EV8680 datasheet(19/39 Pages) CMLMICRO

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Evaluation Kit for CMX868

EV8680

UM8680/2

CML Specific EV8680 AT Commands

Command

Description

@Fn

Test Functions

Syntax: AT@Fn<CR>

Modifier Usage

n=0 Reserved.

n=1 Reserved.

n=2 Delay 100ms.

n=3 Delay 1s.

n=4 Initiate BERT as Rx End.

n=5 Initiate BERT as Rx End.

n=6 CMX868 Status Register Monitor Function 1. Continuously reads and displays

the contents of the Status register. The update rate is based on the S19 register

setting. The function may be aborted by pushing any key.

n=7 CMX868 Status Register Monitor Function 2. Reads and displays the contents

of the Status register when an interrupt occurs. Error message returned after 30

seconds if IRQN does not go low. User must enable IRQN output and set the

appropriate IRQ Mask bit before executing this test command.

n=8 Reserved.

n=9 Reserved.

@RR

CMX868 Device Reset

Sends the General Reset Command to the CMX868 device.

Syntax: AT@RR<CR>

@Rn?

CMX868 Register Read

Command for displaying the contents of a CMX868 device register

Syntax: AT@Rn?<CR>

where n is a valid CMX868 register address (hexadecimal).

Value returned is either in decimal (default) or hex format depending on the setting

of Bit 4 in the S14 register.

@Rn=x

CMX868 Register Write

Command for writing to a CMX868 device register.

Syntax: AT@Rn=x<CR>

where n is a valid CMX868 register address (hexadecimal) and x is the value to be

written (decimal).

8-bit register values should be between 0-255, whilst 16-bit

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