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P83C654 Datasheet Preview

P83C654 Datasheet

CMOS single-chip 8-bit microcontroller

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INTEGRATED CIRCUITS
83C654
CMOS single-chip 8-bit microcontroller
Product specification
Supersedes data of 1996 Aug 15
IC20 Data Handbook
1998 Jan 06
Philips
Semiconductors




Philips

P83C654 Datasheet Preview

P83C654 Datasheet

CMOS single-chip 8-bit microcontroller

No Preview Available !

Philips Semiconductors
CMOS single-chip 8-bit microcontroller
Product specification
83C654
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
16k × 8 read-only program memory, a volatile
256 × 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
BLOCK DIAGRAM
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)µs
and 40% in 1.5(1)µs. Multiply and divide
instructions require 3(2)µs.
FEATURES
80C51 central processing unit
16k × 8 ROM expandable externally to
64k bytes
256 × 8 RAM, expandable externally to
64k bytes
Two standard 16-bit timer/counters
Four 8-bit I/O ports
I2C-bus serial I/O port with byte oriented
master and slave functions
Full-duplex UART facilities
Power control modes
Idle mode
Power-down mode
ROM code protection
Extended frequency range: 3.5 to 24 MHz
Three operating ambient temperature
ranges:
0 to +70°C
–40 to +85°C
–40 to +125°C
FREQUENCY
REFERENCE
COUNTERS
XTAL2 XTAL1
T0 T1
OSCILLATOR
AND
TIMING
PROGRAM
MEMORY
(16K x 8 ROM)
DATA
MEMORY
(256 x 8 RAM)
TWO 16-BIT
TIMER/EVENT
COUNTERS
CPU
I2C SERIAL I/O
SDA SHARED
WITH
SCL PORT 1
INTERNAL
INTERRUPTS
64K BYTE BUS
EXPANSION
CONTRTOL
PROGRAMMABLE I/O
PROG SERIAL PORT
FULL DUPLEX UART
SYNCHRONOUS SHIFT
INT0
INT1
EXTERNAL
INTERRUPTS
1998 Jan 06
CONTROL
PARALLEL PORTS,
ADDRESS/DATA BUS
AND I/O PINS
SERIAL IN SERIAL OUT
SHARED WITH
PORT 3
2


Part Number P83C654
Description CMOS single-chip 8-bit microcontroller
Maker Philips
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