Datasheet Details
| Part number | AT89S4D12 |
|---|---|
| Manufacturer | Atmel (now Microchip Technology) |
| File Size | 120.37 KB |
| Description | 8-Bit Microcontroller with 132K Bytes Flash Data Memory |
| Datasheet |
 AT89S4D12 Datasheet
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General Description
The AT89S4D12 is a low-voltage, highly integrated CMOS 8-bit microcomputer with 4K bytes of downloadable Flash program memory and 128K bytes of in-system reprogrammable Flash data memory.
Key Features
- Compatible with MCS-51™ Products.
- 128K Bytes of In-System Reprogrammable Flash data memory and 4K Bytes of Downloadable Flash Program Memory.
- Endurance: 1,000 Write/Erase Cycles per Sector.
- Data Retention: 10 Years Sector Programming: 128 Bytes/Sector Single 3.3V ± 10% Supply On-Chip 12 MHz oscillator Two-Level Program Memory Lock 256-Bytes Internal RAM 5 Programmable I/O Lines Serial Peripheral Interface (SPI) Channel Serial Program Downloading Dual Data Poi.