The decryption of the W78LE58 microcontroller is a process that can provide both customers and decryption engineers with a technical understanding of the internal characteristics and structural properties of the W78LE58 microcontroller. This not only helps engineers better understand the encryption/decryption nature of the chip, allowing them to select the most suitable decryption solution, but also assists customers in comprehending and analyzing the technical implementation of chip decryption, thereby enabling them to better grasp the progress of the decryption project.
Therefore, we will first provide a brief introduction to the main internal features of the W78LE58 microcontroller for your reference.
### The W78LE58 Microcontroller
The W78LE58 is an 8-bit microcontroller featuring an in-system programmable MTP-ROM for firmware updating. Its instruction set is fully compatible with the standard 8052.
Key features include:
- **32K bytes of main MTP-ROM** and **4K bytes of auxiliary MTP-ROM**, allowing the contents of the 32KB main MTP-ROM to be updated by the loader program located in the 4KB auxiliary MTP-ROM.
- **512 bytes of on-chip RAM** (including 256 bytes of AUX-RAM, which is software selectable).
- Four 8-bit bi-directional and bit-addressable I/O ports.
- An additional 4-bit port P4.
- Three 16-bit timer/counters.
- A serial port supported by an eight-source, two-level interrupt capability.
- To facilitate programming and verification, the MTP-ROM inside the W78LE58 allows the program memory to be programmed and read electronically. Once the code is confirmed, the user can protect the code for security.
### Power Reduction Modes
The W78LE58 microcontroller has two power reduction modes: idle mode and power-down mode, both of which are software selectable.
- In idle mode, the processor clock is turned off, but peripheral operations continue.
- In power-down mode, the crystal oscillator stops for minimum power consumption. The external clock can be stopped at any time and in any state without affecting the processor.
### Features of W78LE58
- Fully static design 8-bit CMOS microcontroller.
- 32K bytes of in-system programmable MTP-ROM for Application Program (APROM).
- 4K bytes of auxiliary MTP-ROM for Loader Program (LDROM).
- 512 bytes of on-chip RAM (including 256 bytes of AUX-RAM, software selectable).
- 64K bytes program memory address space and 64K bytes data memory address space.
- Four 8-bit bi-directional ports.
- One 4-bit multipurpose programmable port.
- Three 16-bit timer/counters.
- One full duplex serial port.
- Eight-sources, two-level interrupt capability.
- Built-in power management.
- Code protection.
- Packaged in:
- DIP 40: W78LE58-24
- PLCC 44: W78LE58P-24
- QFP 44: W78LE58F-2
Orange Box Technology specializes in providing professional W78LE58 microcontroller decryption services as part of its broader offerings for Winbond series chip decryption. If you have a need for W78LE58 chip decryption, please feel free to contact us for more detailed decryption information.
#### Contact Information:
- **Phone**: 0755-82173891, 82173585
- **QQ**: 1357273089, 994589503
- **Email**: [email protected]
- **Website**: http://ww.pcbpcb.net