Intel confidential – Intel 537EX User Manual

Page 15

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536EX Chipset Developer’s Manual

15

Intel Confidential

AT Command Summary Tables

L3

High speaker volume

*

Mn

Speaker control

1

0–3

yes

M0

Speaker always off

M1

Speaker on until carrier present

M2

Speaker always on

M3

Speaker off during dialing; speaker on until
carrier present

On

Go online

0

0, 1, 3

no

O0

Returns modem to Data mode

O1

Retrains equalizer and then returns to Data
mode

O3

Renegotiates rate and then returns to Data
mode

*

P

Select pulse dialing

none

yes

*

Qn

Result code display control

0

0, 1

yes

Q0

Enables result codes

Q1

Disables result codes

Sn

Select an S-register

none

0–33

no

Sn=x

Write to an S-register

none

n = 0–33
x = 0–255

no

Sn?

Read from an S-register

none

0–33

no

*

T

Select tone dialing

none

no

*

Vn

Result code form

1

0, 1

yes

V0

Choose numeric form

V1

Choose verbose (text) form

*

Wn

Response code data rate

0

0–4

yes

W0, W1

DTE data rate

W2

Modulation, DCE TX rate

W3

Modulation, DCE TX rate, Error Correction,
Compression and DTE data rate

W4

Modulation, DCE TX rate, Error Correction,
Compression

Table 5. Data Mode Command Summary (Continued)

Note

Command

Function

Default

Range

Reported

by &Vn

*

Value saved in NVRAM.

**

Command not preceded by an ‘AT.’

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