Datasheet Details
| Part number | AT89LP428 |
|---|---|
| Manufacturer | Atmel (now Microchip Technology) |
| File Size | 2.20 MB |
| Description | 8-bit Microcontroller |
| Datasheet |
 AT89LP428 Datasheet
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General Description
Table 1-1.
Pin Number TQFP /MLF PLCC PDIP Symbol Type I/O O 1 5 5 P4.1 O I/O Description P4.1: User-configurable I/O Port 4 bit 1.
XTAL2: Output from inverting oscillator amplifier.
Key Features
- 8-bit Microcontroller Compatible with MCS®51 Products.
- Enhanced 8051 Architecture.
- Single-clock Cycle per Byte Fetch.
- Up to 20 MIPS Throughput at 20 MHz Clock Frequency.
- Fully Static Operation: 0 Hz to 20 MHz.
- On-chip 2-cycle Hardware Multiplier.
- 256 x 8 Internal RAM.
- 512 x 8 Internal Extra RAM.
- Dual Data Pointers.
- 4-level Interrupt Priority Nonvolatile Program and Data Memory.
- 4K/8K Bytes of In-S.