SAM7SE32_14 Datasheet, PDF (1/682 Pages) ATMEL Corporation – Internal High-speed Flash

Features
• Incorporates the ARM7TDMI^® ARM^® Thumb^® Processor
– High-performance 32-bit RISC Architecture
– High-density 16-bit Instruction Set
– Leader in MIPS/Watt
– EmbeddedICE^™ In-circuit Emulation, Debug Communication Channel Support
• Internal High-speed Flash
– 512 Kbytes, Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes Dual
Plane (SAM7SE512)
– 256 Kbytes (SAM7SE256) Organized in One Bank of 1024 Pages of 256 Bytes
Single Plane (SAM7SE256)
– 32 Kbytes (SAM7SE32) Organized in One Bank of 256 Pages of 128 Bytes Single
Plane (SAM7SE32)
– 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 Erase Cycles, 10-year Data Retention Capability, Sector Lock Capabilities,
Flash Security Bit
– 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)
– Supports SDRAM, Static Memory, Glueless Connection to CompactFlash^® and
ECC-enabled NAND Flash
• Memory Controller (MC)
– Embedded Flash Controller
– Memory Protection Unit
– Abort Status and Misalignment Detection
• Reset Controller (RSTC)
– Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout
Detector
– Provides External Reset Signal Shaping and Reset Source Status
• Clock Generator (CKGR)
– Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and One PLL
• Power Management Controller (PMC)
– Power Optimization Capabilities, Including Slow Clock Mode (Down to 500 Hz) and
Idle Mode
– Three Programmable External Clock Signals
• Advanced Interrupt Controller (AIC)
– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
– Two External Interrupt Sources and One Fast Interrupt Source, Spurious Interrupt
Protected
• Debug Unit (DBGU)
– Two-wire UART and Support for Debug Communication Channel interrupt,
Programmable ICE Access Prevention
– Mode for General Purpose Two-wire UART Serial Communication
• Periodic Interval Timer (PIT)
– 20-bit Programmable Counter plus 12-bit Interval Counter
• Windowed Watchdog (WDT)
– 12-bit key-protected Programmable Counter
AT91SAM
ARM-based
Flash MCU
SAM7SE512
SAM7SE256
SAM7SE32
6222H–ATARM–25-Jan-12