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P80C Series 8 Bit Romless 512 Byte RAM 16 MHz Microcontroller

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P80C Series 8 Bit Romless 512 Byte RAM 16 MHz Microcontroller - LQFP-64

Mfr Part#: P80C554SFBD,157
Mounting Method:  Surface Mount
Package Style:  LQFP-64
Packaging:  TRAY
Std Packaging Qty:  160

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>Categories: Active Components>P80C Series 8 Bit Romless 512 Byte RAM 16 MHz Microcontroller

The P80C554SFBD,157 is a part of P80C series Microcontroller. It has an operating voltage ranging from 4.5 V to 5.5 V and comes in LQFP-64 package.

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 7-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 8xC554 can be expanded using standard TTL compatible memories and logic.


  • 80C51 central processing unit
  • 16k x 8 EPROM expandable externally to 64 kbytes
  • 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 64 kbytes
  • Capable of producing eight synchronized, timed outputs
  • A 10-bit ADC with seven multiplexed analog inputs
  • Fast 8-bit ADC option ? 9 uS at 16 MHz
  • 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 8 MHz) and 4.5 V to 5.5 V (8 to 16 MHz) commercial temperature

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Sinospec Electronics Limited

Contact:Micheal Ng

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