Complete datasheet for the Atmel ATmega128, a 64-pin 8-bit AVR microcontroller with 128 KB of flash, EEPROM, SRAM, two USARTs and JTAG.

Instruction set reference in PDF format, 758 KB; the name alone does not specify the architecture, though it sits alongside AVR documents and most likely is the Atmel…

Family manual for the Atmel AVR XMEGA A series, a 4.96 MB PDF that explains the CPU, DMA, event system, clocks, power management, timers, USART, SPI, TWI, ADC, DAC…

Datasheet labelled AT89C8252, an Atmel 8051-family microcontroller document of 316 KB; the same size as the AT89S8252 sheet suggests related or identical content, so…

Atmel datasheet for the AT89C4051, a compact 20-pin 8051-compatible microcontroller with 4 KB of flash and an onboard analog comparator.

PDF datasheet for the Atmel AT89C1051, the smallest member of the 20-pin 8051-compatible family, offering 1 KB of flash, 64 bytes of RAM and an analog comparator.

Full datasheet for the Atmel ATmega169 8-bit AVR microcontroller, with the name indicating coverage of silicon revisions A through E.

Datasheet for the Atmel ATxmega A1 series, the 100-pin members of the AVR XMEGA family.

Datasheet in PDF form, 246 KB, named only by the document number doc6272, so the file name gives no hint of the exact component.

PDF datasheet of 634 KB carrying only the reference doc6258, which does not reveal the device it covers.

Preliminary datasheet for the Atmel AT91SAM7S series of ARM7TDMI-based flash microcontrollers, a 10.5 MB PDF.

Datasheet for the Atmel AT89S52, one of the most popular 8051-compatible microcontrollers, with 8 KB of ISP flash, 256 bytes of RAM and three 16-bit timers.

PDF datasheet for the Atmel AT89S51, an 8051-compatible microcontroller with 4 KB of in-system programmable flash and 128 bytes of RAM.

Datasheet for the Atmel AT89C1051U, a 20-pin 8051-compatible microcontroller with 1 KB of flash; the U version adds a UART and second timer compared with the basic…

A 1.78 MB PDF datasheet for the tiny2313, consistent with the Atmel AVR ATtiny2313 microcontroller.

Complete 3.65 MB datasheet for the mega640, 1281, 1280, 2561 and 2560, consistent with the Atmel AVR ATmega640/1280/1281/2560/2561 family, the larger AVR parts in 64 and…

Summary edition of the ATmega169 datasheet, as the trailing s in the name suggests, covering revisions A to E of this Atmel AVR microcontroller with built-in LCD driver.

Full datasheet for the tiny28 device, a name that matches the Atmel AVR ATtiny28 8-bit microcontroller family, supplied as a 933 KB PDF.

Complete datasheet in PDF form, 1.23 MB, for the tiny26, which corresponds to the Atmel AVR ATtiny26 8-bit microcontroller. No revision is given in the name.

Full family datasheet, 1.60 MB PDF, covering the tiny24, tiny44 and tiny84, consistent with the Atmel AVR ATtiny24/44/84 microcontrollers.

Summary datasheet for the Atmel ATmega48, ATmega88 and ATmega168 family, indicated by the s suffix in the name.

Device datasheet for the Atmel ATxmega A4 series, the 44-pin members of the AVR XMEGA A family.

Datasheet for the Atmel ATxmega D4 series, the 44-pin devices of the AVR XMEGA D family.

Large 9.85 MB PDF datasheet named doc6120, a document number that does not state the component.

Atmel datasheet covering the AT24C32 and AT24C64 serial EEPROMs, 32 Kbit and 64 Kbit two-wire I2C memories.

Datasheet stored as a 1.05 MB PDF and named only doc6327, a document number with no component name in it.

Datasheet in PDF format, 1.39 MB, labelled doc6213, which is a document code and does not name the part.

Short Atmel document tied to the AT89S8253 microcontroller, marked AN in the name, which most likely indicates an application note rather than the full datasheet.

Datasheet in PDF form (127 KB) for the AT89C52, an Atmel microcontroller from the 8051-compatible family with on-chip flash program memory.

Datasheet in PDF form for the Atmel AT89C2051, a 20-pin 8051-family microcontroller with 2 KB of flash, 128 bytes of RAM and a built-in analog comparator on P1.0 and…

A 1.38 MB full datasheet covering the tiny13, which matches the widely used Atmel AVR ATtiny13 microcontroller in small 8-pin packages. The file name lists no revision.

PDF datasheet of 150 KB whose name, doc6229, is only a document number and does not state the component it describes.

A 116 KB summary datasheet for the tiny11 and tiny12, consistent with the Atmel AVR ATtiny11 and ATtiny12 small 8-pin microcontrollers.