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AM4382 Datasheet, PDF (1/18 Pages) Texas Instruments – Sitara Processors Technical Brief | |||
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AM4382, AM4384, AM4388
SPRT726A â MARCH 2017 â REVISED APRIL 2017
AM438x Sitara⢠Processors Technical Brief
1 Device Overview
1.1 Features
1
⢠Highlights
â Sitara⢠ARM® Cortex®-A9 32-Bit RISC
Processor With Processing Speed up to
1000 MHz
â NEON⢠SIMD Coprocessor and Vector
Floating Point (VFPv3) Coprocessor
â 32KB of Both L1 Instruction and Data Cache
â 256KB of L2 Cache or L3 RAM
â 32-Bit LPDDR2, DDR3, and DDR3L Support
â General-Purpose Memory Support (NAND,
NOR, SRAM) Supporting up to 16-Bit ECC
â SGX530 Graphics Engine
â Display Subsystem
â Programmable Real-Time Unit Subsystem and
Industrial Communication Subsystem (PRU-
ICSS)
â Real-Time Clock (RTC)
â Up to Two USB 2.0 High-Speed Dual-Role
(Host or Device) Ports With Integrated PHY
â 10, 100, and 1000 Ethernet Switch
â Serial Interfaces:
â Six UARTs, Two McASPs, Five McSPIs,
Three I2C Ports, One QSPI, and One HDQ or
1-Wire
â Up to Two ISO7816 (Smart Card) Interfaces
â Security
â Crypto Hardware Accelerators (AES, SHA,
PKA, RNG, DES, and 3DES) With Crypto
DMA
â Secure Boot
â Physical (Enclosure) Protection
â 12 Tamper I/Os
â Wire Mesh
â Tamper Protection
â Voltage Monitoring
â Temperature Monitoring
â Crystal Monitoring
â Erasable Secure Memory for Encryption
Keys
â Configurable Tamper Response
â Tamper Events Log
â Partial ARM TrustZone With Secure Run-
Time Environment for Secure Applications
â On-the-Fly-Encryption (OTFE) of the DDR
Memory Bus Interface
â Touch Screen Controller, ADC0
1
â 12-Bit Successive Approximation Register
(SAR) ADC0
â Up to 867K Samples Per Second
â Input Can be Selected from Any of the Eight
Analog Inputs Multiplexed through an 8:1
Analog Switch
â Can Be Configured to Operate as a 4-, 5-, or
8-Wire Resistive Touch Screen Controller
(TSC) Interface
â Magnetic Card Reader, ADC1
â Up to Three 32-Bit Enhanced Capture (eCAP)
Modules
â Up to Three Enhanced Quadrature Encoder
Pulse (eQEP) Modules
â Up to Six Enhanced High-Resolution PWM
(eHRPWM) Modules
⢠MPU Subsystem
â ARM Cortex-A9 32-Bit RISC Microprocessor
With Processing Speed up to 1000 MHz
â 32KB of Both L1 Instruction and Data Cache
â 256KB of L2 Cache (Option to Configure as L3
RAM)
â 256KB of On-Chip Boot ROM
â 64KB of On-Chip RAM
â Secure Control Module (SCM)
â Emulation and Debug
â JTAG
â Embedded Trace Buffer
â Interrupt Controller
⢠On-Chip Memory (Shared L3 RAM)
â 256KB of General-Purpose On-Chip Memory
Controller (OCMC) RAM
â 8KB Erasable Memory
â Accessible to All Masters
â Supports Retention for Fast Wakeup
â Up to 512KB of Total Internal RAM
(256KB of ARM Memory Configured as L3 RAM
+ 256KB of OCMC RAM)
⢠External Memory Interfaces (EMIFs)
â DDR Controllers:
â LPDDR2: 266-MHz Clock (LPDDR2-533 Data
Rate)
â DDR3 and DDR3L: 400-MHz Clock (DDR-
800 Data Rate)
â 32-Bit Data Bus
â 2GB of Total Addressable Space
â Supports One x32, Two x16, or Four x8
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. ADVANCE INFORMATION for pre-production products; subject to
change without notice.
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