P89V51RD2BN Datasheet PDF - NXP Semiconductors
| Part Number | P89V51RD2BN | |
| Description | 8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM | |
| Manufacturers | NXP Semiconductors | |
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There is a preview and P89V51RD2BN download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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P89V51RD2
8-bit 80C51 5 V low power 64 kB Flash microcontroller
with 1 kB RAM
Rev. 01 — 01 March 2004
Product data
1. General description
The P89V51RD2 is an 80C51 microcontroller with 64 kB Flash and 1024 bytes of
data RAM.
A key feature of the P89V51RD2 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 (6 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
In-System Programming (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 P89V51RD2 is also In-Application Programmable (IAP), allowing the Flash
program memory to be reconfigured even while the application is running.
2. Features
s 80C51 Central Processing Unit
s 5 V Operating voltage from 0 to 40 MHz
s 64 kB of on-chip Flash program memory with ISP (In-System Programming) and
IAP (In-Application Programming)
s Supports 12-clock (default) or 6-clock mode selection via software or ISP
s SPI (Serial Peripheral Interface) and enhanced UART
s PCA (Programmable Counter Array) with PWM and Capture/Compare functions
s Four 8-bit I/O ports with three high-current Port 1 pins (16 mA each)
s Three 16-bit timers/counters
s Programmable Watchdog timer (WDT)
s Eight interrupt sources with four priority levels
s Second DPTR register
s Low EMI mode (ALE inhibit)
s TTL- and CMOS-compatible logic levels
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Philips Semiconductors
P89V51RD2
8-bit microcontrollers with 80C51 core
handbook, halfpage
T2/P1.0 1
T2EX/P1.1 2
ECI/P1.2 3
CEX0/P1.3 4
CEX1/SS/P1.4 5
CEX2/MOSI/P1.5 6
CEX3/MISO/P1.6 7
CEX4/SCK/P1.7 8
RST 9
RXD/P3.0 10
TXD/P3.1 11
INT0/P3.2 12
INT1/P3.3 13
T0/P3.4 14
T1/P3.5 15
WR/P3.6 16
RD/P3.7 17
XTAL2 18
XTAL1 19
VSS 20
Fig 3. PDIP40 pin configuration.
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
9397 750 12964
Product data
Rev. 01 — 01 March 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ P89V51RD2BN.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| P89V51RD2BN | The function is 8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM. NXP Semiconductors | |
| P89V51RD2BN | The function is 8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller. NXP Semiconductors | |
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