8-bit microcontroller. P87C51RC2 Datasheet

P87C51RC2 microcontroller. Datasheet pdf. Equivalent

Part P87C51RC2
Description 80C51 8-bit microcontroller
Feature INTEGRATED CIRCUITS P87C51RA2/RB2/RC2/RD2 80C51 8-bit microcontroller family 8KB/16KB/32KB/64KB OTP.
Manufacture NXP
Download P87C51RC2 Datasheet

80C51 8-bit microcontroller family
8KB/16KB/32KB/64KB OTP, 512B/512B/512B/1KB RAM,
low voltage (2.7 to 5.5 V), low power, high speed
(30/33 MHz)
Product data
Supersedes data of 2002 Oct 28
2003 Jan 24

Philips Semiconductors
80C51 8-bit microcontroller family 8KB/16KB/32KB/64KB OTP
with 512B/1KB RAM, low voltage (2.7 to 5.5 V), low power, high
speed (30/33 MHz)
Product data
The devices are Single-Chip 8-Bit Microcontrollers manufactured in
an advanced CMOS process and are derivatives of the 80C51
microcontroller family. The instruction set is 100% compatible with
the 80C51 instruction set.
The devices support 6-clock/12-clock mode selection by
programming an OTP bit (OX2) using parallel programming. In
addition, an SFR bit (X2) in the clock control register (CKCON)
also selects between 6-clock/12-clock mode.
The devices also have 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 P87C51RA2/RB2/RC2/RD2 make it a
powerful microcontroller for applications that require pulse width
modulation, high-speed I/O and up/down counting capabilities such
as motor control.
80C51 Central Processing Unit
8 kbytes OTP (87C51RA2)
16 kbytes OTP (87C51RB2)
32 kbytes OTP (87C51RC2)
64 kbytes OTP (87C51RD2)
512 byte RAM (87C51RA2/RB2/RC2)
1 kbyte RAM (87C51RD2)
Boolean processor
Fully static operation
Low voltage (2.7 V to 5.5 V at 16 MHz) operation
12-clock operation with selectable 6-clock operation (via software
or via parallel programmer)
Memory addressing capability
Up to 64 kbytes ROM and 64 kbytes RAM
Power control modes:
Clock can be stopped and resumed
Idle mode
Power-down mode
CMOS and TTL compatible
Two speed ranges at VCC = 5 V
0 to 30 MHz with 6-clock operation
0 to 33 MHz with 12-clock operation
Parallel programming with 87C51 compatible hardware interface
to programmer
RAM expandable externally to 64 kbytes
Programmable Counter Array (PCA)
PLCC, LQFP, or DIP package
Extended temperature ranges
Dual Data Pointers
Security bits (3 bits)
Encryption array - 64 bytes
Seven interrupt sources
4 interrupt priority levels
Four 8-bit I/O ports
Full-duplex enhanced UART
Framing error detection
Automatic address recognition
Three 16-bit timers/counters T0, T1 (standard 80C51) and
additional T2 (capture and compare)
Programmable clock-out pin
Asynchronous port reset
Low EMI (inhibit ALE, slew rate controlled outputs, and 6-clock
Wake-up from Power Down by an external interrupt
2003 Jan 24
2 853–2391 29335

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