AT87C5103 - Low-pin Count 8-bit Microcontroller

Atmel (now Microchip Technology)

Download the AT87C5103 datasheet PDF. This datasheet also covers the AT83C5103 variant, as both devices belong to the same low-pin count 8-bit microcontroller family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

AT87C5103 low-pin count 8-bit microcontroller by Atmel (now Microchip Technology) - Datasheet Preview — Note: The manufacturer provides a single datasheet file (AT83C5103_ATMELCorporation.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	AT87C5103
Manufacturer	Atmel (now Microchip Technology)
File Size	548.97 KB
Description	Low-pin Count 8-bit Microcontroller
Datasheet	AT87C5103 Datasheet

General Description

The AT8xC5103 is a high-performance ROM/OTP version of the 80C51 8-bit Microcontroller in 16 and 24-pin packages.

The AT8xC5103 contains a standard C51 CPU core with 12 Kbytes ROM/OTP program memory, 256 bytes of internal RAM, 256 bytes of extended internal RAM, a 5sources 4-level interrupt system, two timer/counters

Key Features

80C51 Compatible CPU Core High-speed Architecture.
X2 Speed Improvement Capability (6 Clocks/Machine Cycle).
16 MHz in Standard or X2 mode.
256 Bytes RAM.
256 Bytes XRAM.
12K Bytes ROM/OTP Program Memory.
Two 16-bit Timer/Counters T0, T1.
5 Channels Programmable Counter Array with High-speed Output, Compare/Capture, Pulse Width Modulation and Watchdog Timer Capabilities.
SPI Interface (Master and Slave mode).

More Datasheets from Atmel (now Microchip Technology)

Part Number	Description
AT87C52X2	8-bit Microcontroller
AT87251G2D	8/16-bit Microcontroller
AT87F51	8-Bit Microcontroller
AT87F52	8-Bit Microcontroller
AT80251G2D	8/16-bit Microcontroller
AT80C32X2	8-bit Microcontroller
AT80C51RD2	80C51 High Performance ROM 8-bit Microcontroller
AT80C52X2	8-bit Microcontroller
AT83251G2D	8/16-bit Microcontroller
AT83C22OK	Smart Card Interface Compliant