Key facts
- Brand
- Atmel
- Model
- T89C51RB2
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-12
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Atmel T89C51RB2/RC2 8-bit Microcontroller Datasheet
Datasheet 9 pages · 166 KB · EN
The document describes the T89C51RB2/RC2, a high-performance FLASH version of the 80C51 8-bit microcontrollers. It features 16K or 32Kbytes of on-chip Flash memory for program and data storage.
Read onlineAtmel T89C51RB2 specifications
| Flash Memory Size | 16K or 32Kbytes |
|---|---|
| Internal RAM | 256 bytes |
| Clock Speed (Standard) | 40 MHz |
| Clock Speed (X2 Mode) | 20 MHz |
| Operating Voltage (Commercial) | 4.5 to 5.5V |
| Operating Temperature (Commercial) | 0 to +70°C |
All Atmel T89C51RB2 documents by type
Datasheet 2
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the programming voltage source?
The programming voltage is internally generated from the standard Vcc pin.
Does this microcontroller support In-System Programming (ISP)?
Yes, it can be programmed in parallel mode or serial mode with ISP capability.
What flash memory options are available for the T89C51RB2/RC2?
The device provides either 16 KB or 32 KB of on‑chip FLASH for program and data storage.
How much XRAM does the T89C51RB2/RC2 have?
It includes 1024 bytes of on‑chip expanded RAM (XRAM).