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SAM7S321_14 Datasheet, PDF (1/775 Pages) ATMEL Corporation – ARM-based Flash MCU | |||
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AT91SAM
ARM-based Flash MCU
SAM7S512 SAM7S256 SAM7S128 SAM7S64
SAM7S321 SAM7S32 SAM7S161 SAM7S16
Features
⢠Incorporates the ARM7TDMI® ARM® Thumb® Processor
â High-performance 32-bit RISC Architecture
â High-density 16-bit Instruction Set
â Leader in MIPS/Watt
â EmbeddedICE⢠In-circuit Emulation, Debug Communication Channel Support
⢠Internal High-speed Flash
â 512 Kbytes (SAM7S512) Organized in Two Contiguous Banks of 1024 Pages of 256
Bytes (Dual Plane)
â 256 Kbytes (SAM7S256) Organized in 1024 Pages of 256 Bytes (Single Plane)
â 128 Kbytes (SAM7S128) Organized in 512 Pages of 256 Bytes (Single Plane)
â 64 Kbytes (SAM7S64) Organized in 512 Pages of 128 Bytes (Single Plane)
â 32 Kbytes (SAM7S321/32) Organized in 256 Pages of 128 Bytes (Single Plane)
â 16 Kbytes (SAM7S161/16) Organized in 256 Pages of 64 Bytes (Single Plane)
â Single Cycle Access at Up to 30 MHz in Worst Case Conditions
â Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed
â Page Programming Time: 6 ms, Including Page Auto-erase, Full Erase Time: 15 ms
â 10,000 Write Cycles, 10-year Data Retention Capability, Sector Lock Capabilities, Flash
Security Bit
â Fast Flash Programming Interface for High Volume Production
⢠Internal High-speed SRAM, Single-cycle Access at Maximum Speed
â 64 Kbytes (SAM7S512/256)
â 32 Kbytes (SAM7S128)
â 16 Kbytes (SAM7S64)
â 8 Kbytes (SAM7S321/32)
â 4 Kbytes (SAM7S161/16)
⢠Memory Controller (MC)
â Embedded Flash Controller, Abort Status and Misalignment Detection
⢠Reset Controller (RSTC)
â Based on Power-on Reset and Low-power Factory-calibrated Brown-out Detector
â Provides External Reset Signal Shaping and Reset Source Status
⢠Clock Generator (CKGR)
â Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL
⢠Power Management Controller (PMC)
â Software Power Optimization Capabilities, Including Slow Clock Mode (Down to 500
Hz) and Idle Mode
â Three Programmable External Clock Signals
⢠Advanced Interrupt Controller (AIC)
â Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
â Two (SAM7S512/256/128/64/321/161) or One (SAM7S32/16) External Interrupt Source(s)
and One Fast Interrupt Source, Spurious Interrupt Protected
6175MâATARMâ26-Oct-12
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