TS87C51RB2/RC2 is a high-performance 8-bit microcontroller compatible with 80C52
The AT89C511C2 is a high‑performance 8‑bit Flash microcontroller compatible with the 8051 family. It offers 32 KB on‑chip Flash, up to 1 KB expandable RAM, four 8‑bit I/O ports, a 2‑wire interface, SPI, and a programmable counter array, making it suitable for motor control, smart‑card readers, and other embedded applications.
The document includes detailed tables of special function registers (SFRs), memory maps, timing characteristics, package drawings, and power‑down recommendations, giving designers the information needed for hardware integration and firmware development.
| Flash Memory | 32 KB |
|---|---|
| Expanded RAM (XRAM) | 1 KB |
| I/O Ports | Four 8‑bit ports + 2‑wire interface |
| Timer/Counters | Three 16‑bit timers/counters |
| Interrupt Sources | 10 sources with 4 priority levels |
| Power Supply (3 V version) | 2.7 V to 3.6 V |
| Operating Temperature | Commercial 0 °C to +70 °C; Industrial –40 °C to +85 °C |
| Package Types | PLCC44, VQFP44 |
It has 32 KB of on‑chip Flash program and data memory.
The device provides four 8‑bit I/O ports plus a 2‑wire (TWI) interface.
The 3 V version operates from 2.7 V to 3.6 V, and the 5 V version from 2.7 V to 5.5 V.
Commercial range is 0 °C to +70 °C, and industrial range is –40 °C to +85 °C.