Datasheet for the Microchip ENC28J60, a stand-alone 10Base-T Ethernet controller with an SPI interface, as a 480 KB PDF.

Datasheet for the STMicroelectronics STM32F205RET6, an ARM Cortex-M3 microcontroller from the STM32F2 series, in a 2.22 MB PDF.

PDF datasheet of 2.58 MB for the Microchip PIC16C5x series, the original baseline line of small 8-bit OTP or EPROM controllers found in older appliances, remotes and…

A general PIC reference document in PDF form, 869 KB in size. The name gives only a generic book title and no specific device, author or edition, so its exact contents…

Microchip PIC16HV540 datasheet in PDF, 1.48 MB. The HV designation refers to a high-voltage variant of the baseline PIC family designed to run from a wider supply range…

Datasheet for the tiny22, a name pointing to the Atmel AVR ATtiny22 microcontroller, provided as a 933-935 KB class PDF of 935 KB.

Full family datasheet, 1.66 MB PDF, for the tiny25, tiny45 and tiny85, consistent with the Atmel AVR ATtiny25/45/85 8-pin microcontrollers.

Full datasheet covering the ATmega325, ATmega3250, ATmega645 and ATmega6450 AVR microcontrollers, a 2.69 MB PDF.

Combined datasheet for the Atmel ATmega48, ATmega88 and ATmega168 AVR microcontrollers, which share one pin-compatible family and differ mainly in flash, EEPROM and SRAM…

Full Atmel datasheet for the AT89S8253, an 8051-compatible microcontroller with 12 KB of in-system programmable flash and 2 KB of onboard EEPROM.

Datasheet for the Atmel AT89S8252, an 8051-family microcontroller with 8 KB of downloadable flash, 2 KB of EEPROM and an SPI interface used for in-system programming.

Atmel datasheet for the AT89S53, an 8051-compatible microcontroller with 12 KB of in-system programmable flash and SPI serial programming.

Atmel datasheet for the AT89C55WD, an 8051-compatible microcontroller with 20 KB of flash, 256 bytes of RAM, three timers and a watchdog timer, as reflected by the WD…

PDF datasheet of 274 KB for the AD7828 from Analog Devices, an 8-bit analogue-to-digital converter with an eight-channel input multiplexer and microprocessor interface.

Datasheet PDF for the SED1330, around 388 KB, an Epson LCD controller from the same family as the SED1335.

Datasheet for the Microchip dsPIC30F family of digital signal controllers, supplied as a 5.10 MB PDF.

Short summary version of the tiny28 datasheet, indicated by the s suffix and the small 139 KB size, matching the Atmel AVR ATtiny28 microcontroller.

Short-form datasheet, 189 KB PDF, for the tiny25, tiny45 and tiny85, matching the Atmel AVR ATtiny25/45/85 family of 8-pin microcontrollers that differ mainly in flash…

Datasheet PDF of 590 KB covering the tiny4, tiny5, tiny9 and tiny10, matching the Atmel AVR ATtiny4/5/9/10 family of very small 6-pin microcontrollers.

Datasheet in PDF form for the Atmel ATmega323, an older 8-bit AVR microcontroller with in-system programmable flash, EEPROM, SRAM and JTAG interface.

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

Reference document of 1.20 MB in PDF form whose name, SDC, most likely refers to the SD memory card, although the file name gives no maker or version.

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.

A 537 KB PDF datasheet for the AD7542 from Analog Devices, a 12-bit multiplying DAC designed to load data from a 4-bit microprocessor bus in nibble form.

Datasheet for the Microchip PIC16LC74B, a compact 615 KB PDF. The LC prefix indicates the low-voltage version of the PIC16C74B, with an extended supply range suited to…

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

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…

Application note for C51 parts, the common shorthand for 8051-family microcontrollers, provided as a 492 KB PDF.

Realtek ALC269 audio codec datasheet in PDF form, 1.25 MB; the extra (1) in the name only marks a duplicate copy.

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

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.

Small PDF datasheet titled only as lcd, so the exact display model or controller is not identified by the name.

Application note about the 8051 microcontroller architecture, stored as a 319 KB PDF without any vendor named in the title.

A 141 KB PDF datasheet describing the PC0802LRU-ASO-H character LCD, a part code in the Powertip style for an 8-character, 2-line module, with ASO as the option code and…

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