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Siehe Technische Spezifikationen

AT91SAM7S256-MU +BOM

55 MHz clock speed with flash memory, ideal for embedded systems

Hersteller:

MICROCHIP
Herstellerteil #:

AT91SAM7S256-MU
Datenblatt:

AT91SAM7S256-MU Datenblatt (PDF)
Part Life Cycle Code:

Active
Reach Compliance Code:

compliant
Has ADC:

YES
Address Bus Width:

8
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an AT91SAM7S256-MU

AT91SAM7S256-MU Allgemeine Beschreibung

In terms of connectivity, the microcontroller supports up to 55 general-purpose I/O lines, allowing for flexible interfacing options. Additionally, it features a built-in 10-bit ADC for analog input and multiple timers/counters for precise timing and control applications, offering a comprehensive set of features for diverse application needs

Hauptmerkmale

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 (AT91SAM7S512) Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes (Dual Plane)
– 256 Kbytes (AT91SAM7S256) Organized in 1024 Pages of 256 Bytes (Single Plane)
– 128 Kbytes (AT91SAM7S128) Organized in 512 Pages of 256 Bytes (Single Plane)
– 64 Kbytes (AT91SAM7S64) Organized in 512 Pages of 128 Bytes (Single Plane)
– 32 Kbytes (AT91SAM7S321/32) Organized in 256 Pages of 128 Bytes (Single Plane)
– 16 Kbytes (AT91SAM7S161/16 Organized in 256 Pages of 64 Bytes (Single Plane)
– 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, Flash Security Bit
– Fast Flash Programming Interface for High Volume Production
Internal High-speed SRAM, Single-cycle Access at Maximum Speed
– 64 Kbytes (AT91SAM7S512/256)
– 32 Kbytes (AT91SAM7S128)
– 16 Kbytes (AT91SAM7S64)
– 8 Kbytes (AT91SAM7S321/32)
– 4 Kbytes (AT91SAM7S161/16)
Memory Controller (MC)
– Embedded Flash Controller, Abort Status and Misalignment Detection
Reset Controller (RSTC)
– Based on Power-on Reset and Low-power Factory-calibrated Brown-out 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)
– Software 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 (AT91SAM7S512/256/128/64/321/161) or One (AT91SAM7S32/16) External Interrupt Source(s) and One Fast Interrupt Source, Spurious Interrupt Protected
Debug Unit (DBGU)
– 2-wire UART and Support for Debug Communication Channel interrupt, Programmable ICE Access Prevention
– Mode for General Purpose 2-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
– Provides Reset or Interrupt Signals to the System
– Counter May Be Stopped While the Processor is in Debug State or in Idle Mode
(Continue .)

Spezifikationen

Part Life Cycle Code	Active	Reach Compliance Code	compliant
Has ADC	YES	Address Bus Width	8
Bit Size	32	Boundary Scan	YES
CPU Family	ARM7	Clock Frequency-Max	20 MHz
DAC Channels	NO	DMA Channels	YES
External Data Bus Width	8	Format	FIXED POINT
Integrated Cache	NO	JESD-30 Code	S-XQCC-N64
Length	9 mm	Low Power Mode	YES
Number of DMA Channels	11	Number of External Interrupts	2
Number of I/O Lines	32	Number of Serial I/Os	3
Number of Terminals	64	Number of Timers	3
On Chip Data RAM Width	8	On Chip Program ROM Width	8
Operating Temperature-Max	85 °C	Operating Temperature-Min	-40 °C
PWM Channels	YES	RAM (bytes)	65536
ROM (words)	262144	ROM Programmability	FLASH
Seated Height-Max	0.9 mm	Speed	55 MHz
Supply Voltage-Max	1.95 V	Supply Voltage-Min	1.65 V
Supply Voltage-Nom	1.8 V	Surface Mount	YES
Technology	CMOS	Terminal Form	NO LEAD
Terminal Pitch	0.5 mm	Terminal Position	QUAD
Width	9 mm	uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC

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