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P89C51RD2

Philips
Part Number P89C51RD2
Manufacturer Philips
Description 8-bit Flash microcontroller
Published May 6, 2014
Detailed Description INTEGRATED CIRCUITS P89C51RA2xx/RB2xx/RC2xx/RD2xx 80C51 8-bit Flash microcontroller family 8KB/16KB/32KB/64KB ISP/IAP F...
Datasheet PDF File P89C51RD2 PDF File

P89C51RD2
P89C51RD2

Overview
INTEGRATED CIRCUITS P89C51RA2xx/RB2xx/RC2xx/RD2xx 80C51 8-bit Flash microcontroller family 8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB RAM Preliminary data Supersedes data of 2002 May 20 2002 Jul 18 Philips Semiconductors http://www.
Datasheet4U.
com/ Philips Semiconductors Preliminary data 80C51 8-bit Flash microcontroller family 8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB RAM P89C51RA2/RB2/RC2/RD2xx DESCRIPTION The P89C51RA2/RB2/RC2/RD2xx contains a non-volatile 8KB/16KB/32KB/64KB Flash program memory that is both parallel programmable and serial In-System and In-Application Programmable.
In-System Programming (ISP) allows the user to download new code while the microcontroller sits in the application.
In-Application Programming (IAP) means that the microcontroller fetches new program code and reprograms itself while in the system.
This allows for remote programming over a modem link.
A default serial loader (boot loader) program in ROM allows serial In-System programming of the Flash memory via the UART without the need for a loader in the Flash code.
For In-Application Programming, the user program erases and reprograms the Flash memory by use of standard routines contained in ROM.
The dev ice supports 6-c loc k/12-c loc k mode selec tion by programming a Flas h bit using parallel programming or In-Sy stem Programming.
In addition, an SFR bit (X2) in the cloc k control regis ter (CKCON) als o selec ts between 6-c lock/12-c lock mode.
Additionally, when in 6-clock mode, peripherals may use either 6 clocks per machine cycle or 12 clocks per machine cycle.
This choice is available individually for each peripheral and is selected by bits in the CKCON register.
This device is a Single-Chip 8-Bit Microcontroller manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family.
The instruction set is 100% compatible with the 80C51 instruction set.
The device also has four 8-bit I/O ports, three 16-bit tim...


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