Microchip Technology AT91SAM7S128D-AU, 32bit ARM Microcontroller, 55MHz, 128 kB Flash, 64-Pin LQFP

  • RS Stock No. 177-3606
  • Mfr. Part No. AT91SAM7S128D-AU
  • Manufacturer Microchip
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): TW
Product Details

Microchip's ARM®-based SAM7S128 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 32KB of SRAM. The peripheral set includes a Full Speed USB device and PHY at 12Mbps, UART, two USARTs, TWI (I2C), SPI, SSC,PWM timers, three 16-bit timers, RTT, 8x10-bit ADC, 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 SAM7S128 operates from 1.65V to 3.6V and is available in 64-pin LQFP and QFN packages.

Microcontroller Features
Core
ARM7TDMI® ARM® Thumb® Processor 32-bit RISC Architecture
High-density 16-bit Instruction Set
EmbeddedICE™ In-circuit Emulation, Debug Communication Channel Support
Memories
128Kb, Organized in 512 Pages of 256 Bytes (Single Plane)
32Kb embedded SRAM, Single-cycle

Specifications
Attribute Value
Family Name AT91
Package Type LQFP
Mounting Type Surface Mount
Pin Count 64
Device Core ARM
Data Bus Width 32bit
Program Memory Size 128 kB
Maximum Frequency 55MHz
RAM Size 128 kB
USB Channels 1
Number of PWM Units 1
ADC Channels 8
Number of SPI Channels 1
Typical Operating Supply Voltage 3.3 V
PWM Resolution 16bit
Instruction Set Architecture RISC
Number of USART Channels 2
ADCs 1 (8 x 10 bit)
Width 10mm
Program Memory Type Flash
Minimum Operating Temperature -40 °C
Number of ADC Units 1
Number of UART Channels 2
Pulse Width Modulation 1 (4 x 16 bit)
Length 10mm
Dimensions 10 x 10 x 1.45mm
Number of Timers 3
Height 1.45mm
Timer Resolution 16bit
ADC Resolution 10bit
Maximum Operating Temperature +85 °C
Number of I2C Channels 1
PWM Channels 4
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