User Manual
Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 622 of 909 2019 Ambiq Micro, Inc.
All rights reserved.
27
TMRB4NO-
SYNC
0x0 RW
Source clock synchronization control.
DIS = 0x0 - Synchronization on source clock
NOSYNC = 0x1 - No synchronization on source clock
26:23 TMRB4TRIG 0x0 RW
Counter/Timer B4 Trigger Select.
DIS = 0x0 - Trigger source is disabled.
A4OUT = 0x1 - Trigger source is CTIMERA4 OUT.
B3OUT = 0x2 - Trigger source is CTIMERB3 OUT.
A3OUT = 0x3 - Trigger source is CTIMERA3 OUT.
A7OUT = 0x4 - Trigger source is CTIMERA7 OUT.
B7OUT = 0x5 - Trigger source is CTIMERB7 OUT.
A1OUT = 0x6 - Trigger source is CTIMERA1 OUT.
B1OUT = 0x7 - Trigger source is CTIMERB1 OUT.
B3OUT2 = 0x8 - Trigger source is CTIMERB3 OUT2.
A3OUT2 = 0x9 - Trigger source is CTIMERA3 OUT2.
A1OUT2 = 0xA - Trigger source is CTIMERA1 OUT2.
B1OUT2 = 0xB - Trigger source is CTIMERB1 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.
STIMERCAP0 = 0x4 - Trigger source is STimer Capture0 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCAP1 = 0x5 - Trigger source is STimer Capture1 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCAP2 = 0x6 - Trigger source is STimer Capture2 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCAP3 = 0x7 - Trigger source is STimer Capture3 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCMP0 = 0x8 - Trigger source is STimer Compare0 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCMP1 = 0x9 - Trigger source is STimer Compare1 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCMP2 = 0xA - Trigger source is STimer Compare2 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCMP3 = 0xB - Trigger source is STimer Compare3 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCMP4 = 0xC - Trigger source is STimer Compare4 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCMP5 = 0xD - Trigger source is STimer Compare5 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCMP6 = 0xE - Trigger source is STimer Compare6 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
STIMERCMP7 = 0xF - Trigger source is STimer Compare7 Interrupt. When
CTLINK==1 and TMRA4TRIG==1. (Apollo3 - B0)
22 RSVD 0x0 RO
RESERVED
21:16 TMRB4LMT 0x0 RW
Counter/Timer B4 Pattern Limit Count.
15 RSVD 0x0 RO
RESERVED
14 TMRA4EN23 0x0 RW
Counter/Timer A4 Upper compare enable.
DIS = 0x1 - Disable enhanced functions.
EN = 0x0 - Enable enhanced functions.
Table 890: AUX4 Register Bits
Bit Name Reset RW Description