P8XC557E4

Single-chip 8-bit microcontroller


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Product description

The P80C557E4/P83C557E4/P89C557E4 (hereafter generically referred to as P8xC557E4) single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The P8xC557E4 has the same instruction set as the 80C51. Three versions of the derivative exist:

  • P83C557E4 - 32 Kbytes mask programmable ROM
  • P80C557E4 - ROMless version of the P83C557E4
  • P89C557E4 - 32 Kbytes FEEPROM (Flash-EEPROM)

The P8xC557E4 contains a non-volatile 32 Kbytes mask programmable ROM (P83C557E4) or electrically erasable FEEPROM respectively (P89C557E4), a volatile 1024 ? 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 P8xC557E4 can be expanded using standard TTL compatible memories and logic.

In addition, the P8xC557E4 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.

P8xC557Ex factsheet

Features

  • 80C51 central processing unit
  • 32 K ? 8 ROM respectively FEEPROM (Flash-EEPROM), expandable externally to 64 Kbytes
  • ROM/FEEPROM Code protection
  • 1024 ? 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
All information on this product information page is subject to the subsequent disclaimers:
Go to the parametric search
Parametric search

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarkingECCN
P80C557E4EFB/01P80C557E4EFB/01,519352 631 56518Volume productionSOT318-2
(QFP80) 		Reel Dry Pack, SMD, 13"Standard Marking
P80C557E4EFB/01P80C557E4EFB/01,559352 631 56557Volume productionSOT318-2
(QFP80) 		Tray Dry Pack, Bakeable, MultipleStandard Marking

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarkingECCN
P80C557E4EFB/01P80C557E4EFB/01:559352 631 56551Withdrawn
Replacement product		SOT318-2
(QFP80) 		Tray Dry Pack, Bakeable, SingleStandard Marking

Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
P80C557E4EFB/0193526315655131-Mar-0630-jun-06See CommentsDN 55
  • Part type package ONLY withdrawn
  • Sole source product
  • Standard availability
Standard Discontinuation. Bulk pack, 557, avail. Consult Marketing.

Parametrics of this product

Type numberPackagefmax
(MHz)		RAM
(B)		I/O
pins		UART
I2C
ADC
Timers
PWM
package reference code@ temperature
range
@ VDD
[min](V)		@ VDD
[max]
(V)		@ product description
P80C557E4EFBSOT318-2
(QFP80)		16.01024.048.01.01.08.03.02.0QFP80F4.55.5Single-chip 8-bit microcontroller

Similar products

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
P80C557E4EFB/01P80C557E4EFB/01,51P80C557E4EFB/01week 13, 20052.842.5839793281653747E823
P80C557E4EFB/01P80C557E4EFB/01,55P80C557E4EFB/01week 37, 20042.842.5839793281653747E823

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
P80C557E4EFB/01P80C557E4EFB/01:55P80C557E4EFB/01Always Pb-free23
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Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
P80C557E4EFB/0193526315655131-Mar-0630-jun-06See CommentsDN 55
  • Part type package ONLY withdrawn
  • Sole source product
  • Standard availability
Standard Discontinuation. Bulk pack, 557, avail. Consult Marketing.

Documentation for this product

TypeFormatTitleDate
Data sheetpdfSingle-chip 8-bit microcontroller (v.2.0)1999-03-02

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
P80C557E4EFB/019352 631 56518P80C557E4EFB/01,51JAPANCHIP ONE STOPno02/09/2012Buy onlinenot available
P80C557E4EFB/019352 631 56557P80C557E4EFB/01,55NAAVNET ELECTRONICS MARKETING1602/8/2012Buy onlinenot available
   JAPANCHIP ONE STOPno02/09/2012Buy online 

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