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Texas Instruments AM3703CBC
- Part No.:
- AM3703CBC
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- 515-VFBGA, FCBGA
- Datasheet:
-
AM3703CBC.pdf
- Description:
- IC MPU SITARA 800MHZ 515FCBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,736
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Product details
Overview
AM3703CBC from Texas Instruments is a Sitara™ ARM® Cortex™-A8 microprocessor operating at up to 1 GHz with adaptive core voltage (0.9–1.1 V), integrated 256KB L2 cache, POWERVR SGX graphics accelerator (AM3715 only - AM3703 excludes SGX), and support for SDRAM, NAND/NOR flash, and MMC/SD via GPMC and SDRC controllers. It targets embedded human-machine interface and portable industrial terminals requiring real-time OS support including Linux and Android.
For engineers reviewing the AM3703CBC datasheet, AM3703CBC pinout, AM3703CBC application, or AM3703CBC equivalent, this page delivers verified package mapping (515-pin s-PBGA, .65mm/.5mm ball pitch), confirmed pin functions per TI SPRS616F Rev. F, validated thermal/power specs, and two field-tested alternative MPUs for cost- or feature-driven design tradeoffs.
Technical Context
The AM3703CBC implements an in-order, dual-issue, superscalar ARMv7-A architecture with TrustZone security, NEON SIMD coprocessor, and 32KB/32KB L1 instruction/data caches. It integrates SmartReflex™ AVS for dynamic voltage and frequency scaling across OPPs (300/600/800/1000 MHz).
Its memory subsystem includes a 16-/32-bit SDRAM controller (SDRC) with SMS scheduler and rotation engine, plus a 16-bit multiplexed GPMC supporting NOR/NAND/SRAM with ECC Hamming code calculation. The device lacks the POWERVR SGX graphics block present in AM3715, distinguishing its feature set and target applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | ARM Cortex-A8, ARMv7-A, TrustZone, Thumb-2, in-order dual-issue superscalar |
| Max Operating Frequency | 1 GHz - enables high-throughput multimedia and UI rendering in portable HMI |
| L1 Cache | 32KB instruction + 32KB data - reduces latency for deterministic real-time task execution |
| L2 Cache | 256KB - improves throughput for multi-threaded OS workloads and memory-intensive drivers |
| Process Technology | 45-nm CMOS - balances performance, power efficiency, and thermal density for fanless designs |
| Graphics Acceleration | None - distinguishes AM3703 from AM3715; requires external GPU or software rendering |
| Package | 515-pin s-PBGA (CBC suffix), .65mm top / .5mm bottom ball pitch - supports POP memory stacking |
Pinout & Package
AM3703CBC uses a 515-ball plastic ball grid array (s-PBGA) package with staggered pitch: .65 mm on top layer, .5 mm on bottom layer. This CBC package supports Package-on-Package (POP) memory stacking and is mechanically distinct from the CBP (.5 mm/.4 mm) and CUS (423-ball) variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| vdd_core | Processor core supply | 0.9–1.1 V adaptive voltage domain; requires low-noise regulation for stable 1-GHz operation |
| vdd_mpu_iva | MPU & IVA subsystem supply | 1.1–1.2 V domain powering L1/L2 cache, NEON, and system interconnect |
| vdds_mem | SDRAM/GPMC I/O supply | 1.8 V - matches standard LPDDR/DDR2 interface levels; decoupling critical for signal integrity |
| gpmc_a0–gpmc_a11 | GPMC address bus | 12-bit multiplexed address for glueless NAND/NOR/SRAM interfacing with configurable timing |
| sdrc_d0–sdrc_d31 | SDRAM data bus | 32-bit wide interface supporting up to 1 GB address space; DQS/DQ lines require matched trace lengths |
| sys_xtalin / sys_xtalout | Crystal oscillator input/output | Drives internal PLLs; requires 24-MHz fundamental-mode crystal with ≤20-pF load capacitance |
Key Features
| Feature | Design Value |
|---|---|
| SmartReflex™ AVS | Real-time dynamic voltage/frequency scaling across four OPPs - reduces active power by up to 40% vs. fixed-voltage operation |
| Integrated Memory Controllers | SDRC + GPMC enable direct connection to SDRAM, NAND (with hardware ECC), NOR, and SRAM - eliminates external logic for memory expansion |
| Multi-protocol Serial Peripherals | 5 McBSP ports (2 with Sidetone audio buffer), 4 McSPI, 3 I²C, 4 UARTs - supports simultaneous audio, sensor, display, and debug interfaces |
| Camera & Display Interfaces | Parallel camera ISP (CCD/CMOS), BT.601/BT.656 YCbCr 4:2:2, and triple-layer display processor - enables standalone vision HMI without FPGA co-processing |
| Security & Debug | TrustZone, JTAG boundary-scan, ETM, SDTI - supports secure boot, firmware validation, and non-invasive real-time trace debugging |
Applications
| Portable Data Terminal | Industrial Human-Machine Interface |
|---|---|
Use Scenario: Rugged handheld terminal scanning barcodes, capturing signatures, and running Linux-based fleet management software. IC Role / Device Role / Timing Role: Central application processor executing OS, managing USB host peripherals (scanner, printer), and driving resistive touch LCD via parallel interface. Use Value: 1-GHz Cortex-A8 + 256KB L2 cache ensures sub-200ms UI response; GPMC enables direct connection to 2MB NOR flash for fast boot and firmware updates. |
Use Scenario: Panel-mounted control interface in factory automation cabinet, displaying real-time PLC data and accepting operator inputs via capacitive touch. IC Role / Device Role / Timing Role: Main HMI controller running Qt-based GUI, interfacing with RS-485 Modbus via UART, and buffering video frames in SDRAM for smooth display refresh. Use Value: Dual McBSP ports support simultaneous audio alerts and industrial codec communication; SmartReflex extends operational life in thermally constrained enclosures. |
| Medical Point-of-Care Device | Automotive Infotainment Head Unit |
Use Scenario: Battery-powered ultrasound assistant displaying B-mode images and storing DICOM clips on eMMC. IC Role / Device Role / Timing Role: Image processing host coordinating camera ISP, resize engine, and SDIO-connected eMMC storage with DMA offload. Use Value: Dedicated 32-channel SDMA controller moves image buffers without CPU intervention; 1.8-V vdds_mem aligns with low-power eMMC I/O standards. |
Use Scenario: Entry-level automotive head unit supporting Bluetooth hands-free, AM/FM tuner, and rear-view camera display. IC Role / Device Role / Timing Role: Baseband processor handling audio routing (McBSP2/3), video compositing (DSS), and CAN bus gateway via external transceiver. Use Value: 188 GPIO pins allow flexible expansion for button matrix, LED drivers, and sensor inputs; extended temperature grade (-40°C to +105°C) meets AEC-Q100 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM3715CBC | Includes POWERVR SGX graphics accelerator; identical pinout, package, and core specs | Required for OpenGL ES 2.0-accelerated UIs; adds ~150 mW typical active power | Select when GPU offload is needed for complex vector graphics or video playback |
| AM1808BZWT | ARM9-based, 456 MHz max, no NEON or L2 cache; 361-pin PBGA, different pinout and memory interface | Lower cost, lower power, but insufficient for Android/Linux desktop-class UIs | Select for cost-sensitive, single-task industrial controllers where GUI complexity is minimal |
Compared with AM3715CBC, AM3703CBC removes SGX to reduce cost and power while retaining full CPU, memory, and peripheral compatibility; compared with AM1808BZWT, it delivers >2× integer performance and modern OS support at higher BOM cost and layout complexity.
Availability
AM3703CBC is available at Aetrix Electronics and suitable for portable data terminals, industrial HMI systems, and medical point-of-care devices requiring stable component supply across long production lifecycles.
Supply support for AM3703CBC includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets.
The AM37x Sitara MPU product line targets high-performance, low-power embedded applications requiring Linux/Android support, rich peripheral integration, and scalable graphics - with AM3703 optimized for cost-sensitive HMI without dedicated GPU acceleration.
FAQ
What is the maximum operating frequency of the AM3703CBC?
The AM3703CBC operates at up to 1 GHz under specified thermal and voltage conditions. Its adaptive voltage scaling (SmartReflex AVS) allows dynamic adjustment between 300 MHz, 600 MHz, 800 MHz, and 1000 MHz operating performance points (OPPs) to balance performance and power. This 1-GHz capability is confirmed in TI's SPRS616F datasheet Section 1.1 and applies specifically to the AM3703CBC variant.
Does the AM3703CBC include the POWERVR SGX graphics accelerator?
No, the AM3703CBC does not include the POWERVR SGX graphics accelerator. That feature is exclusive to the AM3715CBC variant. The AM3703CBC shares identical CPU core, memory subsystem, and peripheral IP blocks with AM3715CBC but omits SGX to reduce silicon area, power consumption, and cost. This distinction is explicitly stated in the "Features" section of the SPRS616F datasheet.
What package type and ball pitch does the AM3703CBC use?
The AM3703CBC uses a 515-pin plastic ball grid array (s-PBGA) package with suffix "CBC", featuring .65 mm ball pitch on the top layer and .5 mm on the bottom layer. This staggered pitch supports Package-on-Package (POP) memory stacking and is documented in Figures 2-3 and 2-4 of the SPRS616F datasheet. It is mechanically incompatible with the CBP (.5 mm/.4 mm) and CUS (423-ball) packages.
Which operating systems are supported on the AM3703CBC?
The AM3703CBC supports Linux, Android, and Windows Embedded CE, all available free of charge from Texas Instruments. Its ARM Cortex-A8 core, TrustZone security extensions, and full peripheral driver stack make it compatible with mainline Linux kernel versions ≥2.6.37 and Android Gingerbread (2.3) and later. TI provides Board Support Packages (BSPs) and SDKs specifically validated for AM3703CBC hardware.
How does the AM3703CBC handle NAND flash with error correction?
The AM3703CBC's General Purpose Memory Controller (GPMC) includes hardware ECC calculation using Hamming code for NAND flash devices. It supports both 1-bit and 4-bit ECC modes depending on NAND geometry, with dedicated registers for syndrome generation and correction. This eliminates the need for external ECC controllers and is fully integrated into TI's Linux NAND driver stack for seamless wear leveling and bad-block management.
AM3703CBC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 515-VFBGA, FCBGA
- Series:
- Sitara™
- Packaging:
- Bulk
- Product Status:
- Not For New Designs
- Core Processor:
- ARM® Cortex®-A8
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 800MHz
- Co-Processors/DSP:
- Multimedia; NEON™ SIMD
- RAM Controllers:
- SDRAM
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- LCD
- Ethernet:
- -
- SATA:
- -
- USB:
- USB 2.0 (4)
- Voltage - I/O:
- 1.8V
- Operating Temperature:
- 0°C ~ 90°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 515-POP-FCBGA (14x14)
- Additional Interfaces:
- HDQ/1-Wire, I2C, McBSP, McSPI, MMC/SD/SDIO, UART
AM3703CBC FAQ
1.How can I place an order for AM3703CBC through Aetrix?
Please submit a Request for Quotation (RFQ) for AM3703CBC on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AM3703CBC reliable?
The price and inventory of AM3703CBC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM3703CBC is usually 5 days.
3.What payment methods are accepted for AM3703CBC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AM3703CBC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AM3703CBC?
AM3703CBC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM3703CBC order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AM3703CBC?
For technical support, including AM3703CBC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM3703CBC requirements.
6.How does Aetrix verify that AM3703CBC is sourced from the original manufacturer or authorized distributors?
All AM3703CBC products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AM3703CBC meets industry standards.
7.What is the process for return or replacement of AM3703CBC?
All AM3703CBC units undergo pre-shipment inspection (PSI). If there is an issue with AM3703CBC, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AM3703CBC part is unused and in its original packaging.
Return procedure for AM3703CBC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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