描述
由其分销商提供的 Microchip AT89LP51-20JU 的描述。
MCU 8-bit AT89 80C51 CISC 4KB Flash 2.5V/3.3V/5V 44-Pin PLCC
Single-Cycle 8051, 4K ISP Flash
8-BIT FLASH 20 MHz MICROCONTROLLER PQCC44
制造商别名
Microchip 在全球拥有多个品牌，分销商可将其用作替代名称。Microchip 也可称为以下名称：
- Microchip Technology
- MICROCHIP TECHNOLOGY INC
- MICROCHI
- MICROC
- MICROCH
- MICROCHIP TECH
- MCHP
- MCRCH
- MCP
- MICROHIP
- MICROSHIP
- MICCHP
- MICROCHP
- MTech
- Microchip Technology / Atmel
- Microchip Technologies
- Microchip / Microsemi
- MICORCHIP
- MICHROCHIP
- MICROCIHIP
- Atmel/Microchip
- MICRIOCHIP
- Atmel (Microchip Technology)
- MICROCHIP (ATMEL)
- MICROCHIP TECHNOLOGY (VA)
- Microchip Technology Inc.
技术规格
Physical
Contact PlatingTin
MountSurface Mount
Number of Pins44
Technical
Core Architecture8051
Data Bus Width8 b
Frequency20 MHz
InterfaceEBI/EMI, I2C, SPI, UART, USART
Max Frequency20 MHz
Max Operating Temperature85 °C
Max Supply Voltage5.5 V
Memory Size4 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage2.4 V
Number of I/Os36
Number of Programmable I/O36
Number of Timers/Counters3
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size256 B
Watchdog TimerYes