Overview
The STR911FAW44X6 is a 16/32-bit microcontroller from STMicroelectronics, part of the STR9 series. It is powered by an ARM966E-S RISC processor core, operating at a maximum clock frequency of 96 MHz. This microcontroller is designed to serve a wide range of applications, including point-of-sale terminals, industrial automation, security and surveillance, vending machines, communication gateways, and medical equipment. The device integrates dual-bank Flash memory, large SRAM, and a rich set of peripherals, making it an ideal choice for embedded control systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics, Inc. |
| Package/Case | LQFP-128 |
| Core | ARM966E-S |
| Data Bus Width | 16 bit/32 bit |
| Maximum Clock Frequency | 96 MHz |
| Program Memory Size | 512 KB |
| Data RAM Size | 96 KB |
| On Chip ADC | Yes |
| Operating Supply Voltage | 1.65 V to 2 V, 2.7 V to 3.6 V |
| Maximum Operating Temperature | +85°C |
| Minimum Operating Temperature | -40°C |
| Number of Programmable I/Os | 80 |
| Number of Timers | 4 |
| Interface Type | CAN, I2C, IrDA, SSP, UART, USB |
| Mounting Style | SMD/SMT |
Key Features
- ARM966E-S RISC Core: Harvard architecture, 5-stage pipeline, and Tightly-Coupled Memories (SRAM and Flash).
- High-Speed Burst Flash Memory: Dual-bank Flash memories, 32-bits wide, with sequential burst operation up to 96 MHz.
- SRAM and Flash Memory: 64K or 96K bytes of SRAM, optional battery backup, and up to 512 KB of main Flash memory.
- Peripheral Set: Includes 9 programmable DMA channels, clock, reset, and supply management, internal oscillator, and internal PLL up to 96 MHz.
- Communication Interfaces: 10/100 Ethernet MAC with DMA and MII, USB Full-speed (12 Mbps) slave device, CAN interface (2.0B Active), 3 16550-style UARTs with IrDA protocol, 2 Fast I2C, and 2 channels for SPI, SSI™, or MICROWIRE™.
- ADC and Timers: 8-channel, 10-bit A/D converter (ADC) and 4 timers each with 2 input capture, 2 output compare, PWM and pulse count modes.
- Power Management: Run, Idle, and Sleep Mode as low as 50 uA, brown-out monitor, and reset supervisor.
- Debugging Tools: JTAG interface with boundary scan and embedded trace module (ARM® ETM9™).
Applications
- Point-of-Sale Terminals: Ideal for transaction processing and secure data handling.
- Industrial Automation: Suitable for control systems, motor control, and industrial communication protocols.
- Security and Surveillance: Used in security systems, access control, and surveillance equipment.
- Vending Machines: Controls and manages vending machine operations.
- Communication Gateways: Facilitates data communication between different protocols and networks.
- Medical Equipment: Applied in medical devices requiring precise control and data processing.
Q & A
- Q: What is the core architecture of the STR911FAW44X6 microcontroller?
A: The STR911FAW44X6 is based on the ARM966E-S RISC processor core with a Harvard architecture and a 5-stage pipeline.
- Q: What is the maximum clock frequency of the STR911FAW44X6?
A: The maximum clock frequency is 96 MHz.
- Q: How much program memory does the STR911FAW44X6 have?
A: The STR911FAW44X6 has 512 KB of program memory).
- Q: What communication interfaces are available on the STR911FAW44X6?
A: The microcontroller includes interfaces such as CAN, I2C, IrDA, SSP, UART, USB, and Ethernet MAC).
- Q: Does the STR911FAW44X6 have an on-chip ADC?
A: Yes, it includes an 8-channel, 10-bit A/D converter (ADC)).
- Q: What is the operating supply voltage range for the STR911FAW44X6?
A: The operating supply voltage range is 1.65 V to 2 V and 2.7 V to 3.6 V).
- Q: How many programmable I/Os does the STR911FAW44X6 have?
A: The microcontroller has 80 programmable I/Os).
- Q: What is the maximum operating temperature of the STR911FAW44X6?
A: The maximum operating temperature is +85°C).
- Q: Does the STR911FAW44X6 support single-cycle DSP instructions?
A: Yes, it supports single-cycle DSP instructions, which is beneficial for speech processing, audio algorithms, and low-end imaging).
- Q: How can I obtain the datasheet and other technical documents for the STR911FAW44X6?
A: You can obtain the datasheet and other technical documents from the official STMicroelectronics website or through authorized distributors like Jotrin).
