User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 604 of 909 2019 Ambiq Micro, Inc.
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Table 861: AUX2 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
TMRB2EN23
TMRB2POL23
TMRB2TINV
TMRB2NOSYNC
TMRB2TRIG
RSVD
TMRB2LMT
RSVD
TMRA2EN23
TMRA2POL23
TMRA2TINV
TMRA2NOSYNC
TMRA2TRIG
TMRA2LMT
Table 862: AUX2 Register Bits
Bit Name Reset RW Description
31 RSVD 0x0 RO
RESERVED
30 TMRB2EN23 0x0 RW
Counter/Timer B2 Upper compare enable.
DIS = 0x1 - Disable enhanced functions.
EN = 0x0 - Enable enhanced functions.
29 TMRB2POL23 0x0 RW
Upper output polarity
NORM = 0x0 - Upper output normal polarity
INV = 0x1 - Upper output inverted polarity.
28 TMRB2TINV 0x0 RW
Counter/Timer B2 Invert on trigger.
DIS = 0x0 - Disable invert on trigger
EN = 0x1 - Enable invert on trigger
27
TMRB2NO-
SYNC
0x0 RW
Source clock synchronization control.
DIS = 0x0 - Synchronization on source clock
NOSYNC = 0x1 - No synchronization on source clock
26:23 TMRB2TRIG 0x0 RW
Counter/Timer B2 Trigger Select.
DIS = 0x0 - Trigger source is disabled.
A2OUT = 0x1 - Trigger source is CTIMERA2 OUT.
B3OUT = 0x2 - Trigger source is CTIMERB3 OUT.
A3OUT = 0x3 - Trigger source is CTIMERA3 OUT.
A1OUT = 0x4 - Trigger source is CTIMERA1 OUT.
B1OUT = 0x5 - Trigger source is CTIMERB1 OUT.
A4OUT = 0x6 - Trigger source is CTIMERA4 OUT.
B4OUT = 0x7 - Trigger source is CTIMERB4 OUT.
B3OUT2 = 0x8 - Trigger source is CTIMERB3 OUT2.
A3OUT2 = 0x9 - Trigger source is CTIMERA3 OUT2.
A5OUT2 = 0xA - Trigger source is CTIMERA5 OUT2.
B5OUT2 = 0xB - Trigger source is CTIMERB5 OUT2.
A6OUT2DUAL = 0xC - Trigger source is CTIMERA6 OUT2, dual edge.
A7OUT2DUAL = 0xD - Trigger source is CTIMERA7 OUT2, dual edge.
B4OUT2DUAL = 0xE - Trigger source is CTIMERB4 OUT2, dual edge.
A4OUT2DUAL = 0xF - Trigger source is CTIMERA4 OUT2, dual edge.
22 RSVD 0x0 RO
RESERVED