User Manual

Apollo3 Blue Datasheet

DS-A3-0p9p1 Page 671 of 909 2019 Ambiq Micro, Inc.

14.2.1 Register Memory Map

Table 953: STIMER Register Map

Address(s) Register Name Description

0x40008140 STCFG Configuration Register

0x40008144 STTMR

System Timer Count Register (Real Time

Counter)

0x40008148 CAPTURECONTROL Capture Control Register

0x40008150 SCMPR0 Compare Register A

0x40008154 SCMPR1 Compare Register B

0x40008158 SCMPR2 Compare Register C

0x4000815C SCMPR3 Compare Register D

0x40008160 SCMPR4 Compare Register E

0x40008164 SCMPR5 Compare Register F

0x40008168 SCMPR6 Compare Register G

0x4000816C SCMPR7 Compare Register H

0x400081E0 SCAPT0 Capture Register A

0x400081E4 SCAPT1 Capture Register B

0x400081E8 SCAPT2 Capture Register C

0x400081EC SCAPT3 Capture Register D

0x400081F0 SNVR0 System Timer NVRAM_A Register

0x400081F4 SNVR1 System Timer NVRAM_B Register

0x400081F8 SNVR2 System Timer NVRAM_C Register

0x400081FC SNVR3 System Timer NVRAM_D Register

0x40008300 STMINTEN STIMER Interrupt registers: Enable

0x40008304 STMINTSTAT STIMER Interrupt registers: Status

0x40008308 STMINTCLR STIMER Interrupt registers: Clear

0x4000830C STMINTSET STIMER Interrupt registers: Set