AM1705 Datasheet, PDF (1/155 Pages) Texas Instruments – AM1705 ARM Microprocessor

AM1705
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AM1705 ARM Microprocessor
Check for Samples: AM1705
SPRS657 – FEBRUARY 2010
1 AM1705 ARM Microprocessor
1.1 Features
123
• Applications
– Industrial Automation
– Home Automation
– Test and Measurement
– Portable Data Terminals
– Eduational Consoles
– Power Protection Systems
• 375/456-MHz ARM926EJ-S™ RISC Core
– 32-Bit and 16-Bit (Thumb®) Instructions
– Single Cycle MAC
– ARM^® Jazelle^® Technology
– EmbeddedICE-RT™ for Real-Time Debug
• ARM9 Memory Architecture
– 16K-Byte Instruction Cache
– 16K-Byte Data Cache
– 8K-Byte RAM (Vector Table)
– 64K-Byte ROM
• Enhanced Direct-Memory-Access Controller 3
(EDMA3):
– 2 Transfer Controllers
– 32 Independent DMA Channels
– 8 Quick DMA Channels
– Programmable Transfer Burst Size
• 128K-Byte RAM Memory
• 3.3V LVCMOS IOs (except for USB interface)
• Two External Memory Interfaces:
– EMIFA
• NOR (8-/16-Bit-Wide Data)
• NAND (8-/16-Bit-Wide Data)
– EMIFB
• 16-Bit SDRAM With 256MB Address
Space
• Three Configurable 16550 type UART Modules:
– UART0 With Modem Control Signals
– 16-byte FIFO
– 16x or 13x Oversampling Option
• Two Serial Peripheral Interfaces (SPI) Each
With One Chip-Select
• Programmable Real-Time Unit Subsystem
(PRUSS)
– Two Independent Programmable Realtime
Unit (PRU) Cores
• 32-Bit Load/Store RISC architecture
• 4K Byte instruction RAM per core
• 512 Bytes data RAM per core
• PRU Subsystem (PRUSS) can be disabled
via software to save power
– Standard power management mechanism
• Clock gating
• Entire subsystem under a single PSC
clock gating domain
– Dedicated interrupt controller
– Dedicated switched central resource
• Multimedia Card (MMC)/Secure Digital (SD)
Card Interface with Secure Data I/O (SDIO)
• Two Master/Slave Inter-Integrated Circuit (I²C
Bus™)
• USB 2.0 OTG Port With Integrated PHY (USB0)
– USB 2.0 High-/Full-Speed Client
– USB 2.0 High-/Full-/Low-Speed Host
– End Point 0 (Control)
– End Points 1,2,3,4 (Control, Bulk, Interrupt or
ISOC) Rx and Tx
• Two Multichannel Audio Serial Ports:
– Transmit/Receive Clocks up to 50 MHz
– Six Clock Zones and 28 Serial Data Pins
– Supports TDM, I2S, and Similar Formats
– FIFO buffers for Transmit and Receive
• 10/100 Mb/s Ethernet MAC (EMAC):
– IEEE 802.3 Compliant (3.3-V I/O Only)
– RMII Media Independent Interface
– Management Data I/O (MDIO) Module
• One 64-Bit General-Purpose Timer
(Configurable as Two 32-Bit Timers)
• One 64-bit General-Purpose/Watchdog Timer
(Configurable as Two 32-bit General-Purpose
Timers)
• Three Enhanced Pulse Width Modulators
(eHRPWM):
– Dedicated 16-Bit Time-Base Counter With
Period And Frequency Control
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
ARM926EJ-S, EmbeddedICE-RT, ETM9, CoreSight are trademarks of ARM Limited.
2
ARM, Jazelle are registered trademarks of ARM Limited.
3
ADVANCE INFORMATION concerns new products in the sampling
or preproduction phase of development. Characteristic data and other
specifications are subject to change without notice.
Copyright © 2010, Texas Instruments Incorporated