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T8051 Tiny 8051 ISA-compliant microcontroller
The T8051 is a very low gate count, single-chip 8-bit microcontroller which executes ASM51 instruction set. It provides an interface for serial communication, timer, multi-purpose I/O ports, hardware interrupts and debugger interface. The T8051 design bases on another well-proven Evatronix' product - the R8051XC, however, the T8051 architecture is designed to achieve a very low gate count. To meet this requirement, a wide range of resources is effectively shared between several stages of instruction execution inside the CPU. The gate count is the trump card of the T8051- there is no 8051-compatible microcontroller on the market that would even come close to the achieved values. Target applications for the T8051 are those in which the microcontroller replaces hard-coded control logic, being easy re-programmable and allowing modifications to the control algorithm without the need to re-design the chip. An implemented complex debugging system is an additional value.
Features
- Compliant with Intel MCS 51 instruction set
- Four priority levels, 11 interrupt sources (80C517-like)
- Input and output ports with single 8-bit I/O port and alternate port functions, 16-bit timer/counter
- Internal data memory interface addressing up to 256B of data memory space
- Full duplex serial interface with 8 or 9-bit UART modes, variable baud rate and a baud rate generator
- External memory interface addressing up to 64kB of external program memory and external data memory
- Eight external interrupts, a complete debugging solution compatible with the 8051 series
- De-multiplexed address/data bus to ease the connection with memories and program memory write mode
Deliverables
- Clean, readable, synthesizable Verilog HDL, VHDL
- Cadence Encounter® RTL Compiler synthesis scripts
- Documentation – integration and user guide, release notes
- Sample verification testbench
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