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P89V52X2 Datasheet

8-bit 80C51 low power 8 kB fash microcontrolle

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P89V52X2
8-bit 80C51 low power 8 kB flash microcontroller with 256 B
RAM, 192 B data EEPROM
Rev. 03 — 4 May 2009
Product data sheet
1. General description
The P89V52X2 is an 80C51 microcontroller with 8 kB flash, 256 B of data RAM, and
192 B of data EEPROM. This device is designed to be a drop in and software compatible
replacement for the P87C52, P87C52X2, P89C52, and P89C52X2 devices.
2. Features
2.1 Principal features
I 0 MHz to 40 MHz operating frequency in 12× mode, 20 MHz in 6× mode
I 8 kB of on-chip flash user code memory
I 256 B of RAM
I Enhanced UART
I Three 16-bit timers/counters
I Four 8-bit I/O ports
I Supports 12-clock (default) or 6-clock mode selection via software or In-Circuit
Programming (ICP)
I DIP40, PLCC44, and LQFP44 packages
I Six interrupt sources with four priority levels
I Second DPTR register
2.2 Additional features
I Very low power
I Low EMI mode (ALE inhibit)
I Power-down mode with external interrupt wake-up
I Idle mode
I Extended temperature range
I Three security bits
I Programmable clock-out pin


NXP Semiconductors Electronic Components Datasheet

P89V52X2 Datasheet

8-bit 80C51 low power 8 kB fash microcontrolle

No Preview Available !

NXP Semiconductors
www.DataSheet4U.com
P89V52X2
80C51 with 256 B RAM, 192 B data EEPROM
3. Ordering information
Table 1. Ordering information
Type number
Package
Version
Name
Description
P89V52X2FN
DIP40
plastic dual in-line package; 40 leads (600 mil) SOT129-1
P89V52X2FBD
LQFP44
plastic low profile quad flat package; 44 leads; SOT389-1
body 10 × 10 × 1.4 mm
P89V52X2FA
PLCC44 plastic leaded chip carrier; 44 leads
SOT187-2
4. Block diagram
P89V52X2
HIGH PERFORMANCE 80C51 CPU
P3[7:0]
8 kB
CODE FLASH
256 B
DATA RAM
PORT 3
internal
bus
UART
TIMER 0
TIMER 1
TIMER 2
P2[7:0]
CRYSTAL
OR
RESONATOR
XTAL1
XTAL2
PORT 2
OSCILLATOR
PORT 1
PORT 0
TXD
RXD
T0
T1
T2
T2EX
P1[7:0]
P0[7:0]
Fig 1. Block diagram
002aac565
P89V52X2_3
Product data sheet
Rev. 03 — 4 May 2009
© NXP B.V. 2009. All rights reserved.
2 of 57


Part Number P89V52X2
Description 8-bit 80C51 low power 8 kB fash microcontrolle
Maker NXP Semiconductors
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