P89LV51RD2

Features: 80C51 Central Processing Unit 3 V Operating voltage from 0 MHz to 33 MHz 64 kB of on-chip Flash program memory with ISP (In-System Programming) andIAP (In-Application Programming) Supports 12-clock (default) or 6-clock mode selection via software or ISP SPI (Serial Peripheral Interface)...

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SeekIC No. : 004453771 Detail

P89LV51RD2: Features: 80C51 Central Processing Unit 3 V Operating voltage from 0 MHz to 33 MHz 64 kB of on-chip Flash program memory with ISP (In-System Programming) andIAP (In-Application Programming) Support...

floor Price/Ceiling Price

Part Number:
P89LV51RD2
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/25

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Product Details

Description



Features:

80C51 Central Processing Unit
3 V Operating voltage from 0 MHz to 33 MHz
64 kB of on-chip Flash program memory with ISP (In-System Programming) andIAP (In-Application Programming)
Supports 12-clock (default) or 6-clock mode selection via software or ISP
SPI (Serial Peripheral Interface) and enhanced UART
PCA (Programmable Counter Array) with PWM and Capture/Compare functions
Four 8-bit I/O ports with three high-current Port 1 pins (16 mA each)
Three 16-bit timers/counters
Programmable Watchdog timer (WDT)
Eight interrupt sources with four priority levels
Second DPTR register
Low EMI mode (ALE inhibit)
TTL- and CMOS-compatible logic levels
Brown-out detection
Low power modes
Power-down mode with external interrupt wake-up
Idle mode
DIP40, PLCC44 and TQFP44 packages



Pinout

  Connection Diagram


Description

The P89LV51RD2 is an 80C51 microcontroller with 64 kB Flash and 1024 bytes ofdata RAM.

A key feature of the P89LV51RD2 is its X2 mode option. The design engineer canchoose to run the application with the conventional 80C51 clock rate (12 clocks permachine cycle) or select the X2 mode (6 clocks per machine cycle) to achieve twicethe throughput at the same clock frequency. Another way to benefit from this featureis to keep the same performance by reducing the clock frequency by half, thusdramatically reducing the EMI.

The Flash program memory of P89LV51RD2 supports both parallel programming and in serialIn-System Programming (ISP). Parallel programming mode offers gang-programmingat high speed, reducing programming costs and time to market. ISP allows a device to be reprogrammed in the end product under softwarecontrol. The capability tofield/update the application firmware makes a wide range of applications possible.

The P89LV51RD2 is also In-Application Programmable (IAP), allowing the Flashprogram memory to be reconfigured even while the application is running.




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