User Manual

Apollo3 Blue Datasheet

DS-A3-0p9p1 Page 364 of 909 2019 Ambiq Micro, Inc.

10.4.1 Register Memory Map

Table 525: PDM Register Map

Address(s) Register Name Description

0x50011000 PCFG PDM Configuration Register

0x50011004 VCFG Voice Configuration Register

0x50011008 VOICESTAT Voice Status Register

0x5001100C FIFOREAD FIFO Read

0x50011010 FIFOFLUSH FIFO Flush

0x50011014 FIFOTHR FIFO Threshold

0x50011200 INTEN IO Master Interrupts: Enable

0x50011204 INTSTAT IO Master Interrupts: Status

0x50011208 INTCLR IO Master Interrupts: Clear

0x5001120C INTSET IO Master Interrupts: Set

0x50011240 DMATRIGEN DMA Trigger Enable Register

0x50011244 DMATRIGSTAT DMA Trigger Status Register

0x50011280 DMACFG DMA Configuration Register

0x50011288 DMATOTCOUNT DMA Total Transfer Count

0x5001128C DMATARGADDR DMA Target Address Register

0x50011290 DMASTAT DMA Status Register