Key facts
- Brand
- Atmel
- Model
- AT89S52
- Industry
- Industrial
- Documents
- 4
- Languages
- ZH · EN
- Last added
- 2026-10-20
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Atmel AT89S5x Wireless Programmer Research Paper
This document describes a research project developing a wireless programmer for the Atmel AT89S5x series of microcontrollers. The device integrates an AT89S52 master processor with Bluetooth V2.0 and USB communication modules to allow for both wired In-System Programming (ISP) and remote over-the-air reprogramming. This manual is written in Chinese.
Read onlineAtmel AT89S52 specifications
| Flash memory | 8 KB |
|---|---|
| Internal RAM | 256 bytes (8‑bit) |
| Programmable I/O lines | 32 |
| Operating voltage range | 4.0 V to 5.5 V |
| Maximum CPU frequency | 33 MHz |
| Timer/Counters | Three 16‑bit timers |
| UART | Full‑duplex serial channel |
Source: Atmel AT89S52 Datasheet
All Atmel AT89S52 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the baud rate setting for data transmission?
The baud rate is set to 19200 bps with 8-bit data, no parity check, and 1 stop bit.
What is the physical size of the wireless programmer?
The wireless programmer measures 90mm by 80mm.
What is the operating voltage range of the AT89S52?
The AT89S52 operates from 4.0 V to 5.5 V.
From: Atmel AT89S52 Datasheet
How many programmable I/O lines does the AT89S52 have?
It provides 32 programmable I/O lines.
From: Atmel AT89S52 Datasheet
What is the operating voltage range of the AT89S52?
The AT89S52 operates from 4.0 V to 5.5 V.
How much Flash memory does the AT89S52 contain?
It contains 8 KB of in‑system programmable Flash memory.