P89C51RB2; P89C51RC2; P89C51RD2 80C51 8-bit Flash Microcontroller Family 16KB/32KB/64KB ISP/IAP Flash With 512B/512B/1KB RAM

The P89C51RB2 P89C51RC2/P89C51RD2Hxx device contains a non-volatile 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. This device executes one machine cycle in 6 Clock cycles, hence providing twice the speed of a conventional 80C51. An OTP configuration bit lets the user select conventional 12 Clock Timing if desired. This device is a Single-Chip 8-Bit Microcontroller manufactured in advanced CMOS process and is a derivative of the 80C51 Microcontroller family. The instruction set is 100 pct compatible with the 80C51 instruction set. The device also has four 8-bit I/O ports, three 16-bit Timer event Counters a multi-source, four-priority-level, nested interrupt structure, an enhanced UART and on-chip Oscillator and Timing circuits. The added features of the P89C51RB2 RC2/RD2Hxx makes it a powerful Microcontroller for applications that require pulse width modulation, high-speed I/O and up/down counting capabilities such as Motor Control
By NXP Semiconductors
P89C51RB2 's PackagesP89C51RB2 's pdf datasheet
P89C51RB2HB
P89C51RB2HBBD
P89C51RC2HBP
P89C51RC2HBA
P89C51RC2HFA
P89C51RC2HBBD
P89C51RC2HFBD
P89C51RD2HBP
P89C51RD2HBA
P89C51RD2HBBD




P89C51RB2 Pinout, Pinouts
P89C51RB2 pinout,Pin out
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