Serial communication, cont’d – Extron electronic MEDIALINK MLC 52 User Manual

Page 114

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Serial Communication, cont’d

MLC 52 Series MediaLink Controllers • Serial Communication

5-54

Command/response table for advanced instructions (for the MLC 52
configuration program)

Data downloads and uploads are initiated by sending a series of hexadecimal
commands to the configuration port of the MLC. The Windows-based
configuration program uses these commands mainly to load and save driver
data and system configuration settings.

Command

Hexadecimal

Response

Additional

(host to MLC)

(MLC to host)

description

Send/receive data to/from page 0 memory

Send

1B 2B A0 [16k bytes of data]

Dnl0

The host downloads 16k bytes
of binary data to page 0 of the
MLC’s memory.

Receive

1B A1 0D

The MLC sends 16k bytes of
binary data to the host.

Send/receive data to/from page 1 memory

Send

1B 2B A2 [16k bytes of data]

Dnl1

The host downloads 16k bytes
of binary data to page 1 of the
MLC’s memory.

Receive

1B A3 0D

[16k bytes of data]

The MLC sends 16k bytes of
binary data to the host.

Send/receive a segment (256 bytes) of data (a segment relating to a single button)

Send

1B 2B A6

??

[256 bytes of data] Seg0

The host sends 256 bytes of
binary data to the MLC.

Receive

1B A7

??

0D

[256 bytes of data]

The MLC sends 256 bytes of
binary data to the host.

Initiate or abort IR learning

Start learning

1B B0

??

0D

LrnRdy

Initiate IR learning.

LrnTimOut

Timeout during IR learning.

LrnRetry

Retry IR learning.

(Aim remote

control at MLC, press button again.)

LrnFail

IR learning has failed.

LrnOK

IR learning has succeeded.

Abort learning

1B B1 0D

Lrn Abort

Abort IR learning.

Activate a memory block (segment)/emulate a button press

Activate a block

1B D0

??

0D

IRSnd*

??

Activate/trigger a memory
block. (Send the command
stored at that address).

??

indicates the block number in hex notation where

??

can be 0 to 7F (hex)

(0 to 127 decimal).

The responses shown are ASCII.

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