AT91SAM7SE256-CJ View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT91SAM7SE256-CJ

AT91 ARM Thumb-based Microcontrollers

Atmel Corporation 

• Real-time Timer (RTT)

– 32-bit Free-running Counter with Alarm

– Runs Off the Internal RC Oscillator

• Three Parallel Input/Output Controllers (PIO)

– Eighty-eight Programmable I/O Lines Multiplexed with up to Two Peripheral I/Os

– Input Change Interrupt Capability on Each I/O Line

– Individually Programmable Open-drain, Pull-up Resistor and Synchronous Output

– Schmitt Trigger on All inputs

• Eleven Peripheral DMA Controller (PDC) Channels

• One USB 2.0 Full Speed (12 Mbits per second) Device Port

– On-chip Transceiver, Eight Endpoints, 2688-byte Configurable Integrated FIFOs

• One Synchronous Serial Controller (SSC)

– 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

• Two Universal Synchronous/Asynchronous Receiver Transmitters (USART)

– Individual Baud Rate Generator, IrDA® Infrared Modulation/Demodulation

– Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support

– Full Modem Line Support on USART1

• One Master/Slave Serial Peripheral Interfaces (SPI)

– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects

• One Three-channel 16-bit Timer/Counter (TC)

– Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel

– Double PWM Generation, Capture/Waveform Mode, Up/Down Capability

• One Four-channel 16-bit PWM Controller (PWMC)

• One Two-wire Interface (TWI)

– Master, Multi-Master and Slave Mode Support, All Two-wire Atmel EEPROMs Supported

– General Call Supported in Slave Mode

• One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os

• SAM-BA™

– Default Boot program

– Interface with SAM-BA Graphic User Interface

• IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins

• Four High-current Drive I/O lines, Up to 16 mA Each

• Power Supplies

– Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External Components

– 1.8V or 3,3V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash Power Supply

– 1.8V VDDCORE Core Power Supply with Brownout Detector

• Fully Static Operation: Up to 48 MHz at 1.65V and 85° C Worst Case Conditions

• Available in a 128-lead LQFP Green Package, or a 144-ball LFBGA RoHS-compliant Package

2 AT91SAM7SE512/256/32 [Advance Information Summary]

6222AS–ATARM–21-Aug-06

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