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AT91SAM9261
  • AT91SAM9261

AT91SAM9261

Not Recommended for new designs

Recommended substitute device - SAM9X60 The ARM®-based SAM9261 runs up to 190MHz with 160KB of SRAM that can be configured as TCM (tightly-coupled memory). It features an extensive peripheral set that includes an integrated graphics LCD controller supporting screen resolutions up to 1280x860 with 16M colors and 24bpp. The device integrates multiple communication interfaces, such as FS USB host and device with 2 ports and 2 transceivers, a FS USB Device, USARTs, SPIs, I2S and I2C. The external bus interface incorporates controllers for SDRAM and Static memories, with specific interface circuitry for CompactFlash and NAND flash. The device is available in a BGA217 package with 0.8mm ball pitch....

Microchip Technology AT91SAM9261 Product Info

16 April 2026 0

Features

  • ARM926 ARM Thumb Processor running up to 190 MHz
  • 16-Kbyte Data Cache, 16-Kbyte Instruction Cache
  • Memory Management Unit
  • Embedded Trace Module
  • 160 Kbytes of SRAM, single-cycle access
  • 32 Kbytes of ROM embedding standard bootstrap
  • 32-bit External Bus Interface (EBI) supporting SDRAM, Static Memory, Burst Flash, Glueless Connection to CompactFlash® and NAND Flash/SmartMedia®
  • Enhanced Clock Generator and Power Management Controller
  • On-chip Oscillator with Two PLLs
  • Very Slow Clock Operating Mode and Software Power Optimization Capabilities
  • Two Programmable External Clock Signals
  • System Timer Including Periodic Interrupt, Watchdog and Second Counter
  • Real-time Clock with Alarm Interrupt
  • Debug Unit, Two-wire UART and Support for Debug Communication Channel
  • Advanced Interrupt Controller with 8-level Priority, Individually Maskable Vectored Interrupt Sources, SpuriousInterrupt Protected
  • Seven External Interrupt Sources and One Fast Interrupt Source
  • Three 32-bit PIO Controllers with Up to 96 Programmable I/O Lines, Input Change Interrupt and Open-drain Capability on Each LineLCD
  • 20-channel Peripheral DMA Controller (PDC)
  • Supports Passive or Active Displays
  • Up to 16 bits per Pixel in STN Color Mode
  • Up to 16M Colors in TFT Mode (24-bit per Pixel)
  • Resolution up to 2048x2048
  • Dual On-chip Transceivers (Single Port Only on 208-lead PQFP Package)
  • Integrated FIFOs and Dedicated DMA Channels
  • On-chip Transceiver, 2-Kbyte Configurable Integrated FIFOs
  • Automatic Protocol Control and Fast Automatic Data Transfers
  • MMC and SD Memory Card-compliant, Supports Up to Two SD Memory Cards
  • Independent Clock and Frame Sync Signals for Each Receiver and Transmitter
  • I2S Analog Interface Support, Time Division Multiplex Support
  • High-speed Continuous Data Stream Capabilities with 32-bit Data Transfer
  • Support for ISO7816 T0/T1 Smart Card
  • Hardware Handshaking
  • RS485 Support, IrDA® Up To 115 Kbps
  • Full Modem Control Lines on USART1
  • 8 to 16-bit Programmable Data Length
  • 4 External Peripheral Chip Selects
  • Three External Clock Inputs
  • Two Multi-purpose I/O Pins per Channel
  • Double PWM Generation, Capture/Waveform Mode, Up/Down Capability
  • Master Mode Support, All 2-wire Atmel EEPROMs Supported
  • IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins
  • 1.08V to 1.32V for VDDCORE, VDDOSC and VDDPLL
  • 3.0V to 3.6V for VDDIOP (Peripheral I/Os) and for VDDIOM (Memory I/Os)
  • 217-ball RoHS-compliant LFBGA

    • Description

    Recommended substitute device - SAM9X60

    The ARM®-based SAM9261 runs up to 190MHz with 160KB of SRAM that can be configured as TCM (tightly-coupled memory). It features an extensive peripheral set that includes an integrated graphics LCD controller supporting screen resolutions up to 1280x860 with 16M colors and 24bpp. The device integrates multiple communication interfaces, such as FS USB host and device with 2 ports and 2 transceivers, a FS USB Device, USARTs, SPIs, I2S and I2C. The external bus interface incorporates controllers for SDRAM and Static memories, with specific interface circuitry for CompactFlash and NAND flash. The device is available in a BGA217 package with 0.8mm ball pitch.

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