Datasheet AM2431, AM2432, AM2434 (Texas Instruments) - 3

FabricanteTexas Instruments
DescripciónArm Cortex-R5F based MCU with industrial communications and security up to 800MHz
Páginas / Página316 / 3 — AM2434, AM2432. , AM2431. Functional Safety:. SoC …
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AM2434, AM2432. , AM2431. Functional Safety:. SoC Architecture:. Package options:. TION. NCE INFO

AM2434, AM2432 , AM2431 Functional Safety: SoC Architecture: Package options: TION NCE INFO

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AM2434, AM2432 , AM2431
Functional Safety: SoC Architecture:
• Functional Safety-Compliant Targeted • Supports primary boot from UART, I2C, OSPI/ – Developed for functional safety applications QSPI Flash, SPI Flash, parallel NOR Flash, – Documentation will be available to aid IEC parallel NAND Flash, SD, eMMC, USB 2.0, PCIe, 61508 functional safety system design and Ethernet interfaces – Systematic capability up to SIL 3 • 16-nm FinFET technology – Hardware integrity up to SIL 2 targeted for MCU
Package options:
domain – Quality-managed MAIN Domain • ALV FCBGA (441-pin) (Lidded) Flip-Chip Ball Grid – Safety-related certification Array package, 17.2 mm × 17.2 mm, 0.8-mm pitch • IEC 61508 certification planned • ALX FC/CSP (293-pin) (SiP) Flip-Chip Chip Scale – ECC or parity on calculation-critical memories Package package, 11 mm × 11 mm, 0.5-mm pitch – ECC and parity on select internal bus interconnects – Built-In Self-Test (BIST) for CPU and on-chip RAM – Error Signaling Module (ESM) with external
error pin – Run-time safety diagnostics, including:
• Voltage, Temperature, and Clock Monitoring
• Windowed Watchdog Timers • CRC Engine for memory integrity checks – MCU Domain with dedicated memory, interfaces, and M4FSS capable of being isolated from the larger SoC with Freedom From Interference (FFI) features • Separate interconnect
• Firewalls and timeout gaskets
• Dedicated PLL
• Dedicated I/O supply • Separate reset
Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: AM2434 AM2432 AM2431 Document Outline 1 Features 2 Applications 3 Description 3.1 Functional Block Diagram Table of Contents 4 Revision History 5 Device Comparison 5.1 Related Products 6 Terminal Configuration and Functions 6.1 Pin Diagram 6.1.1 AM243x ALV Pin Diagram 6.1.2 AM243x ALX Pin Diagram 6.2 Pin Attributes (ALV Package) 6.3 Pin Attributes (ALX Package) 6.4 Signal Descriptions 6.4.1 ADC MAIN Domain Instances ADC0 Signal Descriptions 6.4.2 DDRSS MAIN Domain Instances DDRSS0 Signal Descriptions 6.4.3 GPIO MAIN Domain Instances GPIO0 Signal Descriptions GPIO1 Signal Descriptions MCU Domain Instances MCU_GPIO0 Signal Descriptions 6.4.4 I2C MAIN Domain Instances I2C0 Signal Descriptions I2C1 Signal Descriptions I2C2 Signal Descriptions I2C3 Signal Descriptions MCU Domain Instances MCU_I2C0 Signal Descriptions MCU_I2C1 Signal Descriptions 6.4.5 MCAN MAIN Domain Instances MCAN0 Signal Descriptions MCAN1 Signal Descriptions 6.4.6 SPI (MCSPI) MAIN Domain Instances MCSPI0 Signal Descriptions MCSPI1 Signal Descriptions MCSPI2 Signal Descriptions MCSPI3 Signal Descriptions MCSPI4 Signal Descriptions MCU Domain Instances MCU_MCSPI0 Signal Descriptions MCU_MCSPI1 Signal Descriptions 6.4.7 UART MAIN Domain Instances UART0 Signal Descriptions UART1 Signal Descriptions UART2 Signal Descriptions UART3 Signal Descriptions UART4 Signal Descriptions UART5 Signal Descriptions UART6 Signal Descriptions MCU Domain Instances MCU_UART0 Signal Descriptions MCU_UART1 Signal Descriptions 6.4.8 MDIO MAIN Domain Instances MDIO0 Signal Descriptions 6.4.9 CPSW MAIN Domain Instances CPSW3G0 Signal Descriptions 6.4.10 ECAP MAIN Domain Instances ECAP0 Signal Descriptions ECAP1 Signal Descriptions ECAP2 Signal Descriptions EQEP MAIN Domain Instances EQEP0 Signal Descriptions EQEP1 Signal Descriptions EQEP2 Signal Descriptions 6.4.11 EPWM MAIN Domain Instances EPWM Signal Descriptions EPWM0 Signal Descriptions EPWM1 Signal Descriptions EPWM2 Signal Descriptions EPWM3 Signal Descriptions EPWM4 Signal Descriptions EPWM5 Signal Descriptions EPWM6 Signal Descriptions EPWM7 Signal Descriptions EPWM8 Signal Descriptions 6.4.12 SERDES MAIN Domain Instances SERDES0 Signal Descriptions 6.4.13 USB MAIN Domain Instances USB0 Signal Descriptions 6.4.14 OSPI MAIN Domain Instances OSPI0 Signal Descriptions 6.4.15 GPMC MAIN Domain Instances GPMC0 Signal Descriptions 6.4.16 MMC MAIN Domain Instances MMC0 Signal Descriptions MMC1 Signal Descriptions 6.4.17 FSITX MAIN Domain Instances FSI0 TX Signal Descriptions FSI1 TX Signal Descriptions 6.4.18 FSIRX MAIN Domain Instances FSI0 RX Signal Descriptions FSI1 RX Signal Descriptions FSI2 RX Signal Descriptions FSI3 RX Signal Descriptions FSI4 RX Signal Descriptions FSI5 RX Signal Descriptions 6.4.19 CPTS MAIN Domain Instances CPTS0 Signal Descriptions CP GEMAC CPTS0 Signal Descriptions 6.4.20 ICSSG MAIN Domain Instances PRU_ICSSG0 Signal Descriptions PRU_ICSSG1 Signal Descriptions 6.4.21 DMTIMER MAIN Domain Instances DMTIMER Signal Descriptions MCU Domain Instances MCU_DMTIMER Signal Descriptions 6.4.22 TRACE MAIN Domain Instances Trace Signal Descriptions 6.4.23 JTAG MAIN Domain Instances JTAG Signal Descriptions 6.4.24 SYSBOOT MAIN Domain Instances Sysboot Signal Descriptions 6.4.25 SYSTEM MAIN Domain Instances System Signal Descriptions MCU Domain Instances MCU System Signal Descriptions 6.4.26 CLOCK MCU Domain Instances MCU Clock Signal Descriptions 6.4.27 VMON VMON Signal Description 6.4.28 Power Supply Power Supply Signal Description 6.5 Pin Multiplexing 6.6 Connections for Unused Pins 7 Specifications 7.1 Absolute Maximum Ratings 7.2 ESD Ratings 7.3 Power-On Hours (POH) 7.4 Recommended Operating Conditions 7.5 Operating Performance Points 7.6 Power Consumption Summary 7.7 Electrical Characteristics 7.7.1 Fail-Safe Reset (FS RESET) Electrical Characteristics 7.7.2 I2C Open-Drain, and Fail-Safe (I2C OD FS) Electrical Characteristics 7.7.3 High-Frequency Oscillator (HFOSC) Electrical Characteristics 7.7.4 eMMCPHY Electrical Characteristics 7.7.5 SDIO Electrical Characteristics 7.7.6 ADC12B Electrical Characteristics 7.7.7 LVCMOS Electrical Characteristics 7.7.8 USB2PHY Electrical Characteristics 7.7.9 DDR Electrical Characteristics 7.8 VPP Specifications for One-Time Programmable (OTP) eFuses 7.8.1 Recommended Operating Conditions for OTP eFuse Programming 7.8.2 Hardware Requirements 7.8.3 Programming Sequence 7.8.4 Impact to Your Hardware Warranty 7.9 Thermal Resistance Characteristics 7.9.1 Thermal Resistance Characteristics 7.10 Timing and Switching Characteristics 7.10.1 Timing Parameters and Information 7.10.2 Power Supply Sequencing Power Supply Slew Rate Requirement Power-Up Sequencing Power-Down Sequencing 7.10.3 System Timing Reset Timing Safety Signal Timing Clock Timing 7.10.4 Clock Specifications Input Clocks / Oscillators MCU_OSC0 Internal Oscillator Clock Source Load Capacitance Shunt Capacitance MCU_OSC0 LVCMOS Digital Clock Source Output Clocks PLLs 7.10.5 Peripherals CPSW3G CPSW3G MDIO Timing CPSW3G RMII Timing CPSW3G RGMII Timing DDRSS ECAP EPWM EQEP FSI GPIO GPMC GPMC and NOR Flash — Synchronous Mode GPMC and NOR Flash — Asynchronous Mode GPMC and NAND Flash — Asynchronous Mode I2C Timing Requirements for I2C Input Timings MCAN MCSPI MCSPI — Master Mode MCSPI — Slave Mode MMCSD MMC0 - eMMC Interface Legacy SDR Mode High Speed SDR Mode High Speed DDR Mode HS200 Mode MMC1 - SD/SDIO Interface Default Speed Mode High Speed Mode UHS–I SDR12 Mode UHS–I SDR25 Mode UHS–I SDR50 Mode UHS–I DDR50 Mode UHS–I SDR104 Mode CPTS OSPI OSPI With Data Training OSPI Switching Characteristics – Data Training OSPI Without Data Training OSPI SDR Timing OSPI DDR Timing PCIe PRU_ICSSG PRU_ICSSG Programmable Real-Time Unit (PRU) PRU_ICSSG PRU Direct Output Mode Timing PRU_ICSSG PRU Parallel Capture Mode Timing PRU_ICSSG PRU Shift Mode Timing PRU_ICSSG PRU Sigma Delta and Peripheral Interface PRU_ICSSG PRU Sigma Delta and Peripheral Interface Timing PRU_ICSSG Pulse Width Modulation (PWM) PRU_ICSSG PWM Timing PRU_ICSSG Industrial Ethernet Peripheral (IEP) PRU_ICSSG IEP Timing PRU_ICSSG Universal Asynchronous Receiver Transmitter (UART) PRU_ICSSG UART Timing PRU_ICSSG Enhanced Capture Peripheral (ECAP) PRU_ICSSG ECAP Timing PRU_ICSSG RGMII, MII_RT, and Switch PRU_ICSSG MDIO Timing PRU_ICSSG MII Timing PRU_ICSSG RGMII Timing Timers UART USB 7.10.6 Emulation and Debug Trace JTAG 8 Detailed Description 8.1 Overview 8.2 Processor Subsystems 8.2.1 Arm Cortex-R5F Subsystem (R5FSS) 8.2.2 Arm Cortex-M4F (M4FSS) 8.3 Accelerators and Coprocessors 8.3.1 Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU_ICSSG) 8.4 Other Subsystems 8.4.1 PDMA Controller 8.4.2 Peripherals ADC DCC Dual Date Rate (DDR) External Memory Interface (DDRSS) ECAP EPWM ELM ESM GPIO EQEP GPMC I2C MCAN MCRC Controller MCSPI MMCSD OSPI Peripheral Component Interconnect Express (PCIe) Serializer/Deserializer (SerDes) RTI DMTIMER UART Universal Serial Bus Subsystem(USBSS) 9 Applications, Implementation, and Layout 9.1 Power Supply Mapping 9.2 Device Connection and Layout Fundamentals 9.2.1 Power Supply Decoupling and Bulk Capacitors Power Distribution Network Implementation Guidance 9.2.2 External Oscillator 9.2.3 JTAG and EMU 9.2.4 Unused Pins 9.3 Peripheral- and Interface-Specific Design Information 9.3.1 General Routing Guidelines 9.3.2 DDR Board Design and Layout Guidelines 9.3.3 OSPI and QSPI Board Design and Layout Guidelines No Loopback and Internal Pad Loopback External Board Loopback DQS (only available in Octal Flash devices) 9.3.4 USB VBUS Design Guidelines 9.3.5 System Power Supply Monitor Design Guidelines 9.3.6 High Speed Differential Signal Routing Guidance 9.3.7 Thermal Solution Guidance 10 Device and Documentation Support 10.1 Device Nomenclature 10.1.1 Standard Package Symbolization 10.1.2 Device Naming Convention 10.2 Tools and Software 10.3 Documentation Support 10.4 Support Resources 10.5 Trademarks 10.6 Electrostatic Discharge Caution 10.7 Glossary 11 Mechanical, Packaging, and Orderable Information 11.1 Packaging Information