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P80C592FFA

8-bit microcontroller with on-chip CAN

Philips Electronics 

Philips Semiconductors

8-bit microcontroller with on-chip CAN

Product specification

P8xC592

6 FUNCTIONAL DESCRIPTION

The P8xC592 functions will be described as shown in the

following overview:

• Memory organization

• I/O Port structure

• Pulse Width Modulated outputs

• Analog-to-digital Converter

• Timers/Counters

• Serial I/O Ports

• Interrupt system

• Power reduction modes

• Oscillator circuitry

• Reset circuitry

• Instruction Set.

7 MEMORY ORGANIZATION

The Central Processing Unit (CPU) manipulates operands

in three memory spaces (see Fig.4) as follows:

• 16 kbytes internal resp. 64 kbytes external Program

Memory

• 512 bytes internal Data Memory MAIN- and AUXILIARY

RAM

• up to 64 kbytes external Data Memory

(with 256 bytes residing in the internal AUXILIARY

RAM).

handbook, full pagewidth64K

64K

EXTERNAL

16384

16383

INTERNAL

(EA = 1)

0

EXTERNAL

(EA = 0)

PROGRAM MEMORY

OVERLAPPED SPACE

255

INDIRECT ONLY

127

DIRECT AND

INDIRECT

0

MAIN RAM

SFRs

256

AUXILIARY

RAM

INTERNAL DATA MEMORY

MGA149

EXTERNAL

DATA MEMORY

Fig.4 Memory map.

1996 Jun 27

10

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