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SAM7SE256_14 Datasheet, PDF (1/682 Pages) ATMEL Corporation – Internal High-speed Flash | |||
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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, Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes Dual
Plane (SAM7SE512)
â 256 Kbytes (SAM7SE256) Organized in One Bank of 1024 Pages of 256 Bytes
Single Plane (SAM7SE256)
â 32 Kbytes (SAM7SE32) Organized in One Bank of 256 Pages of 128 Bytes Single
Plane (SAM7SE32)
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 Erase Cycles, 10-year Data Retention Capability, Sector Lock Capabilities,
Flash Security Bit
â Fast Flash Programming Interface for High Volume Production
⢠32 Kbytes (SAM7SE512/256) or 8 Kbytes (SAM7SE32) of Internal
High-speed SRAM, Single-cycle Access at Maximum Speed
⢠One External Bus Interface (EBI)
â Supports SDRAM, Static Memory, Glueless Connection to CompactFlash® and
ECC-enabled NAND Flash
⢠Memory Controller (MC)
â Embedded Flash Controller
â Memory Protection Unit
â Abort Status and Misalignment Detection
⢠Reset Controller (RSTC)
â Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout
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 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 External Interrupt Sources and One Fast Interrupt Source, Spurious Interrupt
Protected
⢠Debug Unit (DBGU)
â Two-wire UART and Support for Debug Communication Channel interrupt,
Programmable ICE Access Prevention
â Mode for General Purpose Two-wire UART Serial Communication
⢠Periodic Interval Timer (PIT)
â 20-bit Programmable Counter plus 12-bit Interval Counter
⢠Windowed Watchdog (WDT)
â 12-bit key-protected Programmable Counter
AT91SAM
ARM-based
Flash MCU
SAM7SE512
SAM7SE256
SAM7SE32
6222HâATARMâ25-Jan-12
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