Overview
The AT91SAM9260B-CU, produced by Microchip Technology, is a powerful ARM-based embedded microprocessor. It integrates an ARM926EJ-S processor, which operates at a maximum speed of 180 MHz. This microprocessor is designed to provide a robust platform for a wide range of applications, including industrial control, medical devices, and consumer electronics. The SAM9260B-CU features fast ROM and RAM memories along with a comprehensive set of peripherals, making it a versatile choice for complex system designs.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM926EJ-S |
| Maximum Speed | 180 MHz |
| Operation Voltage Min. | 1.65 V |
| Operation Voltage Max. | 1.95 V |
| Internal Oscillator | 32 kHz RC Oscillator |
| External Bus Interface | 32-bit, supporting SDRAM/LPSDR, Static Memories, CompactFlash, SLC NAND Flash with ECC |
| Internal Memories | Two 4-kbyte internal SRAM, one 32-kbyte internal ROM |
| Package | 217-ball LFBGA, 0.8 mm pitch; 208-pin QFP, 0.5 mm pitch |
Key Features
- ARM926EJ-S processor with 8 KBytes Data Cache and 8 KBytes Instruction Cache, MMU
- Integrated Ethernet MAC, USB Device and USB Host with dedicated On-Chip Transceiver
- High Speed Memory Card Host, ITU-R BT. 601/656 Image Sensor Interface
- Two Master/Slave Serial Peripheral Interfaces, Two Three-channel 32-bit Timer/Counters
- One Synchronous Serial Controller, One Two-wire Interface, Four USARTs, Two UARTs
- 4-channel 10-bit ADC, 90 MHz six 32-bit layer AHB Bus Matrix
- 22 Peripheral DMA Channels, Boot from NAND Flash, DataFlash®, or serial DataFlash
- Reset Controller with On-Chip Power-on Reset, Selectable 32,768 Hz Low-Power and 3-20 MHz Main Oscillator
- Advanced Interrupt Controller and Debug Unit, Periodic Interval Timer, Watchdog Timer, and Real Time Timer
- Three 32-bit Parallel Input/Output Controllers, 96 Programmable I/O Lines
Applications
The AT91SAM9260B-CU is suitable for a variety of applications, including:
- Industrial control systems: Due to its robust peripheral set and high-speed processing capabilities.
- Medical devices: Where reliability and precision are crucial.
- Consumer electronics: Such as set-top boxes, digital video recorders, and other multimedia devices.
- Automotive systems: For in-vehicle infotainment and control systems.
- Networking and communication devices: Leveraging its integrated Ethernet MAC and USB interfaces.
Q & A
- What is the core processor of the AT91SAM9260B-CU?
The core processor is the ARM926EJ-S. - What is the maximum operating speed of the AT91SAM9260B-CU?
The maximum operating speed is 180 MHz. - What are the voltage ranges for the core power supply?
The voltage ranges from 1.65 V to 1.95 V. - What types of memories does the AT91SAM9260B-CU support?
It supports 32-bit External Bus Interface for SDRAM/LPSDR, Static Memories, CompactFlash, and SLC NAND Flash with ECC. - Does the AT91SAM9260B-CU have integrated USB and Ethernet capabilities?
Yes, it has integrated USB Device and USB Host with dedicated On-Chip Transceiver and a 10/100 Mbps Ethernet MAC Controller. - What are the available package options for the AT91SAM9260B-CU?
The available packages are 217-ball LFBGA with 0.8 mm pitch and 208-pin QFP with 0.5 mm pitch. - Does the AT91SAM9260B-CU support multiple clock sources?
Yes, it supports selectable 32,768 Hz Low-Power and 3-20 MHz Main Oscillator, and an internal 32 kHz RC Oscillator. - What is the role of the Advanced Interrupt Controller in the AT91SAM9260B-CU?
The Advanced Interrupt Controller manages and prioritizes interrupts from various peripherals. - Can the AT91SAM9260B-CU boot from different memory types?
Yes, it can boot from NAND Flash, DataFlash®, or serial DataFlash. - What is the purpose of the Periodic Interval Timer and Watchdog Timer in the AT91SAM9260B-CU?
These timers are used for scheduling periodic tasks and ensuring system reliability by monitoring and resetting the system if it fails to respond within a specified time.
