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Product Detailed Parameters
- Description：IC MPU SITARA 456MHZ 176HLQFP
- Series：Sitara™
- Mfr：Texas Instruments
- Package：Tube
- 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：0°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 AM1705BPTP4 is a microprocessor unit from the Sitara family, manufactured by Texas Instruments. It integrates an ARM926EJ-S core operating at a maximum frequency of 456MHz. The device features a 32-bit bus width and includes a system control coprocessor (CP15). It utilizes SDRAM for program space and supports I/O voltages of 1.8V and 3.3V. The component is housed in a 176-pin HLQFP package with dimensions of 24x24mm and a height of 1.38mm. It operates within a temperature range of 0°C to +90°C and has a moisture sensitivity level of 4.
Feature Summary
- Integrates an ARM926EJ-S processor core for embedded computing tasks
- Includes integrated Ethernet controller supporting 10/100Mbps speeds
- Features USB 2.0 interface with integrated PHY
- Supports multiple communication protocols including I2C, SPI, UART, and MMC/SD
Applications
- Industrial automation controllers
- Medical instrumentation systems
- Smart metering infrastructure
- Consumer electronics devices
Procurement Notes
Verify the specific suffix BPTP4 against official Texas Instruments documentation to confirm pinout and electrical characteristics. Confirm current availability status as this part may be obsolete or subject to change. Ensure compatibility with required voltage levels and operating temperature ranges for the target application environment before procurement.
Selection Notes
Select this component when an ARM9-based solution with integrated connectivity is required. Consider the 456MHz processing speed and available peripheral interfaces for system design. Evaluate the HLQFP package constraints for PCB layout. Compare against newer Sitara processors if higher performance or extended lifecycle support is needed.
Part Context
This microprocessor belongs to the Texas Instruments Sitara family, designed for applications requiring efficient processing with integrated peripherals. The AM1705 series targets cost-sensitive embedded markets. It provides a balance of computational power and connectivity options suitable for standalone or networked devices.
Replacement Considerations
Check for direct substitutes within the AM1705 series such as AM1705DPTP3. Verify pin-to-pin compatibility and software compatibility before replacing. Consult Texas Instruments for recommended upgrades if the current part is discontinued.
