87C552 Datasheet (NXP) - 80C51 8-bit microcontroller

87C552, 80C51 8-bit microcontroller

The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family.

The 87C552 has the same instruction set as the 80C51.

Three versions of the derivative exist: * 83C552 *8k bytes mask programmable ROM

87C552 Features

* 80C51 central processing unit

* 8k × 8 EPROM expandable externally to 64k bytes

* An additional 16-bit timer/counter coupled to four capture registers and three compare registers

* Two standard 16-bit timer/counters

* 256 × 8 RAM, expandable externally to