Status: | Active |
---|---|
Series: | AT91SAM7S256 |
RoHS: | Compliant |
Microchip's ARM®-based SAM7S256 is a member of the SAM7S series of flash microcontrollers based on the 32-bit ARM7TDMI RISC processor.
It operates at a maximum speed of 55MHz and features 128KB of flash memory and 64KB of SRAM.
The peripheral set includes a Full Speed USB device and Phy at 12Mbps, UART, two USARTs, TWI (I2C), SPI, SSC, two PWM timers, three 16-bit timers, RTT, 8x10-bit ADC and 32 IO lines. It achieves single-cycle instruction access from embedded flash at 27 MIPS.
The multi-layer bus matrix, multiple SRAM banks, PDC, and DMA support parallel tasks and maximize data throughput.
The SAM7S256 operates from 1.65V to 3.6V and is available in 64-pin LQFP and QFN packages.
Prices starting from US$8.45
Distributor | Stock | ||
---|---|---|---|
Farnell
from US$10.98
|
2,006
in stock
|
Buy Now | |
Microchip Technology
from US$8.45
|
10,500
in stock
|
Buy Now | |
Newark Electronics
from US$10.57
|
2,006
in stock
|
Buy Now | |
element14
from US$11.18
|
2,006
in stock
|
Buy Now | |
Future Electronics
from US$9.56
|
-
|
Buy Now | |
EBV Elektronik
-
|
-
|
Buy Now | |
Avnet Silica
-
|
-
|
Buy Now |
ARM7TDMI® ARM® Thumb® Processor 32-bit RISC Architecture |
High-density 16-bit Instruction Set |
EmbeddedICEâ„¢ In-circuit Emulation, Debug Communication Channel Support |
256 Kbytes, Organized in 1024 Pages of 256 Bytes (Single Plane) |
64 Kbytes embedded SRAM, Single-cycle Access at Maximum Speed |
Memory Controller (MC) |
Memory Protection Unit |
Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External Components |
Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout Detector |
Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and One PLL |
Power Management Controller (PMC) |
Advanced Interrupt Controller (AIC) |
Two-wire UART and Support for Debug Communication Channel interrupt, Programmable ICE Access Prevention |
20-bit Programmable Counter plus 12-bit Interval Counter |
Windowed Watchdog (WDT) |
Real-time Timer (RTT) |
32 Parallel Input/Output Controllers (PIO) |
Eleven Peripheral DMA Controller (PDC) Channels |
Four High-current Drive I/O lines, Up to 16 mA Each |
64-lead LQFP |
64-pad QFN |
One Synchronous Serial Controller (SSC) |
Two Universal Synchronous/Asynchronous Receiver Transmitters (USART) |
One Master/Slave Serial Peripheral Interfaces (SPI) |
One USB 2.0 Full Speed (12 Mbits per second) Device Port |
One Three-channel 16-bit Timer/Counter (TC) |
One Four-channel 16-bit PWM Controller (PWMC) |
One Two-wire Interface (TWI) |
One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os |
Up to 55 MHz at 1.8V and 85â‹… C Worst Case Conditions |
Up to 48 MHz at 1.65V and 85â‹… C Worst Case Conditions |
SAM-BA - Interface with SAM-BA Graphic User Interface |
IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins |
Part Family | AT91SAM7S256 |
---|---|
CPU Type | ARM7 |
MaxSpeed (MHz) | 55 |
Program Memory Size (KB) | 256 |
SRAM (KB) | 64 |
Data EEPROM (bytes) | 0 |
Temp. Range Min. | -40 |
Temp. Range Max. | 85 |
Operation Voltage Min.(V) | 3 |
Operation Voltage Max.(V) | 3.6 |
Direct Memory Access (DMA) Channels | 11 |
SPIâ„¢ | 1 |
I2C | 1 |
UART | 3 |
I2S | 0 |
Ethernet | None |
Quadrature Encoder Interface (QEI) | 0 |
Crypto Engine | No |
Number of USB Modules | 1 |
USB Interface | None |
Number of CAN Modules | 0 |
Type of CAN module | None |
ADC Channels | 8 |
Max ADC Resolution (bits) | 10 |
Max ADC Sampling Rate (ksps) | 384 |
Number of DACs | 0 |
Input Capture | 3 |
Standalone Output Compare/ Standard PWM | 0 |
Motor Control PWM Channels | 0 |
Max 16 Bit Digital Timers | 3 |
Number of Comparators | 0 |
Internal Oscillator | 32Khz |
Max I/O Pins | 32 |
Pin Count | 64 |
Low Power | No |
Pins | Packaging | 64 | LQFP |
Temp Range | -40C to +85C |
Packing Media | Tape and reel (1500) |
Data Sheets |
---|
ARM7TDMI Technical Reference Manual Datasheet - This document may have been updated by ARM, please check the ARM web site for its latest version. |
SAM7S Series Datasheet |
Brochures |
---|
Atmel Flash Microcontroller Product Portfolio |
Product Selection Guide |
Atmel-Integrating the Internet of Things |
Supporting Collateral |
---|
Atmel ARM-based Flash Microcontrollers Optimized for Real-Time Control Applicat |
User Guides |
---|
AT91SAM7S-EK Evaluation Board User Guide |
JEDEC Indicator | e3 |
---|---|
ROHS | Compliant |
China EFUP | Compliant |
Device Weight (g) | 0.3683 |
Shipping Weight (kg) | 0.366667 |
Lead Count | 64 |
Package Type | LQFP |
Package Width or Size | 10x10x1.4mm |
Soldering Composition | Matte Tin |
LQFP, Green, IND TEMP, T&R, MRL D | Microchip Technology |
Mcu, Arm7Tdmi, 55Mhz, Lqfp-64 Rohs Compliant: Yes |Microchip AT91SAM7S256D-AU-999 | Newark Electronics |
MCU, ARM7TDMI, 55MHZ, LQFP-64 | element14 |
ARM Microcontrollers - MCU LQFP Green IND TEMP T&R, MRL D | Future Electronics |
MCU 32-Bit SAM7S ARM7TDMI RISC 256KB Flash 1.8V/3.3V 64-Pin LQFP | EBV Elektronik |
Where can I find additional details, specifications and documents for a AT91SAM7S256D-AU-999?
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What category does AT91SAM7S256D-AU-999 fall under?
The AT91SAM7S256D-AU-999 is listed under Semiconductors - ICs > Microcontrollers - MCU > 16 / 32 Bit Microcontrollers - MCU - ARM.
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Is the AT91SAM7S256D-AU-999 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
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