ATMEL Manuals

The AT89S2051/S4051 is a low-voltage, high-performance CMOS 8-bit microcontroller with 2K/4K bytes of In-System Programmable (ISP) Flash program memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89S2051/S4051 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to embedded control applications.

The AT45DB081D is a 2.5V or 2.7V, serial-interface Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and data-storage applications. The AT45DB081D supports RapidS serial interface for applications requiring very high speed operation.

The AT91SAM7X-EK and AT91SAM7XC-EK evaluation kits enable evaluation capabilities and code development.

This document describes the STK525 dedicated to the AT90USBxxx AVR microcontroller

This document is the AT90USBKey Hardware User Guide, which describes the features and functions of the AT90USBKey development board.

This document introduces the hardware design of DB101, including circuit schematics, PCB layout, bill of materials, etc.

The AVR32 RISC microcontroller series is a 32-bit RISC microcontroller launched by Atmel, with high performance, low power consumption, rich peripheral interfaces and other features, suitable for embedded Linux, RTOS, real-time system and other applications.

This document describes the simplified block diagram and features of AVR Butterfly, including ATmega169 AVR microcontroller, 100-segment LCD display, 4Mbit Dataflash, 32kHz oscillator for RTC, 4-way directional button, light sensor, temperature sensor, speaker for sound generation, etc.

This document describes the features and characteristics of a product named Rev. 4235G–8051–08/05. The product is 80C52 compatible and features six 8-bit I/O ports (64 pins or 68 pins versions) or four 8-bit I/O ports (44 pins version), three 16-bit timer/counters, 256 bytes scratch pad RAM, 9 interrupt sources with 4 priority levels. Additionally, the product includes an integrated power monitor, supports ISP (In-System Programming), and has a high-speed architecture.

This user guide introduces the hardware and software design flow of the ATF15xx-DK3 development kit.

This document introduces the AT91RM9200-EK evaluation board usage method

This document introduces the features of AT91SAM7S256A, including peripherals, communication and clock

This document details the features of the 80C52X2 core, including maximum core frequency, dual data pointer, full-duplex enhanced UART, three 16-bit timers/counters, 256 bytes of scratchpad RAM, 16/32-Kbyte on-chip flash EEPROM, 3-Kbyte flash EEPROM for bootloader, 1-Kbyte EEPROM data, 1024 bytes of on-chip expanded RAM, integrated power monitor, USB 1.1 and 2.0 full-speed compliant module, endpoint 0 for control transfers, 6 programmable endpoints, 48 MHz PLL for full-speed bus operation, bus disconnection on microcontroller request, 5 channels programmable counter array (PCA) and programmable hardware watchdog timer