User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 339 of 909 2019 Ambiq Micro, Inc.
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9.13.1 Register Memory Map
Table 470: IOSLAVE Register Map
Address(s) Register Name Description
0x50000100 FIFOPTR Current FIFO Pointer
0x50000104 FIFOCFG FIFO Configuration
0x50000108 FIFOTHR FIFO Threshold Configuration
0x5000010C FUPD FIFO Update Status
0x50000110 FIFOCTR Overall FIFO Counter
0x50000114 FIFOINC Overall FIFO Counter Increment
0x50000118 CFG I/O Slave Configuration
0x5000011C PRENC I/O Slave Interrupt Priority Encode
0x50000120 IOINTCTL I/O Interrupt Control
0x50000124 GENADD General Address Data
0x50000200 INTEN IO Slave Interrupts: Enable
0x50000204 INTSTAT IO Slave Interrupts: Status
0x50000208 INTCLR IO Slave Interrupts: Clear
0x5000020C INTSET IO Slave Interrupts: Set
0x50000210 REGACCINTEN Register Access Interrupts: Enable
0x50000214 REGACCINTSTAT Register Access Interrupts: Status
0x50000218 REGACCINTCLR Register Access Interrupts: Clear
0x5000021C REGACCINTSET Register Access Interrupts: Set