User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 596 of 909 2019 Ambiq Micro, Inc.
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27
TMRB1NO-
SYNC
0x0 RW
Source clock synchronization control.
DIS = 0x0 - Synchronization on source clock
NOSYNC = 0x1 - No synchronization on source clock
26:23 TMRB1TRIG 0x0 RW
Counter/Timer B1 Trigger Select.
DIS = 0x0 - Trigger source is disabled.
A1OUT = 0x1 - Trigger source is CTIMERA1 OUT.
B3OUT = 0x2 - Trigger source is CTIMERB3 OUT.
A3OUT = 0x3 - Trigger source is CTIMERA3 OUT.
A6OUT = 0x4 - Trigger source is CTIMERA6 OUT.
B6OUT = 0x5 - Trigger source is CTIMERB6 OUT.
A0OUT = 0x6 - Trigger source is CTIMERA0 OUT.
B0OUT = 0x7 - Trigger source is CTIMERB0 OUT.
B3OUT2 = 0x8 - Trigger source is CTIMERB3 OUT2.
A3OUT2 = 0x9 - Trigger source is CTIMERA3 OUT2.
A4OUT2 = 0xA - Trigger source is CTIMERA4 OUT2.
B4OUT2 = 0xB - Trigger source is CTIMERB4 OUT2.
A6OUT2DUAL = 0xC - Trigger source is CTIMERA6 OUT2, dual edge.
A7OUT2DUAL = 0xD - Trigger source is CTIMERA7 OUT2, dual edge.
B5OUT2DUAL = 0xE - Trigger source is CTIMERB5 OUT2, dual edge.
A5OUT2DUAL = 0xF - Trigger source is CTIMERA5 OUT2, dual edge.
22 RSVD 0x0 RO
RESERVED
21:16 TMRB1LMT 0x0 RW
Counter/Timer B1 Pattern Limit Count.
15 RSVD 0x0 RO
RESERVED
14 TMRA1EN23 0x0 RW
Counter/Timer A1 Upper compare enable.
DIS = 0x1 - Disable enhanced functions.
EN = 0x0 - Enable enhanced functions.
13 TMRA1POL23 0x0 RW
Counter/Timer A1 Upper output polarity
NORMAL = 0x0 - Upper output normal polarity
INV = 0x1 - Upper output inverted polarity.
12 TMRA1TINV 0x0 RW
Counter/Timer A1 Invert on trigger.
DIS = 0x0 - Disable invert on trigger
EN = 0x1 - Enable invert on trigger
11
TMRA1NO-
SYNC
0x0 RW
Source clock synchronization control.
DIS = 0x0 - Synchronization on source clock
NOSYNC = 0x1 - No synchronization on source clock
Table 848: AUX1 Register Bits
Bit Name Reset RW Description