P87C554

80C51 8-bit microcontroller - 12 clock operation, 16K/512 OTP/RAM, 8 channel 10-bit A/D, I2C, PWM, capture/compare, high I/O


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Product description

The P87C554 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 87C554 has the same instruction set as the 80C51.

The 87C554 contains a 16k x 8 non-volatile EPROM, a 512 x 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 I²C-bus), a "watchdog" timer and on-chip oscillator and timing circuits. For systems that require extra capability, the P87C554 can be expanded using standard TTL compatible memories and logic.

In addition, the P87C554 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 16 MHz crystal, 58 pct. of the instructions are executed in 0.75 us and 40 pct. in 1.5 us. Multiply and divide instructions require 3 us.

Features

  • 80C51 central processing unit
  • 16k x 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
  • 512 x 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: 2.7 V to 5.5 V (0 to 16 MHz) and 4.5 V to 5.5 V (16 to 33 MHz)
  • Three security 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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Show functional diagram

Block diagram: P80C554SFBD, P87C554SBAA, P87C554SFAA
Block diagram: P80C554SFBD, P87C554SBAA, P87C554SFAA

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarkingECCN
P87C554SBAAP87C554SBAA,5129352 633 85512Volume productionSOT188-2
(PLCC68) 		Tube Dry PackStandard Marking
P87C554SFAAP87C554SFAA,5129352 639 22512Volume productionSOT188-2
(PLCC68) 		Tube Dry PackStandard Marking

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
P87C554SBAASOT188-2
(PLCC68)		16.0512.048.01.01.08.03.02.0PLCC68B2.75.580C51 8-bit microcontroller - 12 clock operation, 16K/512 OTP/RAM, 8 channel 10-bit A/D, I2C, PWM, capture/compare, high I/O
P87C554SFAASOT188-2
(PLCC68)		16.0512.048.01.01.08.03.02.0PLCC68F2.75.580C51 8-bit microcontroller - 12 clock operation, 16K/512 OTP/RAM, 8 channel 10-bit A/D, I2C, PWM, capture/compare, high I/O

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Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
P87C554SBAAP87C554SBAA,512P87C554SBAAweek 39, 20042.842.5839793281653747E834
P87C554SFAAP87C554SFAA,512P87C554SFAAweek 39, 20042.842.5839793281653747E834
Quality and reliability disclaimer

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Documentation for this product

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
P87C554SBAA9352 633 85512P87C554SBAA,512NADIGI-KEY CORPORATION6512/10/2012Buy onlinenot available
   EUARROW EUROPE3102/3/2012Buy online 
   NAWPG AMERICAS INC.2342/10/2012Buy online 
   ASIAWPI23464802/10/2012Buy online 
   JAPANCHIP ONE STOPno02/10/2012Buy online 
P87C554SFAA9352 639 22512P87C554SFAA,512EUARROW EUROPE1,9162/3/2012Buy onlinenot available
   NADIGI-KEY CORPORATION1,7992/10/2012Buy online 
   ASIAFUTURE ELECTRONICS- ASIA1,6382/6/2012Buy online 
   NAAVNET ELECTRONICS MARKETING2252/10/2012Buy online 
   JAPANCHIP ONE STOPno02/10/2012Buy online 

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