Infineon Technologies TC1784, User Manual

Page: 2019 / 2350

TC1784
Micro Link Interface (MLI)
User´s Manual 22-70 V1.1, 2011-05
MLI, V2.0
22.3 Operating the MLI
Data transfer via MLI between a Local Controller and a Remote Controller is only
possible if both are initialized correctly by following sequence of 4 steps. Steps 3 and 4
are necessary if the initialization sequence is exclusively controlled by the Local
Controller. If both communication partners are able to run initialization software, steps 1
and 2 can be executed separately by both controllers to initialize both transmitters and
both receivers.
1. The transmitter of the Local Controller has to be initialized by write actions to the
transmitter registers.
2. The pipes from the Local Controller’s transmitter to the Remote Controller’s receiver
and the Remote Controller’s receiver have to be initialized.
3. The Remote Controller’s transmitter has to be initialized by data write actions from
the Local Controller via the Remote Controller’s receiver to the Remote Controller’s
transmitter registers.
4. The pipes from the Remote Controller’s transmitter back to the Local Controller’s
receiver and the Local Controller’s receiver have to be initialized. This is done by
frames from the Remote Controller’s transmitter. These frames are the result of data
write actions of the Local Controller to the Remote Controller’s transmitter registers.
Figure 22-49 Initialization Sequence for an MLI Connection
MLI_init_sequence
Local Controller
Port
MLI
Transmitter
MLI
Receiver
Port
Port
MLI
Receiver
MLI
Transmitter
Port
Step
1
Remote Controller
Step
4
Step
2
Step
3