P89LV51RD2 Datasheet PDF - NXP Semiconductors
| Part Number | P89LV51RD2 | |
| Description | 8-bit 80C51 3 V low power 16/32/64 kB fash microcontroller | |
| Manufacturers | NXP Semiconductors | |
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P89LV51RB2/RC2/RD2
8-bit 80C51 3 V low power 16/32/64 kB flash microcontroller
with 1 kB RAM
Rev. 05 — 15 December 2009
Product data sheet
1. General description
The P89LV51RB2/RC2/RD2 are 80C51 microcontrollers with 16/32/64 kB flash and
1024 B of data RAM.
A key feature of the P89LV51RB2/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 P89LV51RB2/RC2/RD2 is also capable of IAP, allowing the flash program memory to
be reconfigured even while the application is running.
2. Features
I 80C51 CPU
I 3 V operating voltage from 0 MHz to 33 MHz
I 16/32/64 kB of on-chip flash user code memory with ISP and IAP
I Supports 12-clock (default) or 6-clock mode selection via software or ISP
I SPI and enhanced UART
I PCA with PWM and capture/compare functions
I Four 8-bit I/O ports with three high-current port 1 pins (16 mA each)
I Three 16-bit timers/counters
I Programmable watchdog timer
I Eight interrupt sources with four priority levels
I Second DPTR register
I Low EMI mode (ALE inhibit)
I TTL- and CMOS-compatible logic levels
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NXP Semiconductors
www.DataSheet4U.com
P89LV51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
P1.5/MOSI/CEX2 1
P1.6/MISO/CEX3 2
P1.7/SPICLK/CEX4 3
RST 4
P3.0/RXD 5
n.c. 6
P3.1/TXD 7
P3.2/INT0 8
P3.3/INT1 9
P3.4/T0 10
P3.5/T1 11
P89LV51RC2FBC
P89LV51RD2BBC
33 P0.4/AD4
32 P0.5/AD5
31 P0.6/AD6
30 P0.7/AD7
29 EA
28 n.c.
27 ALE/PROG
26 PSEN
25 P2.7/A15
24 P2.6/A14
23 P2.5/A13
002aaa508
Fig 3. TQFP44 pin configuration
P89LV51RB2_RC2_RD2_5
Product data sheet
Rev. 05 — 15 December 2009
© NXP B.V. 2009. All rights reserved.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for P89LV51RD2 electronic component. |
| Information | Total 70 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ P89LV51RD2.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| P89LV51RD2 | The function is 8-bit 80C51 3 V low power 64 kB Flash microcontroller with 1 kB RAM. NXP Semiconductors | |
| P89LV51RD2 | The function is 8-bit 80C51 3 V low power 16/32/64 kB fash microcontroller. NXP Semiconductors | |
| P89LV51RD2BA | The function is 8-bit 80C51 3 V low power 64 kB Flash microcontroller with 1 kB RAM. NXP Semiconductors | |
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