AT91SAM7A3-AU

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Series Information for AT91SAM7A3-AU - Microchip Technology

Features

  • feature
    256 Kbytes of Internal High-speed Flash, Organized in 1024 Pages of 256 Bytes -- Single Cycle Access at Up to 30 MHz in Worst Case Conditions -- Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed -- Page Programming Time: 6 ms, Including Page Auto-erase, Full Erase Time: 15 ms -- 10,000 Write Cycles, 10-year Data Retention Capability, Sector Lock Capabilities
  • feature
    32K Bytes of Internal High-speed SRAM, Single-cycle Access at Maximum Speed
  • feature
    Advanced Interrupt Controller (AIC) -- Individually Maskable, Eight-level Priority, Vectored Interrupt Sources -- Four External Interrupt Sources and One Fast Interrupt Source, Spurious Interrupt Protected
  • feature
    Clock Generator (CKGR) -- Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and One PLL
  • feature
    Debug Unit (DBGU) -- 2-wire UART and Support for Debug Communication Channel interrupt
  • feature
    EmbeddedICEu2122 In-circuit Emulation, Debug Communication Channel Support
  • feature
    Memory Controller (MC) -- Embedded Flash Controller, Abort Status and Misalignment Detection -- Memory Protection Unit
  • feature
    One 8-channel 20-bit PWM Controller (PWMC)
  • feature
    One USB 2.0 Full Speed (12 Mbits per Second) Device Port
  • feature
    Periodic Interval Timer (PIT) -- 20-bit Programmable Counter plus 12-bit Interval Counter
  • feature
    Power Management Controller (PMC) -- Power Optimization Capabilities, including Slow Clock Mode (Down to 500 Hz), Idle Mode, Standby Mode and Backup Mode -- Four Programmable External Clock Signals
  • feature
    Real-time Timer (RTT) -- 32-bit Free-running Counter with Alarm -- Runs Off the Internal RC Oscillator
  • feature
    Reset Controller (RSTC) -- Based on Three Power-on Reset Cells -- Provides External Reset Signal Shaping and Reset Sources Status
  • feature
    Shutdown Controller (SHDWC) -- Programmable Shutdown Pin and Wake-up Circuitry
  • feature
    Two 32-bit Battery Backup Registers for a Total of 8 Bytes
  • feature
    Two Parallel Input/Output Controllers (PIO) -- Sixty-two 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
  • feature
    Windowed Watchdog (WDT) -- 12-bit key-protected Programmable Counter -- Provides Reset or Interrupt Signal to the System -- Counter May Be Stopped While the Processor is in Debug Mode or in Idle State

Description

MCU 32BIT ARM7TDMI 60MHZ LQFP-100
AT91SAM7A3 Preliminary Summary 6042DS–ATARM–14-Dec-06

Specifications

Product Range:
SAM32 Family AT91SAM7X Series Microcontrollers
Architecture:
ARM7TDMI
No. of Bits:
32bit
CPU Speed:
60MHz
Program Memory Size:
256KB
RAM Memory Size:
32KB
No. of Pins:
100Pins
MCU Case Style:
LQFP
No. of I/O's:
62I/O's
Embedded Interface Type:
CAN I2C MMC SPI SSC UART USART
Supply Voltage Min:
1.65V
Supply Voltage Max:
1.95V
MCU Family:
SAM32
MCU Series:
AT91SAM7x
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (15-Jan-2018)
Controller Family/Series:
AT91SAM7xx
Flash Memory Size:
256KB
IC Generic Number:
91SAM7
MPU Core Size:
32bit
Memory Type:
Flash
Microprocessor/Controller Features:
CAN USB 3x USART 2x SPI SSC
No. of ADC Inputs:
16
No. of PWM Channels:
8
No. of Timers:
3
Number of bits in ADC:
10
Operating Temperature Max:
85°C
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Oscillator Type:
Internal
Peripherals:
RTT PMC
Serial Comms:
CAN USB 3x USART 2x SPI SSC