P87C552

80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high IO, low voltage (2.7 V to 5.5 V), low power


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Product description

The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 87C552 has the same instruction set as the 80C51.

The 87C552 contains a 8k ? 8 non-volatile EPROM, a 256 ? 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, four-priority-level, nested interrupt structure, an 8-input ADC, a dual DAC pulse width modulated interface, two serial interfaces (UART and I 2C-bus), a ?watchdog? timer and on-chip oscillator and timing circuits. For systems that require extra capability, the 8xC552 can be expanded using standard TTL compatible memories and logic.

In addition, the 8xC552 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. Optionally, the ADC can be operated in Idle mode. 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 plus bit-handling capabilities. The instruction set consists of over 100 instructions: 49 one-byte, 45 two-byte, and 17 three-byte. With a 16MHz crystal, 58pct of the instructions are executed in 0.75us and 40pct in 1.5us. Multiply and divide instructions require 3us.

Features

  • 80C51 central processing unit
  • 8k ? 8 EPROM expandable externally to 64k bytes
  • An additional 16-bit timer/counter coupled to four capture registers and three compare registers
  • Two standard 16-bit timer/counters
  • 256 ? 8 RAM, expandable externally to 64k bytes
  • Capable of producing eight synchronized, timed outputs
  • A 10-bit ADC with eight multiplexed analog inputs
  • Fast 8-bit ADC option
  • 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
  • On-chip watchdog timer
  • Extended temperature ranges
  • Full static operation ? 0 to 16 MHz
  • Operating voltage range: 2.7V to 5.5V (0 to 16MHz)
  • Security bits:
    • OTP/EPROM ? 3 bits
  • Encryption array ? 64 bytes
  • 4 level priority interrupt
  • 15 interrupt sources
  • Full-duplex enhanced UART
    • Framing error detection
    • Automatic address recognition
  • Power control modes
    • Clock can be stopped and resumed
    • Idle mode
    • Power down mode
  • Second DPTR register
  • ALE inhibit for EMI reduction
  • Programmable I/O pins
  • Wake-up from power-down by external interrupts
  • Software reset
  • Power-on detect reset
  • ADC charge pump disable
  • ONCE mode
  • ADC active in Idle mode
All information on this product information page is subject to the subsequent disclaimers:
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Parametric search

Show functional diagram

Block diagram: P87C552SBAA, P87C552SFAA
Block diagram: P87C552SBAA, P87C552SFAA

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarkingECCN
P87C552SBAAP87C552SBAA,5129352 631 11512Volume productionSOT188-2
(PLCC68) 		Tube Dry PackStandard Marking
P87C552SFAAP87C552SFAA,5129352 639 58512Volume productionSOT188-2
(PLCC68) 		Tube Dry PackStandard 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
P87C552SBAA/GP87C552SBAA/G,5129352 789 82512Withdrawn
Replacement product		SOT188-2
(PLCC68) 		Tube Dry PackStandard Marking

Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
P87C552SBAA/G93527898251230-Sep-0631-Dec-06P87C552SBAADN 56
  • Sole source product
  • Type number fully withdrawn
  • Standard availability
Standard End of Life. See Replacement.

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
P87C552SBAASOT188-2
(PLCC68)		16.0256.048.01.01.08.03.02.0PLCC68B2.75.5Single-chip 8-bit microcontroller with 10-bit A/D, capture/compare timer, high-speed outputs, PWM
P87C552SFAASOT188-2
(PLCC68)		16.0256.048.01.01.08.03.02.0PLCC68F2.75.5Single-chip 8-bit microcontroller with 10-bit A/D, capture/compare timer, high-speed outputs, PWM

Similar products

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
P87C552SBAAP87C552SBAA,512P87C552SBAAweek 39, 20042.842.5839793281653747E834
P87C552SFAAP87C552SFAA,512P87C552SFAAweek 39, 20042.842.5839793281653747E834

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
P87C552SBAA/GP87C552SBAA/G,512Always Pb-free34
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Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
P87C552SBAA/G93527898251230-Sep-0631-Dec-06P87C552SBAADN 56
  • Sole source product
  • Type number fully withdrawn
  • Standard availability
Standard End of Life. See Replacement.

Documentation for this product

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
P87C552SBAA9352 631 11512P87C552SBAA,512NAARROW ELECTRONICS3,7782/6/2012Buy onlinenot available
   NADIGI-KEY CORPORATION8232/7/2012Buy online 
   EUFUTURE ELECTRONICS UK7922/6/2012Buy online 
   EUFARNELL5122/7/2012Buy online 
   ASELEMENT14 APAC5122/7/2012Buy online 
   NAAVNET ELECTRONICS MARKETING5082/7/2012Buy online 
   NAWPG AMERICAS INC.2162/7/2012Buy online 
   ASIAWPI21664802/07/2012Buy online 
   EUARROW EUROPE1102/3/2012Buy online 
   JAPANCHIP ONE STOPyes02/08/2012Buy online 
P87C552SFAA9352 639 58512P87C552SFAA,512EUARROW EUROPE6202/3/2012Buy onlinenot available
   JAPANCHIP ONE STOPno02/08/2012Buy online 

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