STR911FAM44X6
| Part Number | STR911FAM44X6 |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) > Embedded – Microcontrollers (MCU) |
| Description | 32‑bit ARM966E‑S Microcontroller, 96 MHz, 512 KB +32 KB Dual‑Bank Flash, 96 KB SRAM, USB, CAN, LQFP‑80 Package. |
| Stock Status | In Stock (EOL Obsolete, stock only) |
| Origin | Original Factory |
Product Overview
STR911FAM44X6 is an EOL 32‑bit ARM966E‑S microcontroller from STMicroelectronics, operating at up to 96 MHz with DSP instruction support. It features dual‑bank 512KB+32KB Flash for IAP firmware upgrade, 96KB SRAM, USB2.0 Full‑Speed, CAN2.0B, serial interfaces and 8‑channel 10‑bit ADC. Housed in LQFP‑80(12×12mm), it targets industrial control, POS and automotive aftermarket devices, supplied only as leftover stock.
Core Advantages
High‑Speed ARM966E‑S Core
96 MHz ARM966E‑S core with DSP instructions, offering powerful real‑time computing capability for embedded control.
Dual‑Bank IAP Flash
Dual‑bank flash supports read‑while‑write, enabling safe on‑site firmware upgrades without halting CPU operation.
Abundant Industrial Interfaces
Integrated CAN2.0B, USB and multi‑serial ports, well‑suited for industrial bus and PC‑linked equipment.
Stable Power‑Supply Design
Independent core / IO power domain, built‑in POR, BOD and multiple low‑power modes to enhance system reliability.
Key Specifications
| Brand | STMicroelectronics |
|---|---|
| RoHS Status | RoHS Compliant / Lead‑Free (“X6” designation) |
| EDA / CAD | PCB Footprint & 3D Model Available upon Request |
| Warranty | 1‑Year Standard Quality Warranty |
| Package / Case | LQFP‑80 (12×12 mm) |
| Mounting Type | Surface Mount Device (SMD/SMT) |
| Surface Marking / Silkscreen | STR911FAM44X6 / ST Logo |
| Core Processor | 32‑bit ARM966E‑S |
| Maximum Speed | 96 MHz |
| Program Memory Size | 544 KB (512 KB Main Flash + 32 KB Secondary Flash) |
| RAM Size | 96 KB SRAM |
| Core Supply Voltage | 1.65 V ~ 2.0 V |
| I/O Supply Voltage | 2.7 V to 3.6 V (3.0 V to 3.6 V for USB/ADC) |
| GPIO Number | 40‑Channel Programmable GPIO |
| Connectivity | USB 2.0 Full‑Speed, CAN 2.0B, UART (IrDA), SPI/SSP, I2C, EMI External Memory Interface |
| A/D Converters | 8‑Channel, 10‑bit ADC |
| DMA / Timer | 9‑Channel DMA, Multi‑function Timer / PWM |
| Operating Temperature | -40°C to +85°C (Industrial Grade) |
| Lifecycle Status | Obsolete / EOL, only stock available |
Typical Applications
- Industrial Control Systems, PLCs, and Factory Automation Gateways
- Point‑of‑Sale (POS) Terminals, Barcode Scanners, and Smart Card Readers
- Motor Control Drives and Power Management Systems
- Automotive Aftermarket Systems, Fleet Tracking, and Telematics
- Medical Equipment, Patient Monitors, and Laboratory Instruments
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1‑2 business days |
| Delivery Time | 3‑7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What is the core architecture of STR911FAM44X6?
A: Equipped with 32‑bit ARM966E‑S RISC core supporting DSP instructions, max operating frequency 96 MHz.
Q2: What is the difference between STR911FAM44X6 and STR912FAW44X6?
A: Same core, Flash and RAM. STR911FAM44X6: LQFP‑80, no Ethernet MAC; STR912FAW44X6: LQFP‑128, with Ethernet MAC. Two devices are not pin‑to‑pin compatible.
Q3: What do suffix X6 and X6T stand for?
A: X6 = Tray tray‑packed; X6T = Tape & Reel reel‑packed. Electrical function of chips is exactly the same.
Q4: Is STR911FAM44X6 an obsolete device?
A: Yes. The ST STR9 series is EOL / Obsolete, no new production, only surplus stock available.
Q5: What are the recommended alternative MCUs?
A: Recommend STM32F4 series. It is in active mass‑production with richer peripherals. Note: cannot direct pin‑to‑pin replace; hardware and software redesign required.
Q6: What is the advantage of dual‑bank Flash?
A: Dual‑bank Flash supports read‑while‑write, implements IAP in‑application programming for safe remote firmware upgrade without system downtime.
Q7: How to get datasheet, footprint and quotation?
A: Please submit Quick Inquiry for datasheet, PCB footprint, stock verification and bulk quotation.
