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Apollo3 Blue Datasheet

DS-A3-0p9p1 Page 26 of 909 2019 Ambiq Micro, Inc.

Table 550: DMACFG Register ................................................................................................. 376

Table 551: DMACFG Register Bits ......................................................................................... 376

Table 552: DMATOTCOUNT Register ................................................................................... 377

Table 553: DMATOTCOUNT Register Bits ............................................................................ 377

Table 554: DMATARGADDR Register .................................................................................. 377

Table 555: DMATARGADDR Register Bits ........................................................................... 377

Table 556: DMASTAT Register ............................................................................................... 378

Table 557: DMASTAT Register Bits ....................................................................................... 378

Table 558: Drive Strength Control Bits .................................................................................... 380

Table 559: Apollo3 Blue MCU Pad Function Mapping ........................................................... 381

Table 560: ................................................................................................................................ 382

Table 561: Pad Function Color and Symbol Code .................................................................. 382

Table 562: Special Pad Types ................................................................................................... 382

Table 563: I2C Pullup Resistor Selection ................................................................................. 383

Table 564: NCE Encoding Table .............................................................................................. 385

Table 565: Interrupt Configuration ........................................................................................... 387

Table 566: IO Master 0 I2C Configuration .............................................................................. 390

Table 567: IO Master 1 I2C Configuration .............................................................................. 390

Table 568: IO Master 2 I2C Configuration .............................................................................. 390

Table 569: IO Master 3 I2C Configuration .............................................................................. 391

Table 570: IO Master I2C Configuration ................................................................................. 391

Table 571: IO Master 5 I2C Configuration .............................................................................. 391

Table 572: IO Master 0 4-wire SPI Configuration ................................................................... 391

Table 573: IO Master 1 4-wire SPI Configuration ................................................................... 392

Table 574: IO Master 2 4-wire SPI Configuration ................................................................... 392

Table 575: IO Master 3 4-wire SPI Configuration ................................................................... 392

Table 576: IO Master 4 4-wire SPI Configuration ................................................................... 393

Table 577: IO Master 5 4-wire SPI Configuration ................................................................... 393

Table 578: IO Master 0 3-wire SPI Configuration ................................................................... 393

Table 579: IO Master 1 3-wire SPI Configuration ................................................................... 394

Table 580: IO Master 2 3-wire SPI Configuration ................................................................... 394

Table 581: IO Master 3 3-wire SPI Configuration ................................................................... 394

Table 582: IO Master 4 3-wire SPI Configuration ................................................................... 395

Table 583: IO Master 3-wire SPI Configuration ...................................................................... 395

Table 584: MSPI REG_MSPI_PADCFG Input Mux Configuration ....................................... 396

Table 585: MSPI REG_MSPI_PADCFG Output Mux Configuration ..................................... 396

Table 586: IO Slave I2C Configuration .................................................................................... 397

Table 587: IO Slave 4-wire SPI Configuration ........................................................................ 397

Table 588: IO Slave 3-wire SPI Configuration ........................................................................ 397

Table 589: Counter/Timer Pad Configuration .......................................................................... 398

Table 591: UART0 RX Configuration ..................................................................................... 400

Table 590: UART0 TX Configuration ...................................................................................... 400

Table 592: UART0 RTS Configuration .................................................................................... 401

Table 593: UART0 CTS Configuration .................................................................................... 401

Table 594: UART1 TX Configuration ...................................................................................... 402

Table 595: UART1 RX Configuration ..................................................................................... 402