AT Command Summary Tables

Table 5. Data Mode Command Summary (Continued)

Note

Command

Function

Default

Range

Reported

by &Vn

 

 

 

 

 

 

 

 

 

 

 

*

Xn

Result code type

4

0–4

yes

 

 

 

 

 

 

 

X0

Enables result codes 0–4; disables detection

 

 

 

 

of busy and dial tone

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X1

Enables result codes 0–5, 10, and above;

 

 

 

 

disables busy and dial tone detection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enables result codes 0–6 and 10 and above;

 

 

 

 

X2

disables busy detection and enables dial

 

 

 

 

 

tone detection

 

 

 

 

 

 

 

 

 

 

 

Enables result codes 0–5, 7, and 10 and

 

 

 

 

X3

above; enables busy detection and disables

 

 

 

 

 

dial tone detection

 

 

 

 

 

 

 

 

 

 

X4

Enables result codes 0–7 and 10 and above;

 

 

 

 

enables busy and dial tone detection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

Yn

Long space disconnect

0

0, 1

yes

 

 

 

 

 

 

 

Y0

Disables long space disconnect

 

 

 

 

 

 

 

 

 

 

Y1

Enables long space disconnect

 

 

 

 

 

 

 

 

 

 

Zn

Recall stored profile

0

0, 1

no

 

 

 

 

 

 

 

Z0

Resets modem and recalls user profile 0

 

 

 

 

 

 

 

 

 

 

Z1

Resets modem and recalls user profile 1

 

 

 

 

 

 

 

 

 

*

&Cn

DCD (data carrier detect) option

1

0, 1

yes

 

 

 

 

 

 

 

&C0

Ignores remote modem status; DCD always

 

 

 

 

on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

&C1

DCD set according to remote modem status

 

 

 

 

 

 

 

 

 

 

&Dn

DTR (data terminal ready) option

2

0–3

yes

 

 

 

 

 

 

 

&D0

In Async mode, modem ignores DTR

 

 

 

 

 

 

 

 

 

 

 

Modem switches from data mode to

 

 

 

 

&D1

command mode when an on-to-off transition

 

 

 

 

 

of DTR occurs

 

 

 

 

 

 

 

 

 

 

 

When DTR switches off, the modem goes

 

 

 

 

&D2

on-hook and disables Auto-answer mode;

 

 

 

 

when DTR switches on, auto-answer is

 

 

 

 

 

 

 

 

 

 

enabled

 

 

 

 

 

 

 

 

 

 

&D3

Turning off DTR re-initializes the modem and

 

 

 

 

resets values except UART registers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

&F

Load factory defaults

none

–

no

 

 

 

 

 

 

*

&Gn

Guard tone option (1200 bps and 2400 bps

0

0–2

yes

only)

 

 

 

 

 

 

 

 

 

 

 

 

&G0

Disables guard tone

 

 

 

 

 

 

 

 

 

 

&G1

Enables 550 Hz guard tone

 

 

 

 

 

 

 

 

 

 

&G2

Enables 1800 Hz guard tone

 

 

 

 

 

 

 

 

 

 

&Kn

Select serial flow control

3

0, 3, 4

yes

 

 

 

 

 

 

* Value saved in NVRAM.

** Command not preceded by an ‘AT.’

16

536EX Chipset Developer’s Manual

Intel Confidential

Page 15 Page 17
Page 16
Image 16
Intel 537EX manual Intel Confidential
Page 15 Page 17

537EX specifications

The Intel 537EX is a powerful and innovative embedded processor designed for a range of applications, particularly in the fields of industrial automation, telecommunications, and transport management systems. This processor is a member of Intel's embedded product line, tailored specifically to meet the demands of systems that require high reliability and long lifecycle support.

One of the main features of the Intel 537EX is its multi-core architecture, which enables efficient parallel processing capabilities. This allows for the execution of multiple tasks simultaneously, significantly improving overall system performance. The processor also incorporates Intel’s advanced power management technology, which ensures that the device consumes energy efficiently, enhances thermal performance, and prolongs the lifespan of the system.

The Intel 537EX supports a range of connectivity options, including high-speed Ethernet and Serial ATA interfaces. This ensures that it can easily integrate into existing systems, seamlessly supporting applications that require robust data transfer capabilities. Additionally, the processor is equipped with multiple I/O ports, facilitating the connection of various peripherals and sensors, which is crucial in industrial applications.

One of the standout technologies within the Intel 537EX is its support for hardware virtualization. This feature allows for the creation of multiple virtual environments within a single physical structure, optimizing resource utilization and enhancing system flexibility. Additionally, Intel’s integrated security technologies provide a significant layer of protection against potential threats, ensuring that embedded systems remain secure.

Another characteristic of the Intel 537EX is its extensive software support, which includes compatibility with various operating systems and development environments. This versatility makes it an attractive choice for developers looking to build or upgrade their embedded systems. With access to Intel's comprehensive software tools, developers can quickly optimize applications to take full advantage of the processor's capabilities.

The Intel 537EX also boasts excellent thermal performance, allowing it to operate efficiently in harsh environments. This is crucial for embedded applications in industrial settings where temperature fluctuations are common. Overall, the Intel 537EX is engineered to deliver high-performance processing power, superior connectivity, and enhanced security, solidifying its position as a reliable choice for demanding embedded applications.
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