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Details, datasheet, quote on part number: P89V51RD2
 
 
Part numberP89V51RD2
CategoryMicrocontrollers => 8 bit
Description8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller with 1 kB RAM
The P89V51RB2/RC2/RD2 are 80C51 microcontrollers with 16/32/64 kB flash and 1024 B of data RAM.

A key feature of the P89V51RB2/RC2/RD2 is its X2 mode option. The design engineer can choose to run the application with the conventional 80C51 clock rate (12 clocks per machine cycle) or select the X2 mode (six clocks per machine cycle) to achieve twice the throughput at the same clock frequency. Another way to benefit from this feature is to keep the same performance by reducing the clock frequency by half, thus dramatically reducing the EMI.

The flash program memory supports both parallel programming and in serial ISP. Parallel programming mode offers gang-programming at high speed, reducing programming costs and time to market. ISP allows a device to be reprogrammed in the end product under software control. The capability to field/update the application firmware makes a wide range of applications possible.

The P89V51RB2/RC2/RD2 is also capable of IAP, allowing the flash program memory to be reconfigured even while the application is running.
CompanyPhilips Semiconductors (Acquired by NXP)
DatasheetDownload P89V51RD2 datasheet
Request For QuoteFind where to buy P89V51RD2
 


 
Specifications, Features, Applications

The P89V51RB2/RC2/RD2 are 80C51 microcontrollers with 16/32/64 kB flash and B of data RAM. A key feature of the P89V51RB2/RC2/RD2 is its X2 mode option. The design engineer can choose to run the application with the conventional 80C51 clock rate (12 clocks per machine cycle) or select the X2 mode (six clocks per machine cycle) to achieve twice the throughput at the same clock frequency. Another way to benefit from this feature is to keep the same performance by reducing the clock frequency by half, thus dramatically reducing the EMI. The flash program memory supports both parallel programming and in serial ISP. Parallel programming mode offers gang-programming at high speed, reducing programming costs and time to market. ISP allows a device to be reprogrammed in the end product under software control. The capability to field/update the application firmware makes a wide range of applications possible. The P89V51RB2/RC2/RD2 is also capable of IAP, allowing the flash program memory to be reconfigured even while the application is running.

80C51 CPU 5 V operating voltage from 0 MHz to 40 MHz kB of on-chip flash user code memory with ISP and IAP Supports 12-clock (default) or 6-clock mode selection via software or ISP SPI and enhanced UART PCA 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 Eight interrupt sources with four priority levels Second DPTR register Low EMI mode (ALE inhibit) TTL- and CMOS-compatible logic levels

I Brownout detection I Low power modes N Power-down mode with external interrupt wake-up N Idle mode DIP40, PLCC44 and TQFP44 packages

Table 1. Ordering information Package Name TQFP44 DIP40 Description plastic leaded chip carrier; 44 leads plastic dual in-line package; 40 leads (600 mil) plastic thin quad flat package; 44 leads; body mm plastic leaded chip carrier; 44 leads plastic thin quad flat package; 44 leads; body mm plastic dual in-line package; 40 leads (600 mil) plastic leaded chip carrier; 44 leads plastic thin quad flat package; 44 leads; body mm plastic dual in-line package; 40 leads (600 mil) plastic dual in-line package; 40 leads (600 mil) Version SOT376-1 SOT129-1 Type number

Table 2. Ordering options Flash memory 64 kB Temperature range +85 C Frequency 0 MHz to 40 MHz Type number P89V51RD2BN P89V51RD2FN





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