AT89LP51-20AU
ActiveSINGLE-CYCLE 8051, 4K ISP FLASH 44 TQFP 10X10X1MM TRAY ROHS COMPLIANT: YES
AT89LP51-20AU
ActiveSINGLE-CYCLE 8051, 4K ISP FLASH 44 TQFP 10X10X1MM TRAY ROHS COMPLIANT: YES
Description
General part information
AT89LP51 Series
Single-cycle microcontroller with 8KB ISP flash, 12-clock compatibility mode, 256 bytes flash data memory, 256 bytes RAM, three timers, UART, WDT, up to 36 I/Os, and an internal RC oscillator.
Key Features:
* 100% software and timing compatibility with AT89S51, meaning no changes to existing software, including fetching from external ROM or read/write from/to external RAM.
Technical Specifications
Parameters and characteristics for this part
| Specification | AT89LP51-20AU |
|---|---|
| Connectivity | EMI, UART, I2C, USART, EBI, SPI |
| Core Processor | 8051 |
| Core Size (Bit Width) | 8 Bit |
| Mounting Type | Surface Mount |
| Number of I/O | 36 |
| Operating Temperature (Max) | 85 °C |
| Operating Temperature (Min) | -40 °C |
| Oscillator Type | Internal |
| Package / Case | 44-TQFP |
| Package Length | 10 mm |
| Package Name | 44‑TQFP |
| Package Width | 10 mm |
| Peripherals | WDT, PWM, Brown-out Detect, POR, Reset |
| Program Memory Depth | 4 K |
| Program Memory Size | 4 KB |
| Program Memory Type | FLASH |
| Program Memory Width | 8 bit |
| RAM Size Depth | 256 |
| RAM Size Width | 8 bit |
| Speed | 20 MHz |
| Voltage - Supply (Vcc/Vdd) Maximum | 5.5 V |
| Voltage - Supply (Vcc/Vdd) Minimum | 2.4 V |
Pricing
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