Microsemi SmartFusion2 - Figure 246 Configuring Gpios as Input, Output, Tristate, or Bi-Directional

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MSS GPIO

UG0331 User Guide Revision 15.0 571

To configure a GPIO to simultaneously connect with fabric, select the Advanced Options and Fabric

check boxes in Libero SoC, as shown in the following figure.

Figure 246 • Configuring GPIOs as Input, Output, Tristate, or Bi-directional

Connectivity Preview

GPIOs have access to IO_A or IO_B MSIOs. If an MSIO is used by any shared peripheral, GPIOs cannot

access those particular MSIOs. GPIOs can be connected directly to the fabric by selecting FABRIC_A or

FABRIC_B.

GPIOs connecting to MSIOs can also be shared with fabric using the Advanced Options of the MSS

GPIO configurator.

Main Page

Default Chapter3
- Table of Contents3
Revision History35
- Revision 15.035
- Revision 14.035
- Revision 13.035
- Revision 12.035
- Revision 6.035
- Revision 11.036
- Revision 10.036
- Revision 9.036
- Revision 8.036
- Revision 7.036
- Revision 5.037
- Revision 4.037
- Revision 3.038
- Revision 2.038
- Revision 1.038
- Table 59 Table38
Cortex-M3 Processor Overview and Debug Features40
- Features40
- Functional Description41
- Figure 1 Cortex-M3 Processor R2P1 Block Diagram as Implemented in the Smartfusion2 Soc FPGA41
- Cortex-M3 Processor NVIC42
- Table 1 Cortex-M3 Processor Exceptions42
- Table 2 Cortex-M3 Processor Interrupts42
- Cortex-M3 Processor Systick Timer46
- Cortex-M3 Processor Debug Subsystem46
- Cortex-M3 Processor Port Descriptions49
- Table 4 Port Details of the Cortex-M3-Subsystem49
- How to Use the Cortex-M3 Processor and the Debug Subsystem50
Cortex-M3 Processor (Reference Material)52
- Figure 4 Cortex-M3 Processor Implementation52
- Cortex-M3 Processor Features and Benefits Summary53
- Integrated Configurable Debug53
- System Level Interface53
- Cortex-M3 Processor Core Peripherals54
- Cortex-M3 Processor Description54
- Cortex-M3 Processor Instruction Set81
- Cortex-M3 Processor Peripherals128
Cache Controller167
- Features167
- Figure 56 Cache Controller Interfaces to Cortex-M3 Processor, AHB Bus Matrix, and MDDR Bridge167
- Functional Description168
- How to Use Cache Controller177
Embedded NVM (Envm) Controllers179
- Features179
- Figure 65 Envm Connection to AHB Bus Matrix179
- Functional Description180
- Security193
- How to Use Envm199
- SYSREG Control Registers208
- Table 102 Available Apis for Envm208
- Table 103 SYSREG Control Registers208
- Envm_Status208
- Envm Control Registers214
Embedded SRAM (Esram) Controllers221
- Features221
- Functional Description222
  - Figure 95 Esram_0 and Esram_1 Connection to AHB Bus Matrix222
  - Table 118 Esram Block Sizes and Address Ranges222
  - Figure 96 Esram Controller Block Diagram223
  - Memory Organization224
  - Table 119 SRAM Organization in SECDED-ON Mode224
  - Table 120 SRAM Organization in SECDED-OFF Mode224
  - Table 461 ERROR_STATUS224
  - Modes of Operation225
  - Pipeline Modes and Wait States for Read and Write Operations225
  - Table 669 EDAC_CR225
  - Table 121 Wait States in Different Operation Modes226
- How to Use Esram228
- Figure 97 System Builder Window228
- Figure 98 System Builder - Microcontroller Tab229
- Figure 99 System Builder - SECDED Tab230
- Figure 100 System Builder - Security Tab231
- SYSREG Control Registers232
- Table 122 SYSREG Control Registers232
- Esram_Max_Lat232
- Esram_Pipeline_Cr232
- Esram0_Edac_Cnt232
- Esram1_Edac_Cnt232
- Esram0_Edac_Adr232
- Esram1_Edac_Adr232
- Mm0_1_2_Security232
- Mm4_5_Ddr_Fic_Security/Mm4_5_Fic64_Security232
  - Table 595 STATUS233
  - Table 731 MM9_SECURITY233
  - Table 123 ESRAM_CR234
  - Table 124 ESRAM_MAX_LAT234
  - Table 125 Esram Maximum Latency Values234
  - Table 126 ESRAM_PIPELINE_CR235
  - Table 130 ESRAM1_EDAC_ADR236
  - Table 132 MM4_5_DDR_FIC_SECURITY/MM4_5_FIC64_SECURITY237
- Table 134 MM9_SECURITY239
- Table 135 EDAC_SR240
- Table 136 CLR_EDAC_COUNTERS241
- Table 137 EDAC_IRQ_ENABLE_CR242
- Table 138 EDAC_CR243
AHB Bus Matrix244
- Figure 101 AHB Bus Matrix Masters and Slaves244
- Functional Description245
- How to Use AHB Bus Matrix267
- Register Map269
- Table 133 MM3_6_7_8_SECURITY269
- Table 147 AHB Bus Matrix Register Map269
High Performance DMA Controller270
- Figure 120 HPDMA Interfacing with MSSDDR Bridge and AHB Bus Matrix270
- Features271
- Figure 121 HPDMA Controller Block Diagram271
- Functional Description271
- How to Use HPDMA275
- HPDMA Controller Register Map280
- Hpdmad2Sar_Reg280
- Hpdmad3Sar_Reg280
- Table 149 HPDMA Register Map280
- SYSREG Control Register297
- Table 172 HPDMADR_REG297
- Table 173 SYSREG Control Registers297
Peripheral DMA298
- Features298
- Figure 129 PDMA Interfacing with AHB Bus Matrix298
- Functional Description299
- How to Use the PDMA305
- PDMA Register Map309
- SYSREG Control Registers317
- Table 189 SYSREG Control Registers317
Universal Serial Bus OTG Controller318
- Features318
- Functional Description319
- How to Use USB OTG Controller334
Ethernet MAC408
- Features408
- Figure 152 MSS Showing a TSEMAC408
- Functional Description409
  - EMAC Functional Blocks409
  - Figure 153 TSEMAC Block Diagram409
- TSEMAC PHY Interfaces411
- Table 320 MII Ports412
- Table 322 TBI Ports413
- Figure 154 RMII, RGMII, RTBI, Revmii, SMII Derived from Available Protocols by Appropriate Wrapper in Fabric414
- Figure 155 TBI Brought to Fabric for EPCS Soft IP for SGMII Interface414
- EMAC Operation415
  - Table 323 Tx/Rx Descriptor415
  - Table 324 Packetstartaddr415
  - Table 325 Packet Size415
  - Table 326 Next Descriptor416
  - Transmit Operation416
  - Receive Operation417
- How to Use TSEMAC418
  - Figure 156 External PHY Interface Selection in MSS EMAC Configurator418
  - Figure 157 Line Speed Selection in MSS EMAC Configurator419
  - Figure 158 External PHY Management Interface Selections in MSS EMAC Configurator420
  - Figure 159 MSS Ethernet Configurator with TBI Interface421
  - Figure 160 SGMII Interface Signals: TBI to SERDES421
  - SGMII Interface Configuration421
  - Figure 161 I/O Editor with SGMII and PHY Ports422
  - Figure 162 SECDED Configurator with Ethernet TX RAM and Ethernet RX RAM Configuration Options423
  - SECDED Features for TSEMAC Buffers423
  - Figure 163 Firmware Catalog Showing the Generation of Sample Project for TSEMAC424
  - Table 327 TSEMAC Firmware Drivers for Initialization and Configuration425
  - Table 328 TSEMAC Firmware Drivers for Ethernet PHY Management425
  - Table 329 TSEMAC Firmware Drivers for Transmit and Receive Operations425
- SYSREG Control Register for EMAC426
- Table 330 TSEMAC Firmware Drivers for Reading Status and Statistics426
- Table 331 MAC_CR Register in SYSREG Block426
- EMAC Configuration Register Summary427
- Table 332 EMAC M-AHB Register Map427
- Table 333 EMAC PE-MCXMAC Register Map427
- Dma_Irq427
- Mii_Command427
- Mii_Address427
- Mii_Ctrl427
- Table 334 EMAC A-MCXFIFO Register Map428
- Mii_Status428
- Station_Address1428
- Station_Address2428
- Fifo_Cfg1428
- Fifo_Cfg3428
- Fifo_Cfg4428
- Table 335 EMAC PE-MSTAT Transmit and Receive Counters Register Map429
- Table 336 EMAC PE-MSTAT Receive Counters Register Map429
- Tr1K429
- Trmax429
- Trmgv429
- Rbyt429
- Rpkt429
- Rfcs429
- Rbca429
- Rxcf429
- Table 337 EMAC PE-MSTAT Transmit Counters Register Map430
- Raln430
- Rflr430
- Rcde430
- Rcse430
- Rund430
- Rovr430
- Rfrg430
- Rjbr430
- Rdrp430
- Table 338 EMAC M-SGMII Register Map431
- EMAC Register Bit Definitions433
  - Table 342 DMA_RX_CTRL434
  - Table 347 CFG1435
  - Table 354 MII_COMMAND440
  - Table 355 MII_ADDRESS441
- Table 401 TBYT455
- Table 403 TMCA455
- Tscl456
- Tmcl456
- Tlcl456
- Txcl456
- Table 406 TDFR456
- Tncl457
- Tpfh457
- Tdrp457
- Tjbr457
- Tfcs457
- Table 417 TXCF457
- Table 412 TNCL457
- Tovr458
- Tund458
- Tfrg458
- Table 421 CAR1458
- Table 418 TOVR458
- Table 422 CAR2459
- Table 423 CAM1460
- Table 424 CAM2461
- Table 425 SGMII CONTROL463
- Table 426 SGMII STATUS463
- Table 427 an SGMII ADVERTISEMENT464
- An Link Partner Base465
- Table 429 an EXPANSION465
- An Next Page Transmit465
- Table 431 an NEXT466
- Table 432 EXTENDED STATUS466
- Table 433 JITTER DIAGNOSTICS467
- Table 434 TBI CONTROL467
- Coremacfilter Overview468
  - Features468
  - Figure 164 Coremacfilter Interaction with MSS MAC and GMII Ethernet PHY469
  - Figure 165 Coremacfilter Interaction with MSS MAC and SGMII Ethernet PHY469
CAN Controller470
- Features470
- Functional Description471
- CAN Controller Configuration476
- How to Use the MSS CAN Controller480
- Use Cases482
- CAN Controller Register Map485
MMUART Peripherals503
- Figure 178 MSS Showing MMUART Peripherals504
- Functional Description504
20 Watchdog Timer572
- Features572
- Figure 229 I 2 C Block Diagram573
- Functional Description573
  - Figure 230 8-Bit Data Transfer Cycle574
  - Port List574
  - Table 517 I 2 C Interface Signals574
  - Initialization575
  - Details of Operation576
- Figure 231 Pmbus and Smbus Devices Interface577
- Design Flow578
- Figure 233 MSS I2C Configurator579
- Figure 234 I 2 C Interface Signals579
- Figure 235 I 2 C Driver User's Guide580
- Table 519 MSS I 2 C Apis580
- Figure 236 I 2 C Sample Project581
- Figure 237 Interfacing External EEPROM to MSS I2C_0 - Block Diagram582
- Table 520 I 2 C Register Map584
- Table 521 Control Register (CTRL)585
- Table 522 Clock Rate (CR)585
- Table 524 Status Register - Master-Transmitter Mode586
- Table 525 STATUS Register - Master-Receiver Mode587
- Table 526 STATUS Register - Slave-Receiver Mode588
- Table 527 STATUS Register – Slave-Transmitter Mode590
- Data Register592
- Slave0 Address Register593
- Frequency Register594
- Glitch Register595
- Figure 239 GPIO Connected on APB Slave in MSS596
- Features596
- Figure 240 GPIO, IOMUX, and MSIO597
- MSS GPIO Functional Description597
  - Figure 241 MSS GPIO Block Diagram598
  - Figure 242 GPIO Configuration Register (GPIO_X_CFG)599
  - MSS GPIO Configuration Registers (GPIO_X_CFG)599
  - MSS GPIO Reset Functionality600
  - Figure 243 Enable GPIO in MSS Configurator602
- MSS GPIO Usage602
  - Figure 244 MSS GPIO Configurator603
  - Figure 245 Configuring GPIO Byte-Wise Reset604
  - Figure 246 Configuring Gpios as Input, Output, Tristate, or Bi-Directional605
  - Figure 247 Connectivity Preview606
  - Figure 248 GPIO Signals606
  - MSS GPIO Use Models607
  - Figure 249 GPIO Loopback Diagram608
- GPIO Register Map608
  - SYSREG Block Registers610
  - MSS GPIO Definitions611
  - GPIO System Reset Control Register612
  - Figure 250 Interfacing of COMM_BLK with AHB Bus Matrix627
- Functional Description627
  - Figure 251 Interfacing of COMM_BLK with System Controller628
  - Frame/Command Marker628
  - Clocks629
  - Figure 252 System Services Driver in Firmware Core Configurator630
  - Figure 253 System Services Driver Folder Hierarchy630
- How to Use the Communication Block630
  - Table 593 COMM_BLK Register Map631
  - Use Model631
  - Table 594 CONTROL632
- COMM_BLK Register Interface Details632
  - Interrupt Enable Register633
  - Word Data Register634
  - Figure 254 Microcontroller Subsystem Showing RTC635
- Features635
- Figure 255 RTC Block Diagram636
- Table 601 Calendar Counter Description636
- Functional Description636
  - Port List637
  - Table 602 RTC Interface Signals637
  - Details of Operation638
  - Design Flow639
  - Figure 256 Enabling RTC in the Libero SOC Design MSS Configurator639
  - Figure 257 RTC Configuration Window640
  - Figure 258 RTC Signals640
  - Figure 259 RTC Driver User Guide641
  - Table 603 RTC Apis641
  - Figure 260 RTC Examples642
  - RTC Use Model642
  - Counter Bit Positions643
  - Table 604 Allocation of Bits in Calendar Mode643
  - Table 605 Register Bit Allocation643
  - Table 606 Register Map for RTC643
  - Control Register644
  - Table 607 Control644
  - Mode Register645
  - Table 608 Mode645
  - Table 609 Prescaler645
  - Table 610 Alarm and Compare646
  - Table 611 Date and Time646
  - SYSREG Control Registers647
  - Table 612 the RTC_WAKEUP_CR in the SYSREG Block647
  - Features648
  - Figure 261 MSS Showing Timer Peripherals648
  - Figure 262 Timer Block Diagram649
  - Port List649
  - Table 613 Timer Interface Signals649
  - Table 614 Soft Reset Bit Definitions for System Peripheral649
  - Details of Operation650
  - Figure 263 Block Diagram 32-Bit Mode652
  - Figure 264 Block Diagram 64-Bit Mode652
  - Timxbgloadval652
  - Timxloadval652
  - Timx_Val652
  - Figure 265 Timer Driver User Guide653
  - Table 615 MSS Timer Apis653
- How to Use Timer653
  - Figure 266 Generating Sample Project655
  - Timer Use Models655
  - Table 616 Timer Register Map656
  - Tim64_Bgloadval_L656
  - Tim64_Bgloadval_U656
  - Tim64_Ris656
  - Tim64_Val_L656
  - Tim64_Val_U656
  - Tim64_Mis657
  - Tim64_Mode657
  - Timer X Value Register657
  - Timer X Raw Interrupt Status Register658
  - Timer X Masked Interrupt Status Register659
  - Timer 64 Load Value Lower Register660
  - Table 629 TIM64_CTRL661
  - Timer 64 Background Load Value Lower Register661
  - Timer 64 Raw Interrupt Status Register662
  - Features663
    - Figure 267 Microcontroller Subsystem Showing Watchdog Timer663
    - Figure 268 Block Diagram for the Watchdog Timer664
    - Functional Description664
    - Port List665
  - Table 633 Watchdog Timer Interface Signals665
  - Figure 269 Watchdog Timer Counter666
- How to Use the Watchdog Timer667
  - Design Flow668
  - Figure 270 Enabling Watchdog Timer in the Libero SOC Design MSS Configurator668
  - Figure 271 Watchdog Timer Configuration Window669
  - Figure 272 Watchdog Timer Signals669
  - Figure 273 RTC Driver User Guide670
  - Table 634 Watchdog Timer Apis670
  - Figure 274 Watchdog Timer Examples671
  - Watchdog Timer Use Models671
  - Table 635 Watchdog Timer Register Interface Summary672
  - Wdogload672
  - Wdogmvrp672
  - Wdogrefresh672
  - Wdogvalue672
  - Table 638 WDOGMVRP673
  - Table 640 WDOGENABLE673
  - Table 641 WDOGCONTROL674
  - Table 642 WDOGSTATUS674
  - Table 643 WDOGRIS674
  - Table 644 Watchdog Timer SYSREG675
- SYSREG Control Registers675
- Figure 275 Reset Signals Distribution in Smartfusion2 Devices676
- Reset Controller676
- Figure 276 Conceptual Block Diagram of Power-On Reset Generation677
- Functional Description677
- Figure 277 Power on Reset Delay Configuration678
- Figure 278 SYSRESET Macro678
- Figure 279 Power up to Functional Time Sequence Diagram679
- Power-Up to Functional Time Data680
- Figure 280 VDD Power-Up to Functional Time Design Setup681
- Figure 281 VDD Power-Up to Functional Timing Diagram682
- Table 645 VDD Power-Up to Functional Time682
- Figure 282 VDD Power-Up to Functional Time Flow684
- Figure 283 DEVRST_N Power-Up to Functional Timing685
- Table 646 DEVRST_N Power-Up to Functional Time685
- Figure 284 DEVRST_N Power-Up to Functional Time Flow687
- Figure 285 Functional Block Diagram of Reset Controller During Power-On Reset688
- Figure 286 SYSRESET_N Generation689
- Figure 287 Functional Block Diagram of Reset Controller During SYSRESET_N689
- Figure 288 Reset Controller with Only Block Level Resets690
- Figure 289 M3_SYS_RESET_N Generation691
- Figure 290 MDDR_AXI_RESET_N Generation691
- Figure 291 MDDR_APB_RESET_N Generation692
- Figure 292 WDOG_RESET_N Generation692
- Figure 293 FIC_2_APB_M_PRESET_N Generation693
- Table 647 GPIO_OUT Bank Reset Generation693
- Figure 294 MSS GPIO_OUT Reset Generation694
- Figure 295 Block Level Reset Generation694
- Coreresetp Soft Reset Controller694
  - Figure 296 MSS_READY Signal Generation695
  - Reset Topology695
  - Figure 297 Coreresetp Connectivity with Peripheral Resets696
  - Figure 298 Coreresetp Connectivity with SERDES_IF Block697
  - Implementation697
  - Figure 299 Timing for Reset Signals Initiated by the Assertion of POWER_N_RESET_N698
  - Figure 300 Timing for Reset Signals Initiated by the Assertion of FIC_2_APB_M_PRESET_N698
  - Timing Diagrams698
  - Figure 301 Timing for Reset Signals Initiated by the Assertion of EXT_RESET_IN_N699
  - Figure 302 Timing for Reset Signals Initiated by the Assertion of USER_FAB_RESET_IN_N699
  - Figure 303 Ramp Delay Configuration700
  - Figure 304 Configuring Reset700
- How to Use the Reset Controller700
  - Figure 305 Configuring Reset701
  - Figure 306 Connecting Fabric Logic701
  - Figure 307 Initialization Sub-System with Coreresetp Soft IP702
  - Figure 308 Initialization Sub-System for FIC Sub-Systems703
  - SYSREG Control Registers703
  - Table 648 Switch Register Map703
  - Figure 309 Register Write Protect704
  - SYSREG Block Register Write Protection704
  - Figure 310 Field Write Protect705
  - Figure 311 Bit Write Protect705
  - Table 649 Register Types705
  - Figure 312 RW-P Type706
  - Figure 313 RW Type707
  - Figure 314 RO Type707
  - Figure 315 RO-P Type708
  - Figure 316 RO-U Type708
  - Figure 317 Register Lock Bit Settings708
- Register Lock Bits Configuration708
- Figure 318 Lock Bit Configuration File709
- Table 650 SYSREG710
- Esram_Max_Lat710
- Envm_Remap_Base_Cr710
- Envm_Remap_Fab_Cr710
- Cc_Region_Cr710
- Cc_Lock_Base_Addr_Cr710
- Cc_Flush_Indx_Cr710
- Ddrb_Buf_Timer_Cr710
- Ddrb_Nb_Addr_Cr710
- Ddrb_Nb_Size_Cr710
- Master_Weight1_Cr711
- Soft_Irq_Cr711
- M3_Cr711
- Mddr_Cr711
- Wdog_Cr711
- Esram_Pipeline_Cr711
- Mss_Irq_Enable_Cr711
- Mac_Stat_Clronrd_Cr712
- Reset_Source_Cr712
- Cc_Dc_Err_Addr_Sr712
- Cc_Ic_Err_Addr_Sr712
- Cc_Sb_Err_Addr_Sr712
- Cc_Ic_Miss_Cntr_Sr712
- Cc_Ic_Hit_Cntr_Sr712
- Cc_Dc_Miss_Cntr_Sr712
- Cc_Dc_Hit_Cntr_Cr712
- Cc_Ic_Trans_Cntr_Sr712
- Ddrb_Hpd_Err_Adr_Sr713
- Ddrb_Dsbl_Dn_Sr713
- Esram0_Edac_Cnt713
- Esram1_Edac_Cnt713
- Mac_Edac_Tx_Cnt713
- Mac_Edac_Rx_Cnt713
- Usb_Edac_Cnt713
- Can_Edac_Cnt713
- Esram0_Edac_Adr713
- Esram1_Edac_Adr713
- M3_Sr714
- Etm_Count_Low714
- Etm_Count_High714
- Device_Sr714
- Device_Version714
- Mddr_Io_Calib_Status714
- Wdogload714
- Wdogmvrp714
- Fab_Prot_Size715
- Fab_Prot_Base715
- Mss_Gpio_Def715
- Mss_Internal_Sr715
- Wdogtimeoutevent715
- Clr_Mss_Counters715
- Mac_Stat_Clr_Cr715
- Iomuxcell_Config[N]715
- Table 651 Subset of System Registers716
- Register Details716
  - Esram Configuration Register717
  - Table 654 Esram Maximum Latency Values718
  - DDR Configuration Register718
  - Table 656 ENVM_CR719
  - Envm Remap Base Address Control Register720
  - Envm FPGA Fabric Remap Base Address Register721
  - Table 660 CC_CR722
  - Cache Region Control Register722
  - MSS DDR Bridge Buffer Timer Control Register723
  - MSS DDR Bridge Configuration Register724
  - Table 668 DDRB_CR725
  - EDAC Configuration Register725
  - Table 670 MASTER_WEIGHT0_CR726
  - Table 672 Programmable Weight Values726
  - Master Weight Configuration Register 1726
  - Software Interrupt Register727
  - Table 674 SOFT_RESET_CR728
  - M3 Configuration Register729
  - Table 676 FAB_IF_CR730
  - Loopback Control Register730
  - GPIO Input Source Select Control Register731
  - USB I/O Input Select Control Register732
  - Watchdog Configuration Register733
  - USB Configuration Register735
16 Mss Gpio597
21 Reset Controller627
18 RTC System635
24 Fabric Interface Controller636
22 System Register Block704
- RTC Wake up Configuration Register736
- MSS DDR PLL Status Low Configuration Register737
- MSS DDR PLL Status High Configuration Register738
- MSS DDR Fabric Alignment Clock Controller (FACC) Configuration Register 1739
- Table 695 Clock Ratio741
- MSS DDR Fabric Alignment Clock Controller Configuration Register 2741
- Table 696 MSSDDR_FACC2_CR742
- PLL LOCK Enable Control Register743
- MAC Status Clear on Read Control Register744
- Dcode Bus Error Address Status Register745
- Dcode Miss Control Status Register746
- MSS DDR Bridge DS Master Error Address Status Register747
- MSS DDR Bridge Buffer Empty Status Register748
- Esram0 EDAC Count749
- USB EDAC Count750
- MAC EDAC Receiver Address Register751
- Table 728 MM0_1_2_SECURITY752
- Table 729 MM4_5_DDR_FIC_SECURITY/MM4_5_FIC64_SECURITY752
- Security Configuration Register for Masters 0, 1, and 2752
- Table 730 MM3_6_7_8_SECURITY753
- Security Configuration Register for Masters 3, 6, 7, and 8753
- Security Configuration Register for Master 9754
- M3 Status Register755
- Device Status Register756
- Table 736 ENVM_PROTECT_USER757
- Smart Fusion2 Envm Status Register758
- Table 739 MSSDDR_PLL_STATUS759
- USB Status Register759
- DDRB Status Register760
- Table 747 USERCONFIG0761
- Table 748 USERCONFIG1761
- MSS DDR Clock Calibration Status761
  - Table 749 USERCONFIG2762
  - Table 750 USERCONFIG3762
  - Table 752 Region Size762
  - User Configuration Register 2762
  - Fabric Protected Base Address Register763
  - MSS GPIO Definitions764
  - MSS Internal Status Register765
  - Table 757 MSS_EXTERNAL_SR766
  - Watchdog Timeout Event767
  - Flush Configuration Register768
  - Table 760 CLR_EDAC_COUNTERS768
  - MAC Status Clear Control Register769
  - Table 761 FLUSH_CR769
  - Iomuxcell_Config[N] Configuration Register770
  - Table 764 MSS_IOMUXSEL5 [N][2:0]771
  - Table 765 MSS_IOMUXSEL4[N][2:0]771
  - Figure 319 the FIIC Connection to AHB Bus Matrix772
Fabric Interface Interrupt Controller772
- Figure 320 Block Diagram for Fabric Interface Interrupt Controller773

Microsemi SmartFusion2 - Figure 246 Configuring Gpios as Input, Output, Tristate, or Bi-Directional

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