Overview
The STR912FW44X6 is a microcontroller unit (MCU) developed by STMicroelectronics, part of the STR9 family. It is based on the 16/32-bit ARM966E-S RISC processor core, which features a Harvard architecture and a 5-stage pipeline. This MCU is designed to handle high-speed processing tasks with its maximum operating frequency of 96 MHz. It combines dual-bank Flash memory, large SRAM, and a rich set of peripherals, making it an ideal choice for various embedded applications such as industrial automation, security and surveillance, vending machines, communication gateways, and medical equipment.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM966E-S |
| Data Bus Width | 32-bit/16-bit |
| Maximum Clock Frequency | 96 MHz |
| Program Memory Size | 512 KB |
| Program Memory Type | Flash |
| Data RAM Size | 96 KB |
| Supply Voltage - Min | 1.65 V |
| Max Supply Voltage | 3.3 V |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | +85 |
| Number of GPIO | 80 I/O |
| Interface Type | CAN, I2C, IrDA, SSP, UART, USB, Ethernet |
| Package | LQFP-128 |
Key Features
- High-speed burst Flash memory interface and instruction prefetch queue
- Single-cycle DSP instructions supported
- Dual-bank Flash memories, 32-bits wide, with sizes up to 2 MB main Flash and 128 KB secondary Flash
- SRAM with 64K or 96K bytes, optional battery backup
- 9 programmable DMA channels
- Internal oscillator operating with external 4-25 MHz crystal and internal PLL up to 96 MHz
- Real-time clock with calendar functions, tamper, and wake-up functions
- Reset Supervisor with supply voltage monitoring, watchdog, and wake-up unit
- Brown-out monitor and low power modes (Run, Idle, Sleep) as low as 50 uA
- Vectored interrupt controller (VIC) with 32 IRQ vectors and 30 interrupt pins
- 8-channel, 10-bit A/D converter (ADC) with 0 to 3.6 V range and 0.7 usec conversion time
- Multiple communication interfaces including 10/100 Ethernet MAC, USB Full-speed, CAN, UARTs, I2C, SPI, and MICROWIRE
- External Memory Interface (EMI) with 8- or 16-bit data and up to 24-bit addressing
- 16-bit standard timers (TIM) with input capture, output compare, PWM, and pulse count modes
- 3-Phase induction motor controller (IMC)
- JTAG interface with boundary scan and embedded trace module (ARM® ETM9™)
Applications
- Industrial automation
- Security and surveillance systems
- Vending machines
- Communication gateways
- Serial protocol conversion
- Medical equipment
- Asset tracking
- Supply chain management
- Inventory control
- Consumer electronics
- Automotive systems
Q & A
- Q: What is the core architecture of the STR912FW44X6?
A: The STR912FW44X6 is based on the 16/32-bit ARM966E-S RISC processor core.
- Q: What is the maximum operating frequency of the STR912FW44X6?
A: The maximum operating frequency is 96 MHz.
- Q: What types of memory does the STR912FW44X6 have?
A: It has dual-bank Flash memory (up to 2 MB main Flash and 128 KB secondary Flash) and SRAM (64K or 96K bytes).
- Q: What communication interfaces are available on the STR912FW44X6?
A: It includes 10/100 Ethernet MAC, USB Full-speed, CAN, UARTs, I2C, SPI, and MICROWIRE interfaces.
- Q: What is the power consumption in sleep mode?
A: The typical sleep mode current is around 50 uA.
- Q: Does the STR912FW44X6 support DMA?
A: Yes, it has 9 programmable DMA channels.
- Q: What is the package type of the STR912FW44X6?
A: It is available in a 128-lead LQFP package.
- Q: What are some common applications of the STR912FW44X6?
A: It is used in industrial automation, security and surveillance, vending machines, communication gateways, and medical equipment among others.
- Q: How does the STR912FW44X6 handle real-time clock functions?
A: It includes a real-time clock with calendar functions, tamper, and wake-up functions.
- Q: Is the STR912FW44X6 RoHS compliant?
A: Yes, it is RoHS compliant.
