AT8xC5111 is a high-performance ROM/OTP version of the 80C51 8-bit microcontroller in low pin count package.
The document describes the AT8xC5111 family of high-performance ROM/OTP 8-bit microcontrollers compatible with the 80C51 architecture. These devices are designed for analog interfacing applications and feature a 4K byte program memory, 256 bytes of RAM, and an on-chip A/D converter.
| Program Memory Size | 4K Bytes ROM/OTP |
|---|---|
| RAM Size | 256 Bytes |
| A/D Converter Resolution | 10-bit, 8 Channels |
| Operating Voltage Range | 2.7 - 5.5V |
| Temperature Range (Industrial) | -40 to 85°C |
| Max Clock Frequency (5V) | 33 MHz |
The device operates with a power supply voltage between 2.7 and 5.5V.
It features an interrupt system that supports 8 interrupt sources.
The integrated high-speed RC oscillator has a typical frequency of 12 MHz.