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AT91SAM7S256-AU-001 +BOM

ARM Microcontrollers - MCU 256kB Flash 64kB SRAM 55MHz 4 PWM

Manufacturer:

Microchip Technology
Mfr.Part #:

AT91SAM7S256-AU-001
Datasheet:

AT91SAM7S256-AU-001 Datasheet (PDF)
Series:

SAM7S
Programmabe:

Verified
Core Processor:

ARM7®
Core Size:

16/32-Bit
EDA/CAD Models:

Request Free CAD Models for AT91SAM7S256-AU-001

Email: [email protected]

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AT91SAM7S256-AU-001 General Description

ARM7® SAM7S Microcontroller IC 16/32-Bit 55MHz 256KB (256K x 8) FLASH 64-LQFP (10x10)

Key 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 (SAM7S512) Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes (Dual Plane)
– 256 Kbytes (SAM7S256) Organized in 1024 Pages of 256 Bytes (Single Plane)
– 128 Kbytes (SAM7S128) Organized in 512 Pages of 256 Bytes (Single Plane)
– 64 Kbytes (SAM7S64) Organized in 512 Pages of 128 Bytes (Single Plane)
– 32 Kbytes (SAM7S321/32) Organized in 256 Pages of 128 Bytes (Single Plane)
– 16 Kbytes (SAM7S161/16) 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 (SAM7S512/256)
– 32 Kbytes (SAM7S128)
– 16 Kbytes (SAM7S64)
– 8 Kbytes (SAM7S321/32)
– 4 Kbytes (SAM7S161/16)
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 (SAM7S512/256/128/64/321/161) or One (SAM7S32/16) External Interrupt Source(s) and One Fast Interrupt Source, Spurious Interrupt Protected
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Specifications

Series	SAM7S	Programmabe	Verified
Core Processor	ARM7®	Core Size	16/32-Bit
Speed	55MHz	Connectivity	I2C, SPI, SSC, UART/USART, USB
Peripherals	Brown-out Detect/Reset, DMA, POR, PWM, WDT	Number of I/O	32
Program Memory Size	256KB (256K x 8)	Program Memory Type	FLASH
RAM Size	64K x 8	Voltage - Supply (Vcc/Vdd)	1.65V ~ 1.95V
Data Converters	A/D 8x10b	Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)	Mounting Type	Surface Mount
Base Product Number	AT91SAM7S256