SPRS709D November   2010  – March 2014 AM1810

PRODUCTION DATA.  

  1. 1 AM1810 ARM Microprocessor For PROFIBUS
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. 2Revision History
  3. 3Device Overview
    1. 3.1 Device Characteristics
    2. 3.2 Device Compatibility
    3. 3.3 ARM Subsystem
      1. 3.3.1 ARM926EJ-S RISC CPU
      2. 3.3.2 CP15
      3. 3.3.3 MMU
      4. 3.3.4 Caches and Write Buffer
      5. 3.3.5 Advanced High-Performance Bus (AHB)
      6. 3.3.6 Embedded Trace Macrocell (ETM) and Embedded Trace Buffer (ETB)
      7. 3.3.7 ARM Memory Mapping
    4. 3.4 Memory Map Summary
    5. 3.5 Pin Assignments
      1. 3.5.1 Pin Map (Bottom View)
    6. 3.6 Pin Multiplexing Control
    7. 3.7 Terminal Functions
      1. 3.7.1  Device Reset and JTAG
      2. 3.7.2  High-Frequency Oscillator and PLL
      3. 3.7.3  Real-Time Clock and 32-kHz Oscillator
      4. 3.7.4  DEEPSLEEP Power Control
      5. 3.7.5  External Memory Interface A (EMIFA)
      6. 3.7.6  DDR2/mDDR Memory Controller
      7. 3.7.7  Serial Peripheral Interface Modules (SPI)
      8. 3.7.8  PROFIBUS Real-Time Unit (PRU)
      9. 3.7.9  Enhanced Capture/Auxiliary PWM Modules (eCAP0)
      10. 3.7.10 Enhanced Pulse Width Modulators (eHRPWM)
      11. 3.7.11 Boot
      12. 3.7.12 Universal Asynchronous Receiver/Transmitters (UART0, UART1, UART2)
      13. 3.7.13 Inter-Integrated Circuit Modules(I2C0, I2C1)
      14. 3.7.14 Timers
      15. 3.7.15 Multichannel Audio Serial Ports (McASP)
      16. 3.7.16 Multichannel Buffered Serial Ports (McBSP)
      17. 3.7.17 Universal Serial Bus Modules (USB0, USB1)
      18. 3.7.18 Ethernet Media Access Controller (EMAC)
      19. 3.7.19 Multimedia Card/Secure Digital (MMC/SD)
      20. 3.7.20 Liquid Crystal Display Controller(LCD)
      21. 3.7.21 Serial ATA Controller (SATA)
      22. 3.7.22 Universal Host-Port Interface (UHPI)
      23. 3.7.23 Universal Parallel Port (uPP)
      24. 3.7.24 Video Port Interface (VPIF)
      25. 3.7.25 General Purpose Input Output
      26. 3.7.26 Reserved and No Connect
      27. 3.7.27 Supply and Ground
    8. 3.8 Unused Pin Configurations
  4. 4Device Configuration
    1. 4.1 Boot Modes
    2. 4.2 SYSCFG Module
    3. 4.3 Pullup/Pulldown Resistors
  5. 5Specifications
    1. 5.1 Absolute Maximum Ratings Over Operating Junction Temperature Range (Unless Otherwise Noted)
    2. 5.2 Handling Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Notes on Recommended Power-On Hours (POH)
    5. 5.5 Electrical Characteristics Over Recommended Ranges of Supply Voltage and Operating Junction Temperature (Unless Otherwise Noted)
  6. 6Peripheral Information and Electrical Specifications
    1. 6.1  Parameter Information
      1. 6.1.1 Parameter Information Device-Specific Information
        1. 6.1.1.1 Signal Transition Levels
    2. 6.2  Recommended Clock and Control Signal Transition Behavior
    3. 6.3  Power Supplies
      1. 6.3.1 Power-On Sequence
      2. 6.3.2 Power-Off Sequence
    4. 6.4  Reset
      1. 6.4.1 Power-On Reset (POR)
      2. 6.4.2 Warm Reset
      3. 6.4.3 Reset Electrical Data Timings
    5. 6.5  Crystal Oscillator or External Clock Input
    6. 6.6  Clock PLLs
      1. 6.6.1 PLL Device-Specific Information
      2. 6.6.2 Device Clock Generation
      3. 6.6.3 Dynamic Voltage and Frequency Scaling (DVFS)
    7. 6.7  Interrupts
      1. 6.7.1 ARM CPU Interrupts
        1. 6.7.1.1 ARM Interrupt Controller (AINTC) Interrupt Signal Hierarchy
        2. 6.7.1.2 AINTC Hardware Vector Generation
        3. 6.7.1.3 AINTC Hardware Interrupt Nesting Support
        4. 6.7.1.4 AINTC System Interrupt Assignments
        5. 6.7.1.5 AINTC Memory Map
    8. 6.8  Power and Sleep Controller (PSC)
      1. 6.8.1 Power Domain and Module Topology
        1. 6.8.1.1 Module States
    9. 6.9  EDMA
      1. 6.9.1 EDMA3 Channel Synchronization Events
      2. 6.9.2 EDMA Peripheral Register Descriptions
    10. 6.10 External Memory Interface A (EMIFA)
      1. 6.10.1 EMIFA Asynchronous Memory Support
      2. 6.10.2 EMIFA Synchronous DRAM Memory Support
      3. 6.10.3 EMIFA SDRAM Loading Limitations
      4. 6.10.4 External Memory Interface Register Descriptions
      5. 6.10.5 EMIFA Electrical Data/Timing
    11. 6.11 DDR2/mDDR Memory Controller
      1. 6.11.1 DDR2/mDDR Memory Controller Electrical Data/Timing
      2. 6.11.2 DDR2/mDDR Controller Register Description(s)
      3. 6.11.3 DDR2/mDDR Interface
        1. 6.11.3.1  DDR2/mDDR Interface Schematic
        2. 6.11.3.2  Compatible JEDEC DDR2/mDDR Devices
        3. 6.11.3.3  PCB Stackup
        4. 6.11.3.4  Placement
        5. 6.11.3.5  DDR2/mDDR Keep Out Region
        6. 6.11.3.6  Bulk Bypass Capacitors
        7. 6.11.3.7  High-Speed Bypass Capacitors
        8. 6.11.3.8  Net Classes
        9. 6.11.3.9  DDR2/mDDR Signal Termination
        10. 6.11.3.10 VREF Routing
        11. 6.11.3.11 DDR2/mDDR CK and ADDR_CTRL Routing
        12. 6.11.3.12 MDDR/DDR2 Boundary Scan Limitations
    12. 6.12 Memory Protection Units
    13. 6.13 MMC / SD / SDIO (MMCSD0, MMCSD1)
      1. 6.13.1 MMCSD Peripheral Description
      2. 6.13.2 MMCSD Peripheral Register Description(s)
      3. 6.13.3 MMC/SD Electrical Data/Timing
    14. 6.14 Serial ATA Controller (SATA)
      1. 6.14.1 SATA Register Descriptions
      2. 6.14.2 SATA Interface
        1. 6.14.2.1 SATA Interface Schematic
        2. 6.14.2.2 Compatible SATA Components and Modes
        3. 6.14.2.3 PCB Stackup Specifications
        4. 6.14.2.4 Routing Specifications
        5. 6.14.2.5 Coupling Capacitors
        6. 6.14.2.6 SATA Interface Clock Source requirements
      3. 6.14.3 SATA Unused Signal Configuration
    15. 6.15 Multichannel Audio Serial Port (McASP)
      1. 6.15.1 McASP Peripheral Registers Description(s)
      2. 6.15.2 McASP Electrical Data/Timing
        1. 6.15.2.1 Multichannel Audio Serial Port 0 (McASP0) Timing
    16. 6.16 Multichannel Buffered Serial Port (McBSP)
      1. 6.16.1 McBSP Peripheral Register Description(s)
      2. 6.16.2 McBSP Electrical Data/Timing
        1. 6.16.2.1 Multichannel Buffered Serial Port (McBSP) Timing
    17. 6.17 Serial Peripheral Interface Ports (SPI0, SPI1)
      1. 6.17.1 SPI Peripheral Registers Description(s)
      2. 6.17.2 SPI Electrical Data/Timing
        1. 6.17.2.1 Serial Peripheral Interface (SPI) Timing
    18. 6.18 Inter-Integrated Circuit Serial Ports (I2C)
      1. 6.18.1 I2C Device-Specific Information
      2. 6.18.2 I2C Peripheral Registers Description(s)
      3. 6.18.3 I2C Electrical Data/Timing
        1. 6.18.3.1 Inter-Integrated Circuit (I2C) Timing
    19. 6.19 Universal Asynchronous Receiver/Transmitter (UART)
      1. 6.19.1 UART Peripheral Registers Description(s)
      2. 6.19.2 UART Electrical Data/Timing
    20. 6.20 Universal Serial Bus OTG Controller (USB0) [USB2.0 OTG]
      1. 6.20.1 USB Peripheral Registers Description(s)
      2. 6.20.2 USB0 [USB2.0] Electrical Data/Timing
    21. 6.21 Universal Serial Bus Host Controller (USB1) [USB1.1 OHCI]
    22. 6.22 Ethernet Media Access Controller (EMAC)
      1. 6.22.1 EMAC Peripheral Register Description(s)
      2. 6.22.2 EMAC Electrical Data/Timing
    23. 6.23 Management Data Input/Output (MDIO)
      1. 6.23.1 MDIO Registers
      2. 6.23.2 Management Data Input/Output (MDIO) Electrical Data/Timing
    24. 6.24 LCD Controller (LCDC)
      1. 6.24.1 LCD Interface Display Driver (LIDD Mode)
      2. 6.24.2 LCD Raster Mode
    25. 6.25 Host-Port Interface (UHPI)
      1. 6.25.1 HPI Device-Specific Information
      2. 6.25.2 HPI Peripheral Register Description(s)
      3. 6.25.3 HPI Electrical Data/Timing
    26. 6.26 Universal Parallel Port (uPP)
      1. 6.26.1 uPP Register Descriptions
      2. 6.26.2 uPP Electrical Data/Timing
    27. 6.27 Video Port Interface (VPIF)
      1. 6.27.1 VPIF Register Descriptions
      2. 6.27.2 VPIF Electrical Data/Timing
    28. 6.28 Enhanced Capture (eCAP) Peripheral
    29. 6.29 Enhanced High-Resolution Pulse-Width Modulator (eHRPWM)
      1. 6.29.1 eHRPWM Register Descriptions
      2. 6.29.2 Enhanced Pulse Width Modulator (eHRPWM) Timing
      3. 6.29.3 Trip-Zone Input Timing
    30. 6.30 Timers
      1. 6.30.1 Timer Electrical Data/Timing
    31. 6.31 Real Time Clock (RTC)
      1. 6.31.1 Clock Source
      2. 6.31.2 Real-Time Clock Register Descriptions
    32. 6.32 General-Purpose Input/Output (GPIO)
      1. 6.32.1 GPIO Register Description(s)
      2. 6.32.2 GPIO Peripheral Input/Output Electrical Data/Timing
      3. 6.32.3 GPIO Peripheral External Interrupts Electrical Data/Timing
    33. 6.33 Programmable Real-Time Unit Subsystem (PRUSS) With PROFIBUS
      1. 6.33.1 PRUSS Register Descriptions
    34. 6.34 Emulation Logic
      1. 6.34.1 JTAG Port Description
      2. 6.34.2 Scan Chain Configuration Parameters
      3. 6.34.3 Initial Scan Chain Configuration
        1. 6.34.3.1 Adding TAPS to the Scan Chain
      4. 6.34.4 IEEE 1149.1 JTAG
        1. 6.34.4.1 JTAG Peripheral Register Description(s) - JTAG ID Register (DEVIDR0)
        2. 6.34.4.2 JTAG Test-Port Electrical Data/Timing
      5. 6.34.5 JTAG 1149.1 Boundary Scan Considerations
  7. 7Device and Documentation Support
    1. 7.1 Device Support
      1. 7.1.1 Development Support
      2. 7.1.2 Device and Development-Support Tool Nomenclature
    2. 7.2 Documentation Support
    3. 7.3 Community Resources
    4. 7.4 Trademarks
    5. 7.5 Electrostatic Discharge Caution
    6. 7.6 Glossary
  8. 8Mechanical Packaging and Orderable Information
    1. 8.1 Thermal Data for ZWT Package

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • ZWT|361
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 Device Configuration

4.1 Boot Modes

This device supports a variety of boot modes through an internal ARM ROM bootloader. This device does not support dedicated hardware boot modes. The input states of the BOOT pins are sampled and latched into the BOOTCFG register, which is part of the system configuration (SYSCFG) module, when device reset is deasserted. Boot mode selection is determined by the values of the BOOT pins.

See Using the OMAP-L1x8 Bootloader Application Report(SPRAB41) for more details on the ROM Boot Loader.

The following boot modes are supported:

  • NAND Flash boot
    • 8-bit NAND
    • 16-bit NAND (supported on ROM revisions after d800k002 -- see the bootloader documents mentioned above to determine the ROM revision)
  • NOR Flash boot
    • NOR Direct boot (8-bit or 16-bit)
    • NOR Legacy boot (8-bit or 16-bit)
    • NOR AIS boot (8-bit or 16-bit)
  • HPI Boot
  • I2C0/I2C1 Boot
    • EEPROM (Master Mode)
    • External Host (Slave Mode)
  • SPI0/SPI1 Boot
    • Serial Flash (Master Mode)
    • SERIAL EEPROM (Master Mode)
    • External Host (Slave Mode)
  • UART0/UART1/UART2 Boot
    • External Host
  • MMC/SD0 Boot

4.2 SYSCFG Module

The following system level features of the chip are controlled by the SYSCFG peripheral:

  • Readable Device, Die, and Chip Revision ID
  • Control of Pin Multiplexing
  • Priority of bus accesses different bus masters in the system
  • Capture at power on reset the chip BOOT pin values and make them available to software
  • Control of the DeepSleep power management function
  • Enable and selection of the programmable pin pullups and pulldowns
  • Special case settings for peripherals:
    • Locking of PLL controller settings
    • Default burst sizes for EDMA3 transfer controllers
    • Selection of the source for the eCAP module input capture (including on chip sources)
    • McASP AMUTEIN selection and clearing of AMUTE status for the McASP
    • Clock source selection for EMIFA
    • DDR2 Controller PHY settings
    • SATA PHY power management controls
  • Selects the source of emulation suspend signal (from ARM) of peripherals supporting this function.

Many registers are accessible only by a host (ARM) when it is operating in its privileged mode. (ex. from the kernel, but not from user space code).

Table 4-1 System Configuration (SYSCFG) Module Register Access

Register Address Register Name Register Description Register Access
0x01C1 4000 REVID Revision Identification Register —
0x01C14008 DIEIDR0 Device Identification Register 0 —
0x01C1400C DIEIDR1 Device Identification Register 1 —
0x01C14010 DIEIDR2 Device Identification Register 2 —
0x01C14014 DIEIDR3 Device Identification Register 3 —
0x01C1 4020 BOOTCFG Boot Configuration Register Privileged mode
0x01C1 4038 KICK0R Kick 0 Register Privileged mode
0x01C1 403C KICK1R Kick 1 Register Privileged mode
0x01C1 4040 HOST0CFG Host 0 Configuration Register —
0x01C1 4044 HOST1CFG Host 1 Configuration Register —
0x01C1 40E0 IRAWSTAT Interrupt Raw Status/Set Register Privileged mode
0x01C1 40E4 IENSTAT Interrupt Enable Status/Clear Register Privileged mode
0x01C1 40E8 IENSET Interrupt Enable Register Privileged mode
0x01C1 40EC IENCLR Interrupt Enable Clear Register Privileged mode
0x01C1 40F0 EOI End of Interrupt Register Privileged mode
0x01C1 40F4 FLTADDRR Fault Address Register Privileged mode
0x01C1 40F8 FLTSTAT Fault Status Register —
0x01C1 4110 MSTPRI0 Master Priority 0 Registers Privileged mode
0x01C1 4114 MSTPRI1 Master Priority 1 Registers Privileged mode
0x01C1 4118 MSTPRI2 Master Priority 2 Registers Privileged mode
0x01C1 4120 PINMUX0 Pin Multiplexing Control 0 Register Privileged mode
0x01C1 4124 PINMUX1 Pin Multiplexing Control 1 Register Privileged mode
0x01C1 4128 PINMUX2 Pin Multiplexing Control 2 Register Privileged mode
0x01C1 412C PINMUX3 Pin Multiplexing Control 3 Register Privileged mode
0x01C1 4130 PINMUX4 Pin Multiplexing Control 4 Register Privileged mode
0x01C1 4134 PINMUX5 Pin Multiplexing Control 5 Register Privileged mode
0x01C1 4138 PINMUX6 Pin Multiplexing Control 6 Register Privileged mode
0x01C1 413C PINMUX7 Pin Multiplexing Control 7 Register Privileged mode
0x01C1 4140 PINMUX8 Pin Multiplexing Control 8 Register Privileged mode
0x01C1 4144 PINMUX9 Pin Multiplexing Control 9 Register Privileged mode
0x01C1 4148 PINMUX10 Pin Multiplexing Control 10 Register Privileged mode
0x01C1 414C PINMUX11 Pin Multiplexing Control 11 Register Privileged mode
0x01C1 4150 PINMUX12 Pin Multiplexing Control 12 Register Privileged mode
0x01C1 4154 PINMUX13 Pin Multiplexing Control 13 Register Privileged mode
0x01C1 4158 PINMUX14 Pin Multiplexing Control 14 Register Privileged mode
0x01C1 415C PINMUX15 Pin Multiplexing Control 15 Register Privileged mode
0x01C1 4160 PINMUX16 Pin Multiplexing Control 16 Register Privileged mode
0x01C1 4164 PINMUX17 Pin Multiplexing Control 17 Register Privileged mode
0x01C1 4168 PINMUX18 Pin Multiplexing Control 18 Register Privileged mode
0x01C1 416C PINMUX19 Pin Multiplexing Control 19 Register Privileged mode
0x01C1 4170 SUSPSRC Suspend Source Register Privileged mode
0x01C1 4174 Reserved —
0x01C1 4178 Reserved —
0x01C1 417C CFGCHIP0 Chip Configuration 0 Register Privileged mode
0x01C1 4180 CFGCHIP1 Chip Configuration 1 Register Privileged mode
0x01C1 4184 CFGCHIP2 Chip Configuration 2 Register Privileged mode
0x01C1 4188 CFGCHIP3 Chip Configuration 3 Register Privileged mode
0x01C1 418C CFGCHIP4 Chip Configuration 4 Register Privileged mode
0x01E2 C000 VTPIO_CTL VTPIO COntrol Register Privileged mode
0x01E2 C004 DDR_SLEW DDR Slew Register Privileged mode
0x01E2 C008 DeepSleep DeepSleep Register Privileged mode
0x01E2 C00C PUPD_ENA Pullup / Pulldown Enable Register Privileged mode
0x01E2 C010 PUPD_SEL Pullup / Pulldown Selection Register Privileged mode
0x01E2 C014 RXACTIVE RXACTIVE Control Register Privileged mode

4.3 Pullup/Pulldown Resistors

Proper board design should ensure that input pins to the device always be at a valid logic level and not floating. This may be achieved via pullup/pulldown resistors. The device features internal pullup (IPU) and internal pulldown (IPD) resistors on most pins to eliminate the need, unless otherwise noted, for external pullup/pulldown resistors.

An external pullup/pulldown resistor needs to be used in the following situations:

  • Boot and Configuration Pins: If the pin is both routed out and 3-stated (not driven), an external pullup/pulldown resistor is strongly recommended, even if the IPU/IPD matches the desired value/state.
  • Other Input Pins: If the IPU/IPD does not match the desired value/state, use an external pullup/pulldown resistor to pull the signal to the opposite rail.

For the boot and configuration pins, if they are both routed out and 3-stated (not driven), it is strongly recommended that an external pullup/pulldown resistor be implemented. Although, internal pullup/pulldown resistors exist on these pins and they may match the desired configuration value, providing external connectivity can help ensure that valid logic levels are latched on these device boot and configuration pins. In addition, applying external pullup/pulldown resistors on the boot and configuration pins adds convenience to the user in debugging and flexibility in switching operating modes.

Tips for choosing an external pullup/pulldown resistor:

  • Consider the total amount of current that may pass through the pullup or pulldown resistor. Make sure to include the leakage currents of all the devices connected to the net, as well as any internal pullup or pulldown resistors.
  • Decide a target value for the net. For a pulldown resistor, this should be below the lowest VIL level of all inputs connected to the net. For a pullup resistor, this should be above the highest VIH level of all inputs on the net. A reasonable choice would be to target the VOL or VOH levels for the logic family of the limiting device; which, by definition, have margin to the VIL and VIH levels.
  • Select a pullup/pulldown resistor with the largest possible value; but, which can still ensure that the net will reach the target pulled value when maximum current from all devices on the net is flowing through the resistor. The current to be considered includes leakage current plus, any other internal and external pullup/pulldown resistors on the net.
  • For bidirectional nets, there is an additional consideration which sets a lower limit on the resistance value of the external resistor. Verify that the resistance is small enough that the weakest output buffer can drive the net to the opposite logic level (including margin).
  • Remember to include tolerances when selecting the resistor value.
  • For pullup resistors, also remember to include tolerances on the IO supply rail.
  • For most systems, a 1-kΩ resistor can be used to oppose the IPU/IPD while meeting the above criteria. Users should confirm this resistor value is correct for their specific application.
  • For most systems, a 20-kΩ resistor can be used to compliment the IPU/IPD on the boot and configuration pins while meeting the above criteria. Users should confirm this resistor value is correct for their specific application.
  • For more detailed information on input current (II), and the low-/high-level input voltages (VIL and VIH) for the device, see Section 5.3, Recommended Operating Conditions.
  • For the internal pullup/pulldown resistors for all device pins, see the peripheral/system-specific terminal functions table.
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