TC1165 datasheet(63/133 Pages) INFINEON

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TC1165/TC1166

Functional Description

Preliminary

Data Sheet

V1.0, 2008-04

3.12

Micro Link Serial Bus Interface (MLI0, MLI1)

The Micro Link Interface is a fast synchronous serial interface that allows data exchange

between microcontrollers of the 32-bit AUDO microcontroller family without intervention

of a CPU or other bus masters. Figure 3-8 shows how two microcontrollers are typically

connected together via their MLI interfaces. The MLI operates in both microcontrollers

as a bus master on the system bus.

Figure 3-8

Typical Micro Link Interface Connection

Features

•

Synchronous serial communication between MLI transmitters and MLI receivers

located on the same or on different microcontroller devices

•

Automatic data transfer/request transactions between local/remote controller

•

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

•

Complete address range of remote controller available

•

Specific frame protocol to transfer commands, addresses and data

•

Error control by parity bit

•

32-bit, 16-bit, and 8-bit data transfers

•

Programmable baud rates

– MLI transmitter baud rate: max.

MLI/2 (= 40 Mbit/s @ 80 MHz module clock)

– MLI receiver baud rate: max.

MLI

•

Multiple remote (slave) controllers are supported

MLI transmitter and MLI receiver communicate with other off-chip MLI receivers and MLI

transmitters via a 4-line serial I/O bus each. Several I/O lines of these I/O buses are

available outside the MLI module kernel as four-line output or input buses.

MCA06061

Controller 1

CPU

Peripheral

MLI

System Bus

Controller 2

CPU

Peripheral

MLI

System Bus

Memory

TC1165 Datasheet(PDF) 63 Page - Infineon Technologies AG

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