Microchip reference datasheet, 2.59 MB PDF, for the PIC16F630 and PIC16F676 flash microcontrollers, two closely related 14-pin parts where the 676 adds an…

Datasheet for the Microchip PIC16F870 and PIC16F871 flash microcontrollers, a 2.76 MB PDF.

Microchip PIC18F458 datasheet, a 3.95 MB PDF; the name also mentions 448, suggesting the PIC18F448 is covered in the same document.

Combined datasheet for the Microchip PIC16F7x series of flash microcontrollers, provided as a 3.95 MB PDF.

Datasheet for the early ATmega103 AVR microcontroller, a 1.99 MB PDF. It documents the 64-pin pinout, memory, peripherals, programming modes and electrical…

Datasheet for the Microchip PIC18F452, an enhanced flash 8-bit microcontroller, in a 5.44 MB PDF.

Microchip PIC16F62x datasheet, a 4.09 MB PDF covering the 18-pin flash microcontroller family that includes parts such as the PIC16F627 and PIC16F628.

Datasheet for the legacy ATmega163 AVR microcontroller, a 2.15 MB PDF file. It documents the pin layout, memory organisation, timers, ADC, serial interfaces, programming…

Atmel datasheet for the AT91SAM7S64, an ARM7TDMI microcontroller with 64 KB of flash, 2.57 MB PDF.

Datasheet for the Microchip PIC16F818 and PIC16F819, 18-pin flash microcontrollers, supplied as a 2.97 MB PDF.

Microchip PIC16F684 document in PDF form, notably small at 111 KB, which suggests it may be a summary, product brief or partial excerpt rather than the full datasheet.

Complete datasheet for the ATmega16 AVR microcontroller in a 2.73 MB PDF. Chapters cover the pinout, memory, clock options, timers, ADC, USART, SPI, TWI, JTAG, fuse and…

Datasheet for the Microchip PIC16C55x family, a 2.18 MB PDF. These are 18-pin OTP or EPROM microcontrollers, and the x placeholder indicates multiple related part…

Microchip family datasheet for the PIC18Fxx2 group, a 5.74 MB PDF covering several PIC18 microcontrollers that share one architecture, with the xx standing for the…

A 1.17 MB PDF datasheet for the Microchip PIC16F6xx flash microcontrollers, with the name indicating a family placeholder rather than a single part number.

Combined Microchip datasheet for the PIC18F2220, PIC18F2320, PIC18F4220 and PIC18F4320 flash microcontrollers, provided as a 7.14 MB PDF.

Datasheet for the Microchip PIC16F84A, a classic 18-pin flash microcontroller with data EEPROM, provided as a 1.46 MB PDF.

Microchip datasheet in PDF format, 2.87 MB, for the PIC16F872 flash microcontroller, a 28-pin member of the PIC16F87x line.

Datasheet for the older ATmega161 AVR microcontroller, a 1.65 MB PDF document. It details pin functions, the memory map, peripherals such as timers and UARTs…

Complete datasheet for the ATmega8535 AVR microcontroller in a 2.44 MB PDF. It covers the 40-pin and surface-mount pinouts, memory, timers, ADC, USART, SPI, TWI, fuse…

Microchip datasheet for the PIC18F1220 and PIC18F1320, 18-pin PIC18 flash microcontrollers, about 5.48 MB.

Full 5.89 MB PDF datasheet for the Microchip PIC18Fxx39 group of 8-bit flash microcontrollers, a family that includes on-chip motor control features.

Full datasheet for the ATmega32 AVR microcontroller in PDF form, 2.70 MB. It describes the pinout, memory, clock options, timers, ADC, USART, SPI, TWI, JTAG interface…

Full datasheet for the ATmega406 AVR microcontroller, a 1.68 MB PDF. This chip is designed for smart lithium battery packs, integrating cell balancing, voltage and…

PDF datasheet for the Microchip PIC16F628 flash microcontroller, 1.68 MB in size. It describes the pin functions, internal oscillator, comparators, USART, timers…

Datasheet for the Atmel ATxmega256A3B, a specific AVR XMEGA microcontroller with 256 KB of flash in a 64-pin package.

Datasheet for the Atmel AT89C55, an 8051-family microcontroller with 20 KB of reprogrammable flash and 256 bytes of RAM, supplied as a 421 KB PDF.

A 91 KB PDF datasheet covering the AT89C51, the Atmel 8051-compatible microcontroller with flash program memory that turns up in many older industrial and consumer…

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

Family datasheet for the Microchip PIC16F87x microcontrollers, a 3.74 MB PDF covering the flash parts in this group such as the 28- and 40-pin variants, indicated by the…

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, 178 KB, covering the inverter side of the SFD064VT4 part as indicated by the INVT suffix, filed as a datasheet.

Datasheet in PDF form for the IT8987E, an ITE embedded controller of the kind used in laptops to manage power-on, keyboard, battery charging and fan control.

Microchip datasheet for the PIC12F629 and PIC12F675, 8-pin flash microcontrollers, in a 4.81 MB PDF.

Datasheet for the Microchip PIC16C72, an 8-bit OTP or EPROM microcontroller with an analog-to-digital converter, supplied as a 1.13 MB PDF.