TC1797 datasheet(49/190 Pages) INFINEON

49 / 190 page

TC1797

Introduction

Data Sheet

V1.1, 2009-04

2.5.6

Micro Link Serial Bus Interface

This TC1797 contains two Micro Link Serial Bus Interfaces, MLI0 and MLI1.

The Micro Link Interface (MLI) is a fast synchronous serial interface to exchange data

between microcontrollers or other devices, such as stand-alone peripheral components.

Figure 10 shows how two microcontrollers are typically connected together via their MLI

interfaces.

Figure 10

Typical Micro Link Interface Connection

Features

•

Synchronous serial communication between an MLI transmitter and an MLI receiver

•

Different system clock speeds supported in MLI transmitter and MLI receiver due to

full handshake protocol (4 lines between a transmitter and a receiver)

•

Fully transparent read/write access supported (= remote programming)

•

Complete address range of target device available

•

Specific frame protocol to transfer commands, addresses and data

•

Error detection by parity bit

•

32-bit, 16-bit, or 8-bit data transfers supported

•

Programmable baud rate:

MLI/2 (max. fMLI = fSYS)

•

Address range protection scheme to block unauthorized accesses

•

Multiple receiving devices supported

MCA06061

Controller 1

CPU

Peripheral

MLI

System Bus

Controller 2

CPU

Peripheral

MLI

System Bus

Memory

TC1797 Datasheet(PDF) 49 Page - Infineon Technologies AG

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