Sitara™ARM® Cortex®-A9 32-Bit RISC Processor With Processing Speed up to 1000 MHz
NEON™ SIMD Coprocessor and Vector Floating Point (VFPv3) Coprocessor
32KB of Both L1 Instruction and Data Cache
256KB of L2 Cache or L3 RAM
32-Bit LPDDR2, DDR3, and DDR3L Support
General-Purpose Memory Support (NAND, NOR, SRAM) Supporting up to 16-Bit ECC
SGX530 Graphics Engine
Display Subsystem
Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU-ICSS)
Real-Time Clock (RTC)
Up to Two USB 2.0 High-Speed Dual-Role (Host or Device) Ports With Integrated PHY
10, 100, and 1000 Ethernet Switch Supporting up to Two Ports
Serial Interfaces:
Two Controller Area Network (CAN) Ports
Six UARTs, Two McASPs, Five McSPIs, Three I2C Ports, One QSPI, and One HDQ or 1-Wire
Security
Crypto Hardware Accelerators (AES, SHA, RNG, DES, and 3DES)
Secure Boot (Avaliable Only on AM437x High-Security [AM437xHS] Devices)
Two 12-Bit Successive Approximation Register (SAR) ADCs
Up to Three 32-Bit Enhanced Capture (eCAP) Modules
Up to Three Enhanced Quadrature Encoder Pulse (eQEP) Modules
Up to Six Enhanced High-Resolution PWM (eHRPWM) Modules
MPU Subsystem
ARM Cortex-A9 32-Bit RISC Microprocessor With Processing Speed up to 1000 MHz
32KB of Both L1 Instruction and Data Cache
256KB of L2 Cache (Option to Configure as L3 RAM)
256KB of On-Chip Boot ROM
64KB of On-Chip RAM
Secure Control Module (SCM) (Avaliable Only on AM437xHS Devices)
Emulation and Debug
JTAG
Embedded Trace Buffer
Interrupt Controller
On-Chip Memory (Shared L3 RAM)
256KB of General-Purpose On-Chip Memory Controller (OCMC) RAM
Accessible to All Masters
Supports Retention for Fast Wakeup
Up to 512KB of Total Internal RAM
(256KB of ARM Memory Configured as L3 RAM + 256KB of OCMC RAM)
External Memory Interfaces (EMIFs)
DDR Controllers:
LPDDR2: 266-MHz Clock (LPDDR2-533 Data Rate)
DDR3 and DDR3L: 400-MHz Clock (DDR-800 Data Rate)
32-Bit Data Bus
2GB of Total Addressable Space
Supports One x32, Two x16, or Four x8 Memory Device Configurations
General-Purpose Memory Controller (GPMC)
Flexible 8- and 16-Bit Asynchronous Memory Interface With up to Seven Chip Selects (NAND, NOR, Muxed-NOR, and SRAM)
Uses BCH Code to Support 4-, 8-, or 16-Bit ECC
Uses Hamming Code to Support 1-Bit ECC
Error Locator Module (ELM)
Used With the GPMC to Locate Addresses of Data Errors From Syndrome Polynomials Generated Using a BCH Algorithm
Supports 4-, 8-, and 16-Bit Per 512-Byte Block Error Location Based on BCH Algorithms
Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU-ICSS)
Supports Protocols such as EtherCAT®, PROFIBUS®, PROFINET®, and EtherNet/IP™, EnDat 2.2, and More
Two Programmable Real-Time Units (PRUs) Subsystems With Two PRU Cores Each
Each Core is a 32-Bit Load and Store RISC Processor Capable of Running at 200 MHz
12KB (PRU-ICSS1), 4KB (PRU-ICSS0) of Instruction RAM With Single-Error Detection (Parity)
8KB (PRU-ICSS1), 4KB (PRU-ICSS0) of Data RAM With Single-Error Detection (Parity)
Single-Cycle 32-Bit Multiplier With 64-Bit Accumulator
Enhanced GPIO Module Provides Shift-In and Shift-Out Support and Parallel Latch on External Signal
12KB (PRU-ICSS1 Only) of Shared RAM With Single-Error Detection (Parity)
Three 120-Byte Register Banks Accessible by Each PRU
Interrupt Controller Module (INTC) for Handling System Input Events
Local Interconnect Bus for Connecting Internal and External Masters to the Resources Inside the PRU-ICSS
Peripherals Inside the PRU-ICSS
One UART Port With Flow Control Pins, Supports up to 12 Mbps
One eCAP Module
Two MII Ethernet Ports that Support Industrial Ethernet, such as EtherCAT
One MDIO Port
Industrial Communication is Supported by Two PRU-ICSS Subsystems
Power, Reset, and Clock Management (PRCM) Module
Controls the Entry and Exit of Deep-Sleep Modes
Responsible for Sleep Sequencing, Power Domain Switch-Off Sequencing, Wake-Up Sequencing, and Power Domain Switch-On Sequencing
Clocks
Integrated High-Frequency Oscillator Used to Generate a Reference Clock (19.2, 24, 25, and 26 MHz) for Various System and Peripheral Clocks
Supports Individual Clock Enable and Disable Control for Subsystems and Peripherals to Facilitate Reduced Power Consumption
Five ADPLLs to Generate System Clocks (MPU Subsystem, DDR Interface, USB, and Peripherals [MMC and SD, UART, SPI, I2C], L3, L4, Ethernet, GFX [SGX530], and LCD Pixel Clock)
Power
Two Nonswitchable Power Domains (RTC and Wake-Up Logic [WAKE-UP])
Three Switchable Power Domains (MPU Subsystem, SGX530 [GFX], Peripherals and Infrastructure [PER])
Dynamic Voltage Frequency Scaling (DVFS)
Real-Time Clock (RTC)
Real-Time Date (Day, Month, Year, and Day of Week) and Time (Hours, Minutes, and Seconds) Information
Internal 32.768-kHz Oscillator, RTC Logic, and 1.1-V Internal LDO
Independent Power-On-Reset (RTC_PWRONRSTn) Input
Dedicated Input Pin (RTC_WAKEUP) for External Wake Events
Programmable Alarm Can Generate Internal Interrupts to the PRCM for Wakeup or Cortex-A9 for Event Notification
Programmable Alarm Can Be Used With External Output (RTC_PMIC_EN) to Enable the Power-Management IC to Restore Non-RTC Power Domains
Peripherals
Up to Two USB 2.0 High-Speed Dual-Role (Host or Device) Ports With Integrated PHY
Up to Two Industrial Gigabit Ethernet MACs
(10, 100, and 1000 Mbps)
Integrated Switch
Each MAC Supports MII, RMII, and RGMII and MDIO Interfaces
Ethernet MACs and Switch Can Operate Independent of Other Functions
IEEE 1588v2 Precision Time Protocol (PTP)
Up to Two CAN Ports
Supports CAN Version 2 Parts A and B
Up to Two Multichannel Audio Serial Ports (McASPs)
Transmit and Receive Clocks up to 50 MHz
Up to Four Serial Data Pins Per McASP Port With Independent TX and RX Clocks
Supports Time Division Multiplexing (TDM), Inter-IC Sound (I2S), and Similar Formats
Supports Digital Audio Interface Transmission (SPDIF, IEC60958-1, and AES-3 Formats)
FIFO Buffers for Transmit and Receive (256 Bytes)
Up to Six UARTs
All UARTs Support IrDA and CIR Modes
All UARTs Support RTS and CTS Flow Control
UART1 Supports Full Modem Control
Up to Five Master and Slave McSPIs
McSPI0–McSPI2 Support up to Four Chip Selects
McSPI3 and McSPI4 Support up to Two Chip Selects
Up to 48 MHz
One Quad-SPI
Supports eXecute In Place (XIP) from Serial NOR FLASH
One Dallas 1-Wire® and HDQ Serial Interface
Up to Three MMC, SD, and SDIO Ports
1-, 4-, and 8-Bit MMC, SD, and SDIO Modes
1.8- or 3.3-V Operation on All Ports
Up to 48-MHz Clock
Supports Card Detect and Write Protect
Complies With MMC4.3 and SD and SDIO 2.0 Specifications
Up to Three I2C Master and Slave Interfaces
Standard Mode (up to 100 kHz)
Fast Mode (up to 400 kHz)
Up to Six Banks of General-Purpose I/O (GPIO)
32 GPIOs per Bank (Multiplexed With Other Functional Pins)
GPIOs Can be Used as Interrupt Inputs (up to Two Interrupt Inputs per Bank)
Up to Three External DMA Event Inputs That Can Also be Used as Interrupt Inputs
Twelve 32-Bit General-Purpose Timers
DMTIMER1 is a 1-ms Timer Used for Operating System (OS) Ticks
DMTIMER4–DMTIMER7 are Pinned Out
One Public Watchdog Timer
One Free-Running, High-Resolution 32-kHz Counter (synctimer32K)
One Secure Watchdog Timer (Avaliable Only on AM437xHS Devices)
SGX530 3D Graphics Engine
Tile-Based Architecture Delivering up to 20M Poly/sec
Universal Scalable Shader Engine is a Multithreaded Engine Incorporating Pixel and Vertex Shader Functionality
Advanced Shader Feature Set in Excess of Microsoft VS3.0, PS3.0, and OGL2.0
Industry Standard API Support of Direct3D Mobile, OGL-ES 1.1 and 2.0
Fine-Grained Task Switching, Load Balancing, and Power Management
Advanced Geometry DMA-Driven Operation for Minimum CPU Interaction
Programmable High-Quality Image Anti-Aliasing
Fully Virtualized Memory Addressing for OS Operation in a Unified Memory Architecture
Display Subsystem
Display Modes
Programmable Pixel Memory Formats (Palletized: 1-, 2-, 4-, and 8-Bits Per Pixel; RGB 16- and 24-Bits Per Pixel; and YUV 4:2:2)
256- × 24-Bit Entries Palette in RGB
Up to 2048 × 2048 Resolution
Display Support
Four Types of Displays Are Supported: Passive and Active Colors; Passive and Active Monochromes
4- and 8-Bit Monochrome Passive Panel Interface Support (15 Grayscale Levels Supported Using Dithering Block)
RGB 8-Bit Color Passive Panel Interface Support (3,375 Colors Supported for Color Panel Using Dithering Block)
RGB 12-, 16-, 18-, and 24-Bit Active Panel Interface Support (Replicated or Dithered Encoded Pixel Values)
Remote Frame Buffer (Embedded in the LCD Panel) Support Through the RFBI Module
Partial Refresh of the Remote Frame Buffer Through the RFBI Module
Partial Display
Multiple Cycles Output Format on 8-, 9-, 12-, and 16-Bit Interface (TDM)
Signal Processing
Overlay and Windowing Support for One Graphics Layer (RGB or CLUT) and Two Video Layers (YUV 4:2:2, RGB16, and RGB24)
RGB 24-Bit Support on the Display Interface, Optionally Dithered to RGB 18‑Bit Pixel Output Plus 6-Bit Frame Rate Control (Spatial and Temporal)
Transparency Color Key (Source and Destination)
Synchronized Buffer Update
Gamma Curve Support
Multiple-Buffer Support
Cropping Support
Color Phase Rotation
Two 12-Bit SAR ADCs (ADC0, ADC1)
867K Samples Per Second
Input Can Be Selected from Any of the Eight Analog Inputs Multiplexed Through an 8:1 Analog Switch
ADC0 Can Be Configured to Operate as a 4‑, 5-, or 8-Wire Resistive Touch Screen Controller (TSC)
Up to Three 32-Bit eCAP Modules
Configurable as Three Capture Inputs or Three Auxiliary PWM Outputs
Up to Six Enhanced eHRPWM Modules
Dedicated 16-Bit Time-Base Counter With Time and Frequency Controls
Configurable as Six Single-Ended, Six Dual-Edge Symmetric, or Three Dual-Edge Asymmetric Outputs
Security Keys (Avaliable Only on AM437xHS Devices)
Feature Identification
Debug Interface Support
JTAG and cJTAG for ARM (Cortex-A9 and PRCM) and PRU-ICSS Debug
Supports Real-Time Trace Pins (for Cortex-A9)
64-KB Embedded Trace Buffer (ETB)
Supports Device Boundary Scan
Supports IEEE 1500
DMA
On-Chip Enhanced DMA Controller (EDMA) Has Three Third-Party Transfer Controllers (TPTCs) and One Third-Party Channel Controller (TPCC), Which Supports up to 64 Programmable Logical Channels and Eight QDMA Channels
EDMA is Used for:
Transfers to and from On-Chip Memories
Transfers to and from External Storage (EMIF, GPMC, and Slave Peripherals)
InterProcessor Communication (IPC)
Integrates Hardware-Based Mailbox for IPC and Spinlock for Process Synchronization Between the Cortex-A9, PRCM, and PRU-ICSS
Boot Modes
Boot Mode is Selected Through Boot Configuration Pins Latched on the Rising Edge of the PWRONRSTn Reset Input Pin
Camera
Dual Port 8- and 10-Bit BT656 Interface
Dual Port 8- and 10-Bit Including External Syncs
Single Port 12-Bit
YUV422/RGB422 and BT656 Input Format
RAW Format
Pixel Clock Rate up to 75 MHz
Package
491-Pin BGA Package (17-mm × 17-mm) (ZDN Suffix), 0.65-mm Ball Pitch With Via Channel Array Technology to Enable Low-Cost Routing