AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet

AT91SAM7S256D-AU

Manufacturer Part Number

AT91SAM7S256D-AU

Description

ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU

Manufacturer

Atmel

Series

SAM7S256r

Datasheet

1.AT91SAM7S256D-AU.pdf (775 pages)

Specifications of AT91SAM7S256D-AU

Rohs

yes

Core

ARM

Processor Series

AT91SAM

Data Bus Width

16 bit/32 bit

Maximum Clock Frequency

55 MHz

Program Memory Size

256 KB

Data Ram Size

64 KB

On-chip Adc

Yes

Operating Supply Voltage

3 V to 3.6 V

Operating Temperature Range

- 40 C to + 85 C

Package / Case

LQFP-64

Mounting Style

SMD/SMT

Interface Type

2-Wire, I2S, SPI, USART

Length

7 mm

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

AT91SAM7S256D-AU

Manufacturer:

ATMEL

Quantity:

101

Company:

BOSTOCK HK LIMITED

Part Number:

AT91SAM7S256D-AU

Manufacturer:

Atmel

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

AT91SAM7S256D-AU-999

Manufacturer:

Atmel

Quantity:

10 000

Current page: 1 of 775
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Features

•

Incorporates the ARM7TDMI

Internal High-speed Flash

Internal High-speed SRAM, Single-cycle Access at Maximum Speed

Memory Controller (MC)

Reset Controller (RSTC)

Clock Generator (CKGR)

Power Management Controller (PMC)

Advanced Interrupt Controller (AIC)

– High-performance 32-bit RISC Architecture

– High-density 16-bit Instruction Set

– Leader in MIPS/Watt

– EmbeddedICE

– 512 Kbytes (SAM7S512) Organized in Two Contiguous Banks of 1024 Pages of 256

– 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

– Fast Flash Programming Interface for High Volume Production

– 64 Kbytes (SAM7S512/256)

– 32 Kbytes (SAM7S128)

– 16 Kbytes (SAM7S64)

– 8 Kbytes (SAM7S321/32)

– 4 Kbytes (SAM7S161/16)

– Embedded Flash Controller, Abort Status and Misalignment Detection

– Based on Power-on Reset and Low-power Factory-calibrated Brown-out Detector

– Provides External Reset Signal Shaping and Reset Source Status

– Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL

– Software Power Optimization Capabilities, Including Slow Clock Mode (Down to 500

– Three Programmable External Clock Signals

– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources

– Two (SAM7S512/256/128/64/321/161) or One (SAM7S32/16) External Interrupt Source(s)

Bytes (Dual Plane)

Security Bit

Hz) and Idle Mode

and One Fast Interrupt Source, Spurious Interrupt Protected

SAM7S512 SAM7S256 SAM7S128 SAM7S64

SAM7S321 SAM7S32 SAM7S161 SAM7S16

™

In-circuit Emulation, Debug Communication Channel Support

ARM

Thumb

Processor

ARM-based Flash MCU

6175M–ATARM–26-Oct-12

AT91SAM

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