Details, datasheet, quote on part number: P83C654EHPN
PartP83C654EHPN
CategoryMicrocontrollers
DescriptionCMOS Single-chip 8-bit Microcontroller
CompanyPhilips Semiconductors (Acquired by NXP)
DatasheetDownload P83C654EHPN datasheet
  

 

Features, Applications

Product specification Supersedes data of 1996 Aug 15 IC20 Data Handbook 1998 Jan 06
DESCRIPTION

The P83C654 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 83C654 has the same instruction set as the 80C51. Two versions of the derivative exist: 83C654 16k bytes mask programmable ROM 87C654 EPROM version (described in a separate data sheet) This device provides architectural enhancements that make it applicable in a variety of applications for general control systems. The 83C654 contains a non-volatile 8 read-only program memory, a volatile 8 read/write data memory, four 8-bit I/O ports, two 16-bit timer/event counters (identical to the timers of the 80C51), a multi-source, two-priority-level, nested interrupt structure, an I2C interface, UART and on-chip oscillator and timing circuits. For systems that require extra capability, the

8XC654 can be expanded using standard TTL compatible memories and logic. The device also functions as an arithmetic processor having facilities for both binary and BCD arithmetic plus bit-handling capabilities. The instruction set consists of over 100 instructions: 49 one-byte, 45 two-byte and 17 three-byte. With a 16(24)MHz crystal, 58% of the instructions are executed in 0.75(0.5)s and in 1.5(1)s. Multiply and divide instructions require 3(2)s.

FEATURES

Two standard 16-bit timer/counters Four 8-bit I/O ports I2C-bus serial I/O port with byte oriented

Full-duplex UART facilities Power control modes
ROM code protection Extended frequency range: to 24 MHz Three operating ambient temperature

INTERNAL INTERRUPTS 64K BYTE BUS EXPANSION CONTRTOL PROG SERIAL PORT FULL DUPLEX UART SYNCHRONOUS SHIFT

VDD VSS ADDRESS AND DATA BUS SCL SDA RxD TxD WR RD ADDRESS BUS RST XTAL2 EA PSEN ALE PORT 0 PORT 2 PORT 1


 

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