Overview
The AT91SAM9260B-QU is a 32-bit embedded microprocessor unit (MPU) developed by Microchip Technology, formerly Atmel. This microcontroller is based on the ARM926EJ-S processor, which integrates a wide range of peripherals and memory options, making it suitable for various embedded system applications. The SAM9260 series is known for its high performance, low power consumption, and extensive set of on-chip peripherals.
Key Specifications
| Parameter | Value |
|---|---|
| Processor | ARM926EJ-S |
| Maximum Speed | 180 MHz |
| Operation Voltage | 1.65V to 1.95V (core), 3.0V to 3.6V (peripherals) |
| Internal Memories | 32 KB internal ROM, 8 KB data cache, 8 KB instruction cache, 2x4 KB internal SRAM |
| External Bus Interface | Supports 4-bank SDRAM/LPSDR, Static Memories, CompactFlash, SLC NAND Flash with ECC |
| Peripherals | USB Device and Host, 10/100 Mbps Ethernet MAC, ITU-R BT. 601/656 Image Sensor Interface, SPI, TWI, Timer/Counters, Synchronous Serial Controller, USARTs, UARTs, 4-channel 10-bit ADC |
| Package | 208-pin QFP, 0.5 mm pitch |
| Power Supplies | VDDCORE: 1.65V to 1.95V, VDDIOM: 1.65V to 1.95V or 3.0V to 3.6V, VDDIOP: 3.0V to 3.6V |
Key Features
- High-Performance Processor: The ARM926EJ-S processor with 180 MHz clock speed, 8 KB data cache, and 8 KB instruction cache.
- Extensive Peripherals: Includes USB Device and Host, 10/100 Mbps Ethernet MAC, ITU-R BT. 601/656 Image Sensor Interface, SPI, TWI, Timer/Counters, Synchronous Serial Controller, USARTs, UARTs, and a 4-channel 10-bit ADC.
- Memory Options: 32 KB internal ROM, 2x4 KB internal SRAM, and support for external memories like SDRAM/LPSDR, Static Memories, CompactFlash, and SLC NAND Flash with ECC.
- Power Management: Multiple power supply pins with voltage ranges from 1.65V to 1.95V for the core and 3.0V to 3.6V for peripherals, along with internal low-power oscillators and PLLs.
- Advanced Interrupt and Debug Capabilities: Advanced Interrupt Controller and Debug Unit, Periodic Interval Timer, Watchdog Timer, and Real Time Timer.
Applications
- Industrial Automation: Suitable for control systems, industrial networking, and automation due to its robust set of peripherals and high-performance capabilities.
- Medical Devices: Can be used in medical devices requiring high reliability, low power consumption, and advanced peripherals like USB and Ethernet.
- Consumer Electronics: Ideal for consumer electronics such as set-top boxes, digital TVs, and other multimedia devices due to its support for image sensor interfaces and multimedia card hosts.
- Aerospace and Defense: Its reliability and performance make it a candidate for use in aerospace and defense applications where robustness and low power consumption are critical.
Q & A
- What is the core processor of the AT91SAM9260B-QU?
The core processor is the ARM926EJ-S.
- What is the maximum operating frequency of the AT91SAM9260B-QU?
The maximum operating frequency is 180 MHz.
- What types of memory does the AT91SAM9260B-QU support?
It supports 32 KB internal ROM, 2x4 KB internal SRAM, and various external memory types including SDRAM/LPSDR, Static Memories, CompactFlash, and SLC NAND Flash with ECC.
- What peripherals are integrated into the AT91SAM9260B-QU?
The peripherals include USB Device and Host, 10/100 Mbps Ethernet MAC, ITU-R BT. 601/656 Image Sensor Interface, SPI, TWI, Timer/Counters, Synchronous Serial Controller, USARTs, UARTs, and a 4-channel 10-bit ADC.
- What is the package type of the AT91SAM9260B-QU?
The package type is a 208-pin QFP with a 0.5 mm pitch.
- What are the power supply voltage ranges for the AT91SAM9260B-QU?
The core voltage ranges from 1.65V to 1.95V, and the peripheral voltage ranges from 3.0V to 3.6V.
- Does the AT91SAM9260B-QU support low-power modes?
Yes, it supports low-power modes with internal low-power oscillators and PLLs.
- What are some common applications of the AT91SAM9260B-QU?
Common applications include industrial automation, medical devices, consumer electronics, and aerospace and defense.
- Is the AT91SAM9260B-QU RoHS compliant?
Yes, the AT91SAM9260B-QU is RoHS compliant.
- Where can I find detailed documentation for the AT91SAM9260B-QU?
Detailed documentation can be found on the Microchip Technology website and through authorized distributors.
