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AM3359, AM3358, AM3357, AM3356, AM3354, AM3352, AM3351
SPRS717I –OCTOBER 2011–REVISED DECEMBER 2015
AM335x Sitara™ Processors
1 Device Overview
1.1 Features
1
– Supports Protocols such as EtherCAT
®
,
• Up to 1-GHz Sitara™ ARM
®
Cortex
®
-A8 32‑Bit
PROFIBUS, PROFINET, EtherNet/IP™, and
RISC Processor
More
– NEON™ SIMD Coprocessor
– Two Programmable Real-Time Units (PRUs)
– 32KB of L1 Instruction and 32KB of Data Cache
• 32-Bit Load/Store RISC Processor Capable
With Single-Error Detection (Parity)
of Running at 200 MHz
– 256KB of L2 Cache With Error Correcting Code
• 8KB of Instruction RAM With Single-Error
(ECC)
Detection (Parity)
– 176KB of On-Chip Boot ROM
• 8KB of Data RAM With Single-Error
– 64KB of Dedicated RAM
Detection (Parity)
– Emulation and Debug - JTAG
• Single-Cycle 32-Bit Multiplier With 64-Bit
– Interrupt Controller (up to 128 Interrupt
Accumulator
Requests)
• Enhanced GPIO Module Provides Shift-
• On-Chip Memory (Shared L3 RAM)
In/Out Support and Parallel Latch on
– 64KB of General-Purpose On-Chip Memory
External Signal
Controller (OCMC) RAM
– 12KB of Shared RAM With Single-Error
– Accessible to All Masters
Detection (Parity)
– Supports Retention for Fast Wakeup
– Three 120-Byte Register Banks Accessible by
• External Memory Interfaces (EMIF)
Each PRU
– mDDR(LPDDR), DDR2, DDR3, DDR3L
– Interrupt Controller (INTC) for Handling System
Controller:
Input Events
• mDDR: 200-MHz Clock (400-MHz Data
– Local Interconnect Bus for Connecting Internal
Rate)
and External Masters to the Resources Inside
• DDR2: 266-MHz Clock (532-MHz Data Rate)
the PRU-ICSS
• DDR3: 400-MHz Clock (800-MHz Data Rate)
– Peripherals Inside the PRU-ICSS:
• DDR3L: 400-MHz Clock (800-MHz Data
• One UART Port With Flow Control Pins,
Rate)
Supports up to 12 Mbps
• 16-Bit Data Bus
• One Enhanced Capture (eCAP) Module
• 1GB of Total Addressable Space
• Two MII Ethernet Ports that Support
Industrial Ethernet, such as EtherCAT
• Supports One x16 or Two x8 Memory Device
Configurations
• One MDIO Port
– General-Purpose Memory Controller (GPMC)
• Power, Reset, and Clock Management (PRCM)
Module
• Flexible 8-Bit and 16-Bit Asynchronous
Memory Interface With up to Seven Chip
– Controls the Entry and Exit of Stand-By and
Selects (NAND, NOR, Muxed-NOR, SRAM)
Deep-Sleep Modes
• Uses BCH Code to Support 4-, 8-, or 16-Bit
– Responsible for Sleep Sequencing, Power
ECC
Domain Switch-Off Sequencing, Wake-Up
Sequencing, and Power Domain Switch-On
• Uses Hamming Code to Support 1-Bit ECC
Sequencing
– Error Locator Module (ELM)
– Clocks
• Used in Conjunction With the GPMC to
• Integrated 15- to 35-MHz High-Frequency
Locate Addresses of Data Errors from
Oscillator Used to Generate a Reference
Syndrome Polynomials Generated Using a
Clock for Various System and Peripheral
BCH Algorithm
Clocks
• Supports 4-, 8-, and 16-Bit per 512-Byte
• Supports Individual Clock Enable and
Block Error Location Based on BCH
Disable Control for Subsystems and
Algorithms
Peripherals to Facilitate Reduced Power
• Programmable Real-Time Unit Subsystem and
Consumption
Industrial Communication Subsystem (PRU-ICSS)
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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