DR8051 8-Bit RISC Microcontroller
Features
- Software-compatible with industry standard 8051
- RISC architecture
- 6.7x faster than the original implementation
- 4-clock periods multiplication
- 5-clock periods division
- Up to 16 Mbytes of external standard data memory
- Up to 256 bytes of internal dual port data memory
- Up to 64 Kbytes of program memory
- User-programmable RAMWE and RAMRD pulses in 1 to 8 clock periods
- De-multiplexed address/data bus, allowing easy connection to memory
- Data transfer over 16x faster than the original implementation
- Two 16-bit timer/counters
- Full-duplex serial port
- Support for external system functional reviews
- Fully synthesizable, static synchronous design with no internal tri-states
- 1-GHz virtual clock frequency faster than the original implementation (over 150 MHz in a typical 0.25ยต technological process)
DR8051 8-Bit RISC Microcontroller Block Diagram
Figure 1 shows the block diagram for the DR8051 8-Bit RISC microcontroller megafunction.
| Figure 1. DR8051 8-Bit RISC Microcontroller Block Diagram |
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Description
The DR8051 soft core function is binary-compatible with the industry standard 8051 8-bit microcontroller and can achieve performance of up to 55 million instructions per second in today's integrated circuit technologies. The DR8051 function has a RISC architecture that is 6.7x faster than the original implementation.
Device Utilization Example
Table 1 lists the typical device utilization results for the megafunction.
| Table 1. Typical Device Utilization |
| Device |
Speed Grade |
Utilization |
Performance
(fMAX) |
Parameter Setting |
| Logic Cells |
EABs (1) |
| EPF10K100E |
-1 |
2,049 |
1 |
58 MHz |
Contact DCD |
| EP20K100E |
-1 |
2,120 |
0 |
58 MHz |
Contact DCD |
| EP1K100 |
-1 |
2,096 |
1 |
57 MHz |
Contact DCD |
Note:
- EABs = Embedded array blocks
Contact Information
For additional information, contact DCD at:
Digital Core Design
Wroclawska 94
41-902 Bytom
Poland
Tel. +48 32 282 82 66
Fax +48 32 282 74 37
E-mail: info@dcd.com.pl
http://www.dcd.com.pl
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