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AT91SAM7XC258

Description
32-BIT, FLASH, 55 MHz, RISC MICROCONTROLLER, PQFP100
Categorysemiconductor    The embedded processor and controller   
File Size474KB,47 Pages
ManufacturerAtmel (Microchip)
Download Datasheet Parametric Compare View All

AT91SAM7XC258 Overview

32-BIT, FLASH, 55 MHz, RISC MICROCONTROLLER, PQFP100

AT91SAM7XC258 Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals100
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage1.95 V
Minimum supply/operating voltage1.65 V
Rated supply voltage1.8 V
External data bus width0.0
Number of input and output buses62
Line speed55 MHz
Processing package descriptionGreen, MS-026, LQFP-100
stateEOL/LIFEBUY
packaging shapeSQUARE
Package SizeFLATPACK, LOW PROFILE, FINE PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.5000 mm
Terminal locationFour
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
ADC channelYes
Address bus width0.0
Number of digits32
Maximum FCLK clock frequency50 MHz
DMA channelYes
Microprocessor typeReduced Instruction Set Microcontroller
PWM channelYes
ROM programmingFLASH
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 (AT91SAM7XC512) Organized in Two Banks of 1024 Pages of 256 Bytes
(Dual Plane)
– 256 Kbytes (AT91SAM7XC256) Organized in 1024 Pages of 256 Bytes (Single
Plane)
– 128 Kbytes (AT91SAM7XC128) Organized in 512 Pages of 256 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
– 128 Kbytes (AT91SAM7XC512)
– 64 Kbytes (AT91SAM7XC256)
– 32 Kbytes (AT91SAM7XC128)
Memory Controller (MC)
– Embedded Flash Controller, 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
– Four 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)
– 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
Product
Description
AT91SAM7XC512
AT91SAM7XC258
AT91SAM7XC128
Summary
NOTE:
This is a summary document.
The complete document is available on
the Atmel website at www.atmel.com.
6209DS–ATARM–17-Feb-09

AT91SAM7XC258 Related Products

AT91SAM7XC258 AT91SAM7XC128 AT91SAM7XC512_09 AT91SAM7XC512-AU AT91SAM7XC512
Description 32-BIT, FLASH, 55 MHz, RISC MICROCONTROLLER, PQFP100 32-BIT, FLASH, 55 MHz, RISC MICROCONTROLLER, PQFP100 32-BIT, FLASH, 55 MHz, RISC MICROCONTROLLER, PQFP100 32-BIT, FLASH, 55 MHz, RISC MICROCONTROLLER, PQFP100 32-BIT, FLASH, 55 MHz, RISC MICROCONTROLLER, PQFP100
Number of terminals 100 100 100 100 100
Maximum operating temperature 85 Cel 85 Cel 85 Cel 85 °C 85 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel -40 °C -40 Cel
External data bus width 0.0 0.0 0.0 - 0.0
surface mount Yes Yes Yes YES Yes
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal location Four Four Four QUAD Four
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Address bus width 0.0 0.0 0.0 - 0.0
DMA channel Yes Yes Yes YES Yes
PWM channel Yes Yes Yes YES Yes
Number of functions 1 1 1 - 1
Maximum supply/operating voltage 1.95 V 1.95 V 1.95 V - 1.95 V
Minimum supply/operating voltage 1.65 V 1.65 V 1.65 V - 1.65 V
Rated supply voltage 1.8 V 1.8 V 1.8 V - 1.8 V
Number of input and output buses 62 62 62 - 62
Line speed 55 MHz 55 MHz 55 MHz - 55 MHz
Processing package description Green, MS-026, LQFP-100 Green, MS-026, LQFP-100 Green, MS-026, LQFP-100 - Green, MS-026, LQFP-100
state EOL/LIFEBUY EOL/LIFEBUY EOL/LIFEBUY - EOL/LIFEBUY
packaging shape SQUARE SQUARE SQUARE - SQUARE
Package Size FLATPACK, LOW PROFILE, FINE PITCH FLATPACK, LOW PROFILE, FINE PITCH FLATPACK, LOW PROFILE, FINE PITCH - FLATPACK, LOW PROFILE, FINE PITCH
Terminal spacing 0.5000 mm 0.5000 mm 0.5000 mm - 0.5000 mm
Packaging Materials Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy - Plastic/Epoxy
ADC channel Yes Yes Yes - Yes
Number of digits 32 32 32 - 32
Maximum FCLK clock frequency 50 MHz 50 MHz 50 MHz - 50 MHz
Microprocessor type Reduced Instruction Set Microcontroller Reduced Instruction Set Microcontroller Reduced Instruction Set Microcontroller - Reduced Instruction Set Microcontroller
ROM programming FLASH FLASH FLASH - FLASH

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