DR8052EX 8-Bit RISC Extended 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 to allow easy connection to memory
- Data transfer over 16x faster than the original implementation
- Three 16-bit timer/counters
- Eight additional interrupts
- Two full-duplex serial ports
- I2C bus controller
- Two data pointers (DPTR1 and DPTR2)
- Support for external system functional reviews
- Fully synthesizable, static synchronous design with no internal tri-states
- 670-MHz virtual clock frequency faster than the original implementation (over 100 MHz in a typical 0.25ยต technological process)
Block Diagram
Figure 1 shows the block diagram for the DR8052EX 8-Bit RISC extended microcontroller megafunction.
| Figure 1. DR8052EX 8-Bit RISC Extended Microcontroller Block Diagram |
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Description
The DR8052EX soft core function is binary-compatible with the industry-standard 8052 8-bit microcontroller and can achieve performance of up to 50 million instructions per second in today's integrated circuit technologies. The DR8052EX 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 |
2,832 |
1 |
49 MHz |
Contact DCD |
| EP20K100E |
-1 |
2,930 |
0 |
48 MHz |
Contact DCD |
| EP1K100 |
-1 |
2,892 |
1 |
47 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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