bits
Bit Name Reset RW Description
31:16 RSVD 0x0 RO
This bitfield is reserved for future use.
15:0 DIVINT 0x0 RW
These bits hold the baud integer divisor.