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P80C557E6 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Single-chip 8-bit microcontroller - NXP

भाग संख्या P80C557E6
समारोह Single-chip 8-bit microcontroller
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
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<?=P80C557E6?> डेटा पत्रक पीडीएफ

P80C557E6 pdf
Philips Semiconductors
Single-chip 8-bit microcontroller
Product specification
P83C557E6/P80C557E6
1. FEATURES
80C51 central processing unit
48 K × 8 ROM, expandable externally to 64 Kbytes
ROM Code protection
1536 × 8 RAM, expandable externally to 64 Kbytes
Two standard 16-bit timer/counters
An additional 16-bit timer/counter coupled to four capture registers
and three compare registers
A 10-bit ADC with eight multiplexed analog inputs and
programmable autoscan
Two 8-bit resolution, pulse width modulation outputs
Five 8-bit I/O ports plus one 8-bit input port shared with analog
inputs
I2C-bus serial I/O port with byte oriented master and slave
functions
Full-duplex UART compatible with the standard 80C51
On-chip watchdog timer
15 interrupt sources with 2 priority levels (2 to 6 external sources
possible)
Extended temperature range (–40 to +85 °C)
4.5 to 5.5 V supply voltage range
Frequency range for 80C51–family standard oscillator: 3.5 MHz to
16 MHz
PLL oscillator with 32 kHz reference and software–selectable
system clock frequency
Seconds Timer
Software enable/disable of ALE output pulse
Electromagnetic compatibility improvements
Wake–up from Power–down by external or seconds interrupt
2. GENERAL DESCRIPTION
The P80C557E6/P83C557E6 (hereafter generically referred to as
P8xC557E6) single-chip 8-bit microcontroller is manufactured in an
advanced CMOS process and is a derivative of the 80C51
microcontroller family. The P8xC557E6 has the same instruction set
as the 80C51. Three versions of the derivative exist:
P83C557E6 — 48 Kbytes mask programmable ROM
P80C557E6 — ROMless version of the P83C557E6
The P8xC557E6 contains a non-volatile 48 Kbytes mask
programmable ROM (P83C557E6), a volatile 1536 × 8 read/write
data memory, five 8-bit I/O ports, one 8-bit input port, two 16-bit
timer/event counters (identical to the timers of the 80C51), an
additional 16-bit timer coupled to capture and compare latches, a
15-source, two-priority-level, nested interrupt structure, an 8-input
ADC, a dual DAC pulse width modulated interface, two serial
interfaces (UART and I2C-bus), a “watchdog” timer, an on-chip
oscillator and timing circuits. For systems that require extra
capability the P8xC557E6 can be expanded using standard TTL
compatible memories and logic.
In addition, the P8xC557E6 has two software selectable modes of
power reduction — Idle Mode and power-down mode. The Idle
Mode freezes the CPU while allowing the RAM, timers, serial ports,
and interrupt system to continue functioning. The power-down mode
saves the RAM contents but freezes the oscillator, causing all other
chip functions to be inoperative.
The device also functions as an arithmetic processor having
facilities for both binary and BCD arithmetic as well as bit-handling
capabilities. The instruction set consists of over 100 instructions: 49
one-byte, 45 two-byte, and 17 three- byte. With a 16 MHz system
clock, 58% of the instructions are executed in 0.75 µs and 40% in
1.5 µs. Multiply and divide instructions require 3 µs.
1999 Mar 02
2

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