Details

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BUY AT89LP52-20JU https://www.utsource.net/itm/p/7437008.html
8051 89LP Microcontroller IC 8-Bit 20MHz 8KB (8K x 8) FLASH 44-PLCC (16.59x16.59)

Parameter	Description
Part Number	AT89LP52-20JU
Type	Microcontroller
Family	8051
Architecture	8-bit MCU
Operating Voltage (VCC)	2.7 V to 5.5 V
Clock Frequency	Up to 24 MHz
Flash Memory	8 KB Flash ROM
RAM	256 bytes internal RAM
EEPROM	Not available
Programmable I/O Lines	32 I/O lines
Interrupt Sources	5 interrupt priority levels
Timers/Counters	3 timers (T0, T1, T2)
Serial Communication	UART
Package Type	QFP
Temperature Range	-40°C to +85°C
Power Consumption	Low power consumption with idle and power-down modes

Instructions for Use:

1. Power Supply: Ensure the operating voltage is within the specified range of 2.7 V to 5.5 V.
2. Clock Configuration: Connect an external crystal or use an internal oscillator depending on your application needs.
3. Programming: Use ISP (In-System Programming) for programming the flash memory.
4. I/O Initialization: Initialize I/O ports as required by setting the direction registers in your software code.
5. Interrupt Handling: Configure interrupt priorities and enable/disable interrupts as needed.
6. Timer Setup: Initialize timers for timing or counting operations.
7. Communication: Set up UART for serial communication if required.
8. Power Management: Utilize idle and power-down modes to minimize power consumption when not actively processing.
9. Mounting: Ensure proper mounting in a QFP package following manufacturer guidelines to ensure reliability.

For detailed specifications and advanced configurations, refer to the official datasheet provided by the manufacturer.

(For reference only)