ATmega168 Datasheet PDF – 8-bit AVR Microcontroller

This is one of the microcontroller types.

Part Number: ATmega168 ( AU, PU )

Function : 8-bit Microcontroller with 8K Bytes In-System Programmable Flash

Package: PDIP 28P3, MLF 28 , TQFP 32A type

Manufacturer: ATMEL Corporation

See the preview image and the PDF file for more information.



The high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller combines 16KB ISP flash memory, 1KB SRAM, 512B EEPROM, an 8-channel/10-bit A/D converter (TQFP and QFN/MLF), and debugWIRE for on-chip debugging. The device supports a throughput of 20 MIPS at 20 MHz and operates between 2.7-5.5 volts.

By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.

ATmega168 Pinout



ATmega168 Features

High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family

1. Advanced RISC Architecture

(1) 131 Powerful Instructions
(2) Most Single Clock Cycle Execution
(3) 32 x 8 General Purpose Working Registers
(4) Fully Static Operation
(5) Up to 20 MIPS Throughput at 20MHz
(6) On-chip 2-cycle Multiplier


Official Homepage:

ATmega168 Datasheet


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P87CL881H Datasheet PDF – Low-voltage 8-Bit Microcontroller

Part Number: P87CL881H

Function: 8-Bit, Low-voltage Microcontroller

Package: LQFP44 Type

Manufacturer: Philips Electronics ( )


P87CL881H datasheet



The P87CL881, P87CL881H is an 8-bit microcontroller especially suited for pager applications. The P87CL881 is manufactured in an advanced CMOS technology and is based on single chip technology. The device is optimized for low power consumption and has two software selectable features for power reduction: Idle and Power-down modes. In addition, all derivative blocks switch off their clock if they are inactive. The instruction set of the P87CL881 is based on that of the 80C51. The P87CL881 also functions as an arithmetic processor having facilities for both binary and BCD arithmetic plus bit-handling capabilities. The instruction set consists of over 100 instructions: 49 one-byte, 46 two-byte, and 16 three-byte.


1. Very low current consumption

2. Single supply voltage of 2.7 to 3.6 V

3. Frequency: 1 to 10 MHz

4. Operating temperature: -25 to +70 °C

5. 256-byte internal RAM

6. 1792-byte internal AUX-RAM

7. Two 16-bit timer/event counters

8. Watchdog Timer

Other data sheets are available within the file:

P87CL881H/000, P87CL881H/000/1, P87CL881H/001/1, P87CL881H/XXX

P87CL881H Datasheet PDF Download

P87CL881H pdf

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