User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 283 of 909 2019 Ambiq Micro, Inc.
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8.15.1 Register Memory Map
Table 395: IOM Register Map
Address(s) Register Name Description
0x50004000
0x50005000
0x50006000
0x50007000
0x50008000
0x50009000
FIFO FIFO Access Port
0x50004100
0x50005100
0x50006100
0x50007100
0x50008100
0x50009100
FIFOPTR FIFO size and remaining slots open values
0x50004104
0x50005104
0x50006104
0x50007104
0x50008104
0x50009104
FIFOTHR FIFO Threshold Configuration
0x50004108
0x50005108
0x50006108
0x50007108
0x50008108
0x50009108
FIFOPOP FIFO POP register
0x5000410C
0x5000510C
0x5000610C
0x5000710C
0x5000810C
0x5000910C
FIFOPUSH FIFO PUSH register
0x50004110
0x50005110
0x50006110
0x50007110
0x50008110
0x50009110
FIFOCTRL FIFO Control Register
0x50004114
0x50005114
0x50006114
0x50007114
0x50008114
0x50009114
FIFOLOC FIFO Pointers
0x50004200
0x50005200
0x50006200
0x50007200
0x50008200
0x50009200
INTEN IO Master Interrupts: Enable