Overview
The AT91SAM9G20B-CU is a microcontroller unit (MCU) developed by Microchip Technology, based on the ARM9 processor. It operates at a frequency of up to 400 MHz and is packaged in a 217-ball Low-profile Fine-pitch Ball Grid Array (LFBGA). This MCU is designed for industrial applications, featuring an operating temperature range from -40°C to 85°C. It incorporates advanced features such as integrated cache, boundary scan, and low power mode, making it suitable for a range of demanding applications.
Key Specifications
| Parameter | Value |
|---|---|
| Processor Type | ARM926-based processor |
| Operating Frequency | Up to 400 MHz |
| Package Type | 217-ball LFBGA |
| Operating Voltage Max. | 1.1 V |
| Internal Oscillator | 32 KHz |
| L1 Cache Memory (Instructions) | 32 KB |
| L1 Cache Memory (Data) | 32 KB |
| DRAM Memory Interface | SDRAM |
| DRAM Memory Bus Size | 32 bits |
| Internal DRAM Amount | 0 MB |
| NAND Interface | Yes |
| ECC Bits on NAND interface | 1 |
| Direct Memory Access (DMA) Channels | 28 |
| Max I/O Pins | 96 |
| ADC Channels | 4 |
| Max ADC Resolution | 10 bits |
| Max ADC Sampling Rate | 95 ksps |
| Hardware RTCC | Yes |
| Watch Dog Timers (WDT) | Yes |
| Temperature Range | -40°C to 85°C |
Key Features
- Full Speed USB host and device interfaces
- 10/100 Ethernet MAC
- Image sensor interface
- Multimedia card interface (MCI)
- I2S, USART, master/slave SPIs
- 16-bit timers, TWI
- Four-channel 10-bit ADC
- External bus interface with controllers for SDRAM, NAND flash, and CompactFlash
- Pin-to-pin compatibility with the SAM9260
- Integrated cache and boundary scan
- Low power mode
- Three 32-bit Parallel Input/Output Controllers (PIOA, PIOB, PIOC)
Applications
- Consumer Electronics: Suitable for complex consumer electronics such as smartwatches, gaming consoles, and advanced home automation systems due to its high processing power and small physical footprint.
- Telecommunications: Can be used in telecommunications equipment for data processing units, especially in environments with varying conditions.
- Industrial Automation and Control: Ideal for manufacturing process control systems, providing reliable operation in harsh industrial environments.
- Healthcare: Suitable for medical devices requiring dependable performance over broad operating conditions due to its precise component control and low power consumption.
Q & A
- What is the operating frequency of the AT91SAM9G20B-CU?
The AT91SAM9G20B-CU operates at a frequency of up to 400 MHz.
- What is the package type of the AT91SAM9G20B-CU?
The AT91SAM9G20B-CU is packaged in a 217-ball Low-profile Fine-pitch Ball Grid Array (LFBGA).
- Is the AT91SAM9G20B-CU RoHS compliant?
- What are the key communication peripherals of the AT91SAM9G20B-CU?
The key communication peripherals include Full Speed USB host and device interfaces, a 10/100 Ethernet MAC, and an image sensor interface.
- What is the operating temperature range of the AT91SAM9G20B-CU?
The operating temperature range is from -40°C to 85°C.
- Does the AT91SAM9G20B-CU support NAND flash?
- How many DMA channels does the AT91SAM9G20B-CU have?
- What is the maximum ADC resolution of the AT91SAM9G20B-CU?
- Does the AT91SAM9G20B-CU have a hardware RTCC?
- Where can I find the AT91SAM9G20B-CU for purchase?
- What are some potential industry applications for the AT91SAM9G20B-CU?
