Key facts
- Brand
- ZLG
- Model
- P87LPC759
- Documents
- 2
- Languages
- ZH
- Last added
- 2011-10-08
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ZLG P87LPC759 Microcontroller User Manual
The manual provides an overview of the P87LPC759 14‑pin DIP microcontroller, highlighting its accelerated 80C51 core, programmable I/O, watchdog timer, and flexible clock options ranging from 10 MHz to 20 MHz. It details the device’s memory layout, including 1 KB OTP code space and 64 bytes of RAM, and explains the configurable I/O ports and interrupt structure.
Additional sections cover the oscillator selections (external crystal, ceramic, or internal RC), power‑down and idle modes with wake‑up capabilities, and electrical specifications such as operating voltage, current consumption, and pin drive strength. The document is intended for engineers designing with the P87LPC759. This manual is written in Chinese.
ZLG P87LPC759 specifications
| Operating frequency | up to 20 MHz |
|---|---|
| Vpp voltage range | 4.5 V – 5.0 V |
| Vnp voltage range | 3.0 V – 5.0 V |
| RAM size | 64 KB |
| Number of interrupt sources | 4 |
| Timers | 2 × 16‑bit timers |
| LED drive capability per I/O pin | 20 mA |
| Package | 14‑lead DTP (also JPDIP version) |
| Operating temperature range (JPDIP version) | -40 °C to +85 °C |
Source: ZLG P87LPC759 User Manual
All ZLG P87LPC759 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum operating frequency of the P87LPC759?
The microcontroller can operate up to 20 MHz.
What voltage range is required for Vpp?
Vpp must be between 4.5 V and 5.0 V.
What is the maximum clock frequency of the P87LPC759?
The device can run up to 20 MHz when VDD is between 4.5 V and 6.0 V, and up to 10 MHz when VDD is between 2.7 V and 6.0 V.
How many I/O pins does the P87LPC759 provide?
Depending on the oscillator and reset configuration, the microcontroller offers between 9 and 12 usable I/O pins.