A Complete System-on-a-Chip

control dominated systems

Philips 83 C552: 8 bit-8051 based microcontroller

complete system

timers, PWM for control

I²C-bus and par./ser.

interfaces for communi-

cation

A/D converter

watchdog (SW activity

timeout): safety

on-chip memory

interrupt controller

parallel ports 1 through 5

processor

80C51

watchdog (T3)

timer0 (16 bit)

timer1 (16 bit)

15-vector

interrupt

timer2

(16 bit)

8K8 ROM

(87C552 8K8

EPROM)

256x8 RAM

A/DC

10-bit

PWM

UART

I²C

Source: Prof. Rolf Ernst

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