AT91SAM7S256D-AU Microchip 32bit MCU

AT91SAM7S256D-AU Overview

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

Features

ARM7TDMI® ARM® Thumb® Processor 32-bit RISC Architecture
High-density 16-bit Instruction Set
EmbeddedICE™ 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 85⋅ C Worst Case Conditions
Up to 48 MHz at 1.65V and 85⋅ C Worst Case Conditions
SAM-BA - Interface with SAM-BA Graphic User Interface
IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins