8-Bit Microcontroller with On-Chip CAN

P80C592FFA

The P8xC592 is a single-chip 8-bit high-performance microcontroller with on-chip CAN-controller, derived from the 80C51 microcontroller family.

It uses the powerful 80C51 instruction set. <!--Figure 1 shows a block diagram of the P8xC592.-->

The P8xC592 is manufactured in an advanced CMOS process, and is designed for use in automotive and general industrial applications. In addition to the 80C51 standard features, the device provides a number of dedicated hardware functions for these applications.

Two versions of the P8xC592 will be offered:

  • P80C592 (without ROM)
  • P83C592 (with ROM).

Hereafter these versions will be referred to as P8xC592.

The temperature range includes (max. fCLK= 16 MHz):

  • -40 to +85 °C version, for general applications
  • -40 to +125 °C version for automotive applications.

The P8xC592 combines the functions of the P8xC552 (microcontroller) and the PCA82C200 (Philips CAN-controller) with the following enhanced features:

  • 16 kbytes Program Memory
  • 2 x 256 bytes Data Memory
  • DMA between CAN Transmit/Receive Buffer and internal RAM.

The main differences between P8xC592 and P8xC552 are:

  • 16 kbytes programmable ROM (P8xC552 has 8 kbytes)
  • Additional 256 bytes RAM
  • A CAN-controller instead of the I²C-serial interface.

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Block diagram: P80C592FFA, P80CE598FFB

Block diagram: P80C592FFA, P80CE598FFB

Block diagram: P80C592FFA

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Features

  • 80C51 central processing unit (CPU)
  • 16 kbytes on-chip ROM, externally expandible to 64 kbytes
  • 2 x 256 bytes on-chip RAM, externally expandible to 64 kbytes
  • Two standard 16-bit timers/counters
  • One additional 16-bit timer/counter coupled to four capture and three compare registers
  • 10-bit ADC with 8 multiplexed analog inputs
  • Two 8-bit resolution Pulse Width Modulated outputs
  • 15 interrupt sources with 2 priority levels (2 to 6 external interrupt sources possible)
  • Five 8-bit I/O ports, plus one 8-bit input port shared with analog inputs
  • CAN-controller (CAN = Controller Area Network) with DMA data transfer facility to internal RAM
  • 1 Mbit/s CAN-controller with bus failure management facility
  • 1/2 AVDD reference voltage
  • Full-duplex UART compatible with the standard 80C51
  • On-chip Watchdog Timer (WDT)
  • 1.2 to 16 MHz clock frequency.

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