DP8051
The best combination of a die size and performance.
DP8051 Performance Chart
Description
DP8051 – Ultra-High Performance 8-bit 8051 Softcore MCU
The DP8051 is an ultra-high performance, speed-optimized softcore of a single-chip 8-bit embedded controller, engineered to operate with both fast (on-chip) and slow (off-chip) memories. Designed with a strong focus on the performance-to-power-consumption ratio, it includes an advanced Power Management Unit (PMU) for optimized energy efficiency.
The DP8051 is 100% binary-compatible with the industry-standard 8051 microcontrollers and offers two flexible configurations:
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Harvard Architecture – separate internal program and data buses for maximum throughput.
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Von Neumann Architecture – shared program and external data bus for versatile integration.
Key Features & Capabilities:
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Pipelined RISC Architecture – Executes 120–300 million instructions per second for ultra-fast performance.
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Benchmark Performance – Dhrystone 2.1 runs 11.46–15.55× faster than the original 80C51 using the same compiler settings.
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Low-Power Applications – The core can operate over 10× slower than standard 8051 without performance loss, ideal for battery-powered or always-on systems.
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Fully Automated Validation – Delivered with a complete testbench and verification suite for seamless SoC integration.
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DoCD™ Debug Support – Built-in real-time hardware debugger providing non-intrusive SoC debugging, including CPU registers, program/data memory, and SFRs.
Ideal Applications:
Automotive electronics, industrial control systems, battery-powered embedded devices, and any SoC requiring high-speed, low-power 8051-compatible microcontrollers.
| Feature / Core | DP8051 | DQ8051XP | DQ8051 |
|---|---|---|---|
| Architecture | Pipelined RISC, Harvard / Von Neumann | 8-bit embedded controller, PMU | 8-bit embedded controller, PMU |
| Binary Compatibility | 100% industry-standard 8051 | 100% industry-standard 8051 | 100% industry-standard 8051 |
| Performance vs 8051 | 11–15× faster | 26–29× faster | 26–29× faster |
| Power Management | Advanced PMU, low-power operation | PMU with ultra-low power modes | PMU with advanced low-power modes |
| Debugger | Built-in DoCD™ JTAG, real-time SoC debugging | DoCD™ JTAG, Keil/IAR support | DoCD™ JTAG, Keil/IAR support |
| Memory Support | Fast on-chip & slow off-chip memory | On-chip & off-chip memory | On-chip & off-chip memory |
| Code Density / Optimization | Standard 8051 code, optimized execution | High code efficiency, reduced program size | High code efficiency, reduced program size |
| Customization | Fully configurable to project requirements | Fully customizable per SoC needs | Fully customizable per SoC needs |
| Use Cases | Automotive, industrial, battery-powered embedded systems | IoT, connected devices, embedded systems | Embedded systems, industrial, low-power applications |
ALL DCD’S IP CORES ARE TECHNOLOGY AGNOSTIC, ENSURING 100% COMPATIBILITY WITH ALL FPGA AND ASIC VENDORS.
For further details, email info@dcd.pl.
Key features
- Software in 100% compatible with 8051 industry standard
- Pipelined RISC architecture enables to run 15.55 times faster, than the original 80C51 at the same frequency
- Up to 14.632 VAX MIPS at 100 MHz
- 24 times faster multiplication
- 12 times faster division
- Up to 256 bytes of internal (on-chip) Data Memory
- Up to 64 kB of internal (on-chip) or external (off-chip) Program Memory
- Up to 8MB linear code space (in 80390 mode)
- Up to 16 MB of external (off-chip) Data Memory
- User programmable Program Memory Wait States
- User programmable External Data Memory Wait States
- De-multiplexed Address/Data bus – to allow easy memory connection
- Interface for additional Special Function Registers
- Fully synthesizable
- Static synchronous design
- Positive edge clocking and no internal tri-states
- Scan test ready
- USB, Ethernet, I2C, SPI, UART, CAN, LIN, HDLC, Smart Card interfaces available
| Design | Dhry speed | on-chip CODE RAM/ROM | off-chip CODE | CODE write | IDATA space | XDATA space | XDATA, CODE wait states | DoCDTM | PMU | Interrupt sources | DPTR | Timers | UART | IO Ports | Compare/ Capture |
Watchdog | MDU MDU32 |
DI2CM | DI2CS | DSPI | DFPMU | DMAC | DCAN |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DP80C51 | 11.46 | 64k/64k | 64k | 256 | 64k | 5 | 1 | 2 | 1 | 4 | |||||||||||||
| DP8051XP | 15.55 | 64k/64k | 64k/8M | 256 | 16M | 15 | 2 | 3 | 2 | 4 | |||||||||||||
| DP8051 | 15.36 | 64k/64k | 64k/8M | 256 | 16M | 5 | 1 | 2 | 1 | 4 | |||||||||||||
| DP8051CPU | 15.36 | 64k/64k | 64k/8M | 256 | 16M | 2 | 1 | - | - | - | |||||||||||||
| DQ8051XP | 29.01 | 64k/64k | 64k/8M | 256 | 16M | 15 | 2 | 3 | 2 | 4 | |||||||||||||
| DQ8051 | 29.01 | 64k/64k | 64k/8M | 256 | 16M | 5 | 2 | 2 | 1 | 4 | |||||||||||||
| DQ8051CPU | 28.40 | 64k/64k | 64k/8M | 256 | 16M | 2 | 2 | - | - | - | |||||||||||||
| DT8051 | 8.11 | 64k/64k | 64k | 256 | 64k | 11 | 1 | 2 | 1 | 1 |
Features
DoCD Debugger
Power of Innovation is our primary target. That’s why our R&D focuses on every IP Core detail. As a result of that concern, some unique solutions were born. One of them is the on-Chip Debugger (DoCD™), which is a complete debugging system, dedicated for DCD's DQ80251/DQ8051/DT8051/DP8051x/DP80390x Microcontroller Cores.
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