P89V51RC2FN Datasheet PDF - NXP Semiconductors
| Part Number | P89V51RC2FN | |
| Description | 8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller | |
| Manufacturers | NXP Semiconductors | |
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There is a preview and P89V51RC2FN download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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P89V51RB2/RC2/RD2
8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller
with 1 kB RAM
Rev. 05 — 12 November 2009
Product data sheet
1. General description
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.
2. Features
I 80C51 CPU
I 5 V operating voltage from 0 MHz to 40 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
Free Datasheet http://www.datasheet-pdf.com/
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NXP Semiconductors
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
P1.0/T2 1
P1.1/T2EX 2
P1.2/ECI 3
P1.3/CEX0 4
P1.4/SS/CEX1 5
P1.5/MOSI/CEX2 6
P1.6/MISO/CEX3 7
P1.7/SPICLK/CEX4 8
RST 9
P3.0/RXD 10
P3.1/TXD 11
P3.2/INT0 12
P3.3/INT1 13
P3.4/T0 14
P3.5/T1 15
P3.6/WR 16
P3.7/RD 17
XTAL2 18
XTAL1 19
VSS 20
P89V51RB2FN
P89V51RC2FN
P89V51RD2BN
P89V51RD2FN
40 VDD
39 P0.0/AD0
38 P0.1/AD1
37 P0.2/AD2
36 P0.3/AD3
35 P0.4/AD4
34 P0.5/AD5
33 P0.6/AD6
32 P0.7/AD7
31 EA
30 ALE/PROG
29 PSEN
28 P2.7/A15
27 P2.6/A14
26 P2.5/A13
25 P2.4/A12
24 P2.3/A11
23 P2.2/A10
22 P2.1/A9
21 P2.0/A8
002aaa811
Fig 3. DIP40 pin configuration
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
P89V51RB2BBC
P89V51RC2FBC
P89V51RD2FBC
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
002aaa812
Fig 4. TQFP44 pin configuration
P89V51RB2_RC2_RD2_5
Product data sheet
Rev. 05 — 12 November 2009
© NXP B.V. 2009. All rights reserved.
5 of 80
Free Datasheet http://www.datasheet-pdf.com/
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for P89V51RC2FN electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ P89V51RC2FN.PDF Datasheet ] | |
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