Extron electronic MLC 52 manual Command Hexadecimal Response Additional

Serial Communication, cont’d

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			??
Receive	1B A7		0D
		??

[256 bytes of data] Seg0	The host sends 256 bytes of
	binary data to the MLC.
[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 (0 to 127 decimal).

The responses shown are ASCII.

??

can be 0 to 7F (hex)

5-54 MLC 52 Series MediaLink Controllers • Serial Communication