Overview
The STR911FAM47X6T is a 16/32-bit Flash microcontroller from STMicroelectronics, part of the STR91xFA family. This microcontroller is based on the ARM966E-S™ RISC core, which features a Harvard architecture with a 5-stage pipeline and tightly-coupled memories. It operates at a frequency of up to 96 MHz, providing high performance and efficiency. The device is designed for a wide range of applications requiring advanced communication interfaces, robust memory, and versatile peripheral support.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM966E-S™ 16/32-bit RISC core |
| Frequency | Up to 96 MHz |
| Flash Memory | 256 KB to 2 MB (main), 32 KB to 128 KB (secondary) |
| SRAM | 64 KB or 96 KB, optional battery backup |
| Communication Interfaces | 10/100 Ethernet MAC, USB Full-speed, CAN 2.0B, 3 UARTs, 2 I2C, 2 SPI/SSI/MICROWIRE |
| ADC | 8-channel, 10-bit, 0 to 3.6 V range, 0.7 usec conversion |
| DMA Channels | 9 programmable DMA channels |
| Timers | 4 timers with input capture, output compare, PWM, and pulse count modes |
| Motor Control | 3-phase induction motor controller (IMC) |
| Power Modes | Run, Idle, Sleep (as low as 50 uA) |
| Package | LFBGA144 or other variants |
Key Features
- High-speed burst Flash memory interface and instruction prefetch queue
- Single-cycle DSP instructions and binary compatibility with ARM7 code
- Vectored interrupt controller (VIC) with 32 IRQ vectors and 30 interrupt pins
- Real-time clock with calendar, tamper, and wake-up functions
- Brown-out monitor, watchdog timer, and supply voltage monitoring
- External memory interface (EMI) with up to 24-bit addressing
- JTAG interface and embedded trace module (ARM® ETM9™)
- Up to 80 I/O pins (muxed with interfaces)
Applications
The STR911FAM47X6T is suitable for a variety of applications, including industrial automation, automotive systems, medical devices, and consumer electronics. Its advanced communication interfaces such as Ethernet, USB, and CAN make it ideal for networked devices and real-time control systems. The integrated 3-phase induction motor controller and robust ADC capabilities also make it a strong candidate for motor control and industrial automation projects.
Q & A
- What is the core architecture of the STR911FAM47X6T?
The STR911FAM47X6T is based on the ARM966E-S™ 16/32-bit RISC core with a Harvard architecture and a 5-stage pipeline. - What is the maximum operating frequency of the STR911FAM47X6T?
The maximum operating frequency is up to 96 MHz. - How much Flash and SRAM memory does the STR911FAM47X6T have?
The device has 256 KB to 2 MB of main Flash memory and 32 KB to 128 KB of secondary Flash memory, along with 64 KB or 96 KB of SRAM. - What communication interfaces are available on the STR911FAM47X6T?
The device features 10/100 Ethernet MAC, USB Full-speed, CAN 2.0B, three UARTs, two I2C interfaces, and two SPI/SSI/MICROWIRE interfaces. - What is the resolution and conversion time of the ADC on the STR911FAM47X6T?
The ADC is an 8-channel, 10-bit converter with a conversion time of 0.7 usec and a range of 0 to 3.6 V. - Does the STR911FAM47X6T support motor control?
Yes, it includes a 3-phase induction motor controller (IMC). - What power modes are available on the STR911FAM47X6T?
The device supports Run, Idle, and Sleep modes, with the Sleep mode consuming as low as 50 uA. - What is the package type for the STR911FAM47X6T?
The device is available in LFBGA144 and other variants. - Does the STR911FAM47X6T have a real-time clock?
Yes, it includes a real-time clock with calendar, tamper, and wake-up functions. - What kind of debugging interfaces does the STR911FAM47X6T support?
The device supports JTAG and an embedded trace module (ARM® ETM9™).
