Single-Chip 8-Bit Microcontroller with CAN Controller

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Product Details

Block Diagram

Block diagram: P87C591VFA

Features

80C51 Related Features of the 8xC591
  • Full static 80C51 Central Processing Unit available as OTP, ROM and ROMless
  • 16 Kbytes internal Program Memory expandable externally to 64 Kbytes
  • 512 bytes on-chip Data RAM expandable externally to 64 Kbytes
  • Three 16-bit timers/counters T0, T1 (standard 80C51) and additional T2 (capture and compare)
  • 10-bit ADC with 6 multiplexed analog inputs with fast 8-bit ADC option
  • Two 8-bit resolution, Pulse Width Modulated outputs
  • 32 I/O port pins in the standard 80C51 pinout
  • I²C-bus serial I/O port with byte oriented controller and target functions
  • On-chip Watchdog Timer T3
  • Extended temperature range: -40 to +85 Cel
  • Accelerated (prescaler 1:1) instruction cycle time 500 ns @ 12 MHz
  • Operation voltage range: 5 V +- 5 pct
  • Security bits:
    • ROM version has 2 bits
    • OTP/EPROM version has 3 bits
  • 32 bytes Encryption array
  • 4 level priority interrupt, 15 interrupt sources
  • Full-duplex enhanced UART with programmable Baudrate Generator
  • Power Control Modes:
    • Clock can be stopped and resumed
    • Idle Mode
    • Power-down Mode
  • ADC active in Idle Mode
  • Second DPTR register
  • ALE inhibit for EMI reduction
  • Programmable I/O port pins (pseudo bi-directional, push-pull, high impedance, open drain)
  • Wake-up from Power-down by external interrupts
  • Software reset bit (AUXR1.5)
  • Low active reset pin
  • Power-on detect reset
  • Once mode

CAN Related Features of the 8xC591

  • CAN 2.0B active controller, supporting 11-bit Standard and 29-bit Extended indentifiers
  • 1 Mbit/s CAN bus speed with 8 MHz clock achievable
  • 64 byte receive FIFO (can capture sequential Data Frames from the same source as required by the Transport Layer of higher protocols such as DeviceNet, CANopen and OSEK)
  • 13 byte transmit buffer
  • Enhanced PeliCAN core (from the SJA1000 stand-alone CAN2.0B controller)

PELICAN FEATURES

  • Four independently configurable Screeners (Acceptance Filters)
  • Each Screener has two 32-bit specifies:
    • 32-bit Match and
    • 32-bit Mask
  • 32-bits of Mask per Screener allows unique Group addressing per Screener
  • Higher layer protocols especially supported in Standard CAN format with:
    • Up to four, 11-bit ID Screeners that also Screen the two (2) Data Bytes
    • i.e., Data Frames are Screened by the CAN ID and by Data Byte content
  • Up to eight, 11-bit ID Screeners half of which also Screen the first Data Byte
  • All Screeners are changeable "on the fly"
  • Listen Only Mode, Self Test Mode
  • Error Code Capture, Arbitration Lost Capture, readable Error Counters

Errata Sheet

  • Relay driver
  • High speed line driver
  • Logic level translator.
  • Target Applications

    • Relay driver
    • High speed line driver
    • Logic level translator.

    Part numbers include: P87C591VFA.

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    Documentation

    Quick reference to our documentation types.

    4 documents

    Design Files

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