AT83C5121 Overview
T8xC5121 is a high performance CMOS ROM/CRAM derivative of the 80C51 CMOS single chip 8-bit microcontrollers.
AT83C5121 Key Features
- 80C51 Core
- 12 or 6 Clocks per Instruction (X1 and X2 Modes)
- 256 Bytes Scratchpad RAM
- Dual Data Pointer
- Full-duplex Enhanced UART (EUART) with Dedicated Baud Rate Generator (BRG): Most Standard Speeds up to 230K bits/s at 7.
- Output Enable Input
- Multiple Logic Level Shifters Options (1.8V to V CC)
- Automatic Level Shifter Option Multi-protocol Smart Card Interface
- Certified with Dedicated Firmware According to ISO 7816, EMV2000, GIE-CB, GSM 11.12V and WHQL Standards
- Asynchronous Protocols T = 0 and T = 1 with Direct and Inverse Modes