AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 2

• Manufacturer Part Number: AT91SAM7SE256B-CUR
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CUR

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: SAM7SE256
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 88
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Processor To Be Evaluated: AT91SAM7SE256B
• Supply Current (max): 60 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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Real-time Timer (RTT)
Three Parallel Input/Output Controllers (PIO)
Eleven Peripheral DMA Controller (PDC) Channels
One USB 2.0 Full Speed (12 Mbits per second) Device Port
One Synchronous Serial Controller (SSC)
Two Universal Synchronous/Asynchronous Receiver Transmitters (USART)
One Master/Slave Serial Peripheral Interfaces (SPI)
One Three-channel 16-bit Timer/Counter (TC)
One Four-channel 16-bit PWM Controller (PWMC)
One Two-wire Interface (TWI)
One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os
SAM-BA
IEEE
Four High-current Drive I/O lines, Up to 16 mA Each
Power Supplies
Fully Static Operation:
Available in a 128-lead LQFP Green Package, or a 144-ball LFBGA RoHS-compliant Package
– Provides Reset or Interrupt Signals to the System
– Counter May Be Stopped While the Processor is in Debug State or in Idle Mode
– 32-bit Free-running Counter with Alarm
– Runs Off the Internal RC Oscillator
– 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
– On-chip Transceiver, Eight Endpoints, 2688-byte Configurable Integrated FIFOs
– 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
– Individual Baud Rate Generator, IrDA
– Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support
– Full Modem Line Support on USART1
– 8- to 16-bit Programmable Data Length, Four 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, Multi-Master and Slave Mode Support, All Two-wire Atmel EEPROMs Supported
– General Call Supported in Slave Mode
– Default Boot program
– Interface with SAM-BA Graphic User Interface
– 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
– Up to 55 MHz at 1.8V and 85⋅ C Worst Case Conditions
– Up to 48 MHz at 1.65V and 85⋅ C Worst Case Conditions
®
1149.1 JTAG Boundary Scan on All Digital Pins
SAM7SE512/256/32 Preliminary
®
®
Infrared Modulation/Demodulation
6222F–ATARM–14-Jan-11