AM1705 Datasheet, PDF (8/155 Pages) Texas Instruments – AM1705 ARM Microprocessor

AM1705
SPRS657 – FEBRUARY 2010
3 Device Overview
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3.1 Device Characteristics
provides an overview of the device . The table shows significant features of the device, including the
capacity of on-chip RAM, peripherals, and the package type with pin count.
Table 3-1. Characteristics of the device
HARDWARE FEATURES
EMIFB
EMIFA
Flash Card Interface
EDMA3
Timers
UART
SPI
I²C
Multichannel Audio
Serial Port [McASP]
Peripherals
10/100 Ethernet MAC
with Management Data
I/O
Not all peripherals pins ^eHRPWM
are available at the
same time (for more
detail, see the Device
eCAP
eQEP
Configurations section). _{USB 2.0 (USB0)}
General-Purpose
Input/Output Port
PRU Subsystem
(PRUSS)
Size (Bytes)
On-Chip Memory
Organization
AM1705
16-bit , upto 512Mb SDRAM
Asynchronous (8/16-bit bus width) RAM, Flash, NOR, NAND
MMC and SD cards supported.
32 independent channels, 8 QDMA channels, 2 Transfer controllers
2 64-Bit General Purpose (configurable as 2 separate 32-bit timers, 1 configurable as
Watch Dog)
3 (one with RTS and CTS flow control)
2 (Each with one hardware chip select)
2 (both Master/Slave)
2(each with transmit/receive, FIFO buffer, 16/12/4 serializers)
1 (RMII Interface)
6 Single Edge, 6 Dual Edge Symmetric, or 3 Dual Edge Asymmetric Outputs
3 32-bit capture inputs or 3 32-bit auxiliary PWM outputs
2 32-bit QEP channels with 4 inputs/channel
High-Speed OTG Controller with on-chip OTG PHY
8 banks of 16-bit
2 Programmable PRU Cores
168KB RAM, 1088KB ROM
ARM
16KB I-Cache
16KB D-Cache
8KB RAM (Vector Table)
64KB ROM
JTAG BSDL_ID
CPU Frequency
Voltage
Package
Product Status⁽¹⁾
DEVIDR0 register
MHz
Core (V)
I/O (V)
Product Preview (PP),
Advance Information
(AI),
or Production Data
(PD)
ADDITIONAL MEMORY
128KB RAM
0x8B7D F02F (Silicon Revision 1.1)
0x9B7D F02F (Silicon Revision 2.0)
ARM926 375 MHz (1.2V) or 456 MHz (1.3V)
1.2 V nominal for 375 MHz version
1.3 V nominal for 456 MHz version
3.3 V
24 mm x 24 mm, 176-Pin, 0.5 mm pitch, TQFP (PTP)
AI
(1) ADVANCE INFORMATION concerns new products in the sampling or preproduction phase of development. Characteristic data and
other specifications are subject to change without notice.
8
Device Overview
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