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AT91SAM7S32-AI Datasheet

  • AT91SAM7S32-AI

  • AT91 ARM THUMB BASED MICROCONTROLLERS

  • 446頁

  • ATMEL   ATMEL

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Features
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Incorporates the ARM7TDMI
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ARM
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Thumb
廬
Processor
鈥?High-performance 32-bit RISC Architecture
鈥?High-density 16-bit Instruction Set
鈥?Leader in MIPS/Watt
鈥?Embedded ICE In-circuit Emulation, Debug Communication Channel Support
32 Kbytes of Internal High-speed Flash, Organized in 256 Pages of 128 Bytes
鈥?Single Cycle Access at Up to 30 MHz in Worst Case Conditions
鈥?Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed
鈥?Page Programming Time: 4 ms, Including Page Auto-erase, Full Erase Time: 10 ms
鈥?10,000 Write Cycles, 10-year Data Retention Capability, Sector Lock Capabilities,
Security Bit Guaranteeing Code Confidentiality
鈥?Fast Flash Programming Interface for High Volume Production
8 Kbytes of Internal High-speed SRAM, Single-cycle Access at Maximum Speed
Memory Controller (MC)
鈥?Embedded Flash Controller, Abort Status and Misalignment Detection
Reset Controller (RSTC)
鈥?Based on Power-on Reset and Low-power Factory-calibrated Brownout Detector
鈥?Allows External Reset Signal Shaping and Reset Source Status
Clock Generator (CKGR)
鈥?Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL
Power Management Controller (PMC)
鈥?Software Power Optimization Capabilities, Including Slow Clock Mode (Down to
500 Hz) and Idle Mode
鈥?Three Programmable External Clock Signals
Advanced Interrupt Controller (AIC)
鈥?Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
鈥?One External Interrupt Source and One Fast Interrupt Source, Spurious Interrupt
Protected
Debug Unit (DBGU)
鈥?2-wire UART and Support for Debug Communication Channel interrupt,
Programmable ICE Access Prevention
Periodic Interval Timer (PIT)
鈥?20-bit Programmable Counter plus 12-bit Interval Counter
Windowed Watchdog (WDT)
鈥?12-bit key-protected Programmable Counter
鈥?Provides Reset or Interrupt Signals to the System
鈥?Counter May Be Stopped While the Processor is in Debug State or in Idle Mode
Real-time Timer (RTT)
鈥?32-bit Free-running Counter with Alarm
鈥?Runs Off the Internal RC Oscillator
One Parallel Input/Output Controller (PIOA)
鈥?Twenty-one Programmable I/O Lines Multiplexed with up to Two Peripheral I/Os
鈥?Input Change Interrupt Capability on Each I/O Line
鈥?Individually Programmable Open-drain, Pull-up Resistor and Synchronous Output
Nine Peripheral Data Controller (PDC) Channels
One Synchronous Serial Controller (SSC)
鈥?Independent Clock and Frame Sync Signals for Each Receiver and Transmitter
鈥?I虜S Analog Interface Support, Time Division Multiplex Support
鈥?High-speed Continuous Data Stream Capabilities with 32-bit Data Transfer
One Universal Synchronous/Asynchronous Receiver Transmitters (USART)
鈥?Individual Baud Rate Generator, IrDA Infrared Modulation/Demodulation
鈥?Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support
One Master/Slave Serial Peripheral Interface (SPI)
鈥?8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects
One Three-channel 16-bit Timer/Counter (TC)
鈥?Three External Clock Inputs, Two multi-purpose I/O Pins per Channel
鈥?Double PWM Generation, Capture/Waveform Mode, Up/Down Capability
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AT91 ARM
廬
Thumb
廬
-based
Microcontrollers
AT91SAM7S32
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Preliminary
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6071A鈥揂TARM鈥?8-Oct-04

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