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Product Detailed Parameters
- Description：IC MPU SITARA 456MHZ 176HLQFP
- Series：Sitara™
- Mfr：Texas Instruments
- Package：Tray
- Core Processor：ARM926EJ-S
- Number of Cores/Bus Width：1 Core, 32-Bit
- Speed：456MHz
- Co-Processors/DSP：System Control; CP15
- RAM Controllers：SDRAM
- Graphics Acceleration：No
- Display & Interface Controllers：-
- Ethernet：10/100Mbps (1)
- SATA：-
- USB：USB 2.0 + PHY (1)
- Voltage - I/O：1.8V, 3.3V
- Operating Temperature：-40°C ~ 90°C (TJ)
- Security Features：-
- Mounting Type：Surface Mount
- Package / Case：176-LQFP Exposed Pad
- Supplier Device Package：176-HLQFP (24x24)
- Additional Interfaces：I2C, McASP, SPI, MMC/SD, UART
- Grade：-
- Qualification：-
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Overview
The AM1705BPTPD4 is a microprocessor from the Texas Instruments Sitara family, featuring an ARM926EJ-S core. It operates at a maximum clock frequency of 456 MHz and utilizes a 32-bit data bus width. The device is housed in a 176-pin HLQFP package with dimensions of 24x24 mm and a height of 1.38 mm. It supports SMT installation and functions within a temperature range of 0°C to +90°C. The component includes one Ethernet controller supporting 10/100 Mbps speeds.
Feature Summary
- Integrates an ARM926EJ-S processor core for embedded control applications
- Includes built-in Ethernet connectivity for network communication
- Designed for surface mount technology assembly on printed circuit boards
Applications
- Industrial automation systems
- Embedded networking devices
- Consumer electronics controllers
Procurement Notes
Verify the specific suffix 'D4' against official Texas Instruments documentation to confirm exact pinout and electrical characteristics. Confirm current availability status as older Sitara models may be obsolete. Ensure compatibility with existing board layouts requiring the HLQFP-176 package. Check for moisture sensitivity level requirements during storage and handling procedures.
Selection Notes
Select this component when an ARM9-based solution with integrated Ethernet is required for cost-sensitive embedded designs. Consider the 456 MHz processing speed sufficient for basic control tasks. Verify that the 0°C to +90°C operating range meets environmental specifications. Evaluate the 176-pin package constraints against available PCB real estate.
Part Context
This part belongs to the Texas Instruments Sitara microprocessor series, which targets multimedia and industrial applications. The AM1705 variant specifically focuses on providing ARM9 processing power with peripheral integration. It serves as a bridge between simple microcontrollers and complex application processors.
Replacement Considerations
Consult TI datasheets for direct cross-references such as the AM1705BPTP3 or AM1705CPTP4. Verify pin-to-pin compatibility before substitution. Review updated feature sets in newer Sitara generations if performance upgrades are needed.
