EV6240 datasheet(20/47 Pages) CMLMICRO

20 / 47 page

Evaluation Kit for CMX624/CMX644A

EV6240

UM6240/3

Select Line Modulation

Selects the line modulation specified by the parameter n.

Syntax: ATFn<CR>

Modifier Usage

n=0 Selects the CMX624 for V.23 or Bell 202 line modulation (default).

n=1 Selects the CMX644A for V.22 or Bell 212A line modulation.

n=2 Reserved.

Switch Hook Control

Syntax: ATHn<CR>

Modifier Usage

n=0 Instructs the modem to go on-hook (disconnect).

n=1 Instructs the modem to go off-hook.

Identification

Requests the modem to return its product identification information.

Syntax: ATIn<CR>

Modifier Usage

n=0 Displays the firmware name and version number.

n=1 Displays Product Name.

n=2 Displays CML UK sales information.

n=3 Displays South East Asia sales information.

N=4 Displays NAFTA sales information.

Enable/Disable Modem Responses

Syntax: ATQn<CR>

Modifier Usage

n=0 Enables result codes to be issued to the screen (default).

n=1 Disables result codes to be issued to the screen

Sn?

S-Register Read

Command for displaying the contents of an S-Register.

Syntax: AT@Sn?<CR>

where n is the S-Register to be interrogated (decimal).

Value returned will be in hexadecimal format.

Sn=x

S-Register Write

Command for writing to an S-Register. (See list of S-Registers later on)

Syntax: AT@Sn=x<CR>

where n is the S-Register (decimal) and x is the value to be written (decimal, 0-255).

EV6240 Datasheet(PDF) 20 Page - CML Microcircuits