User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 414 of 909 2019 Ambiq Micro, Inc.
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11.7.1 Register Memory Map
Table 624: GPIO Register Map
Address(s) Register Name Description
0x40010000 PADREGA Pad Configuration Register A (Pads 0-3)
0x40010004 PADREGB Pad Configuration Register B (Pads 4-7)
0x40010008 PADREGC Pad Configuration Register C (Pads 8-11)
0x4001000C PADREGD Pad Configuration Register D (Pads 12-15)
0x40010010 PADREGE Pad Configuration Register E (Pads 16-19)
0x40010014 PADREGF Pad Configuration Register F (Pads 20-23)
0x40010018 PADREGG Pad Configuration Register G (Pads 24-27)
0x4001001C PADREGH Pad Configuration Register H (Pads 28-31)
0x40010020 PADREGI Pad Configuration Register I (Pads 32-25)
0x40010024 PADREGJ Pad Configuration Register J (Pads 36-39)
0x40010028 PADREGK Pad Configuration Register K (Pads 40-43)
0x4001002C PADREGL Pad Configuration Register L (Pads 44-47)
0x40010030 PADREGM Pad Configuration Register M (Pads 47-48)
0x40010040 CFGA GPIO Configuration Register A (Pads 0-7)
0x40010044 CFGB GPIO Configuration Register B (Pads 8-15)
0x40010048 CFGC GPIO Configuration Register C (Pads 16-23)
0x4001004C CFGD GPIO Configuration Register D (Pads 24-31)
0x40010050 CFGE GPIO Configuration Register E (Pads 32-39)
0x40010054 CFGF GPIO Configuration Register F (Pads 40 -47)
0x40010058 CFGG GPIO Configuration Register G (Pads 48-49)
0x40010060 PADKEY Key Register for all pad configuration registers
0x40010080 RDA GPIO Input Register A
0x40010084 RDB GPIO Input Register B
0x40010088 WTA GPIO Output Register A
0x4001008C WTB GPIO Output Register B
0x40010090 WTSA GPIO Output Register A Set
0x40010094 WTSB GPIO Output Register B Set
0x40010098 WTCA GPIO Output Register A Clear
0x4001009C WTCB GPIO Output Register B Clear
0x400100A0 ENA GPIO Enable Register A
0x400100A4 ENB GPIO Enable Register B
0x400100A8 ENSA GPIO Enable Register A Set
0x400100AC ENSB GPIO Enable Register B Set
0x400100B4 ENCA GPIO Enable Register A Clear
0x400100B8 ENCB GPIO Enable Register B Clear
0x400100BC STMRCAP STIMER Capture Control