56K V.92 Data, Fax, and Voice Chipset

Table 7-1. S-Register Command Descriptions (Continued)

Bit-Mapped Options: S14 is a read-only register that indicates AT command set-

 

 

tings.

 

 

 

 

Bit 0

 

Reserved

 

 

Bit 1

0

E0 is selected

 

 

 

1*

E1 is selected

 

 

Bit 2

0*

Q0 is selected

S14

138

 

1

Q1 is selected

Bit 3

0

V0 is selected

 

 

 

 

 

1*

V1 is selected

 

 

Bit 4

 

Reserved

 

 

Bit 5

0*

T (tone) dial is selected

 

 

 

1

P (pulse) dial is selected

 

 

Bit 6

 

Reserved

 

 

Bit 7

0

Answer

 

 

 

1*

Originate

Modem Test Options: S16 indicates the test in progress.

 

 

Bit 0

0*

Local analog loopback disabled

 

 

 

1

Local analog loopback enabled

 

 

 

 

(&T1)

S16

0

Bit 1

 

Reserved

Bit 2–5

 

Reserved

 

 

 

 

 

Bit 6

0*

Analog loopback with self-test disabled

 

 

 

1

Analog loopback with self-test

 

 

 

 

enabled (&T8)

 

 

Bit 7

0*

Reserved

 

 

 

1

Reserved

 

 

Modem Test Timer: S18 specifies the length of time that the modem conducts a

 

 

data mode (except V.90 and V.92 mode) loopback test using the &Tn command. Af-

 

 

ter timing out, the modem returns to command mode. Setting S18 to “0” disables the

S18

0

modem test timer; the loopback test must be terminated by issuing the appropriate

 

escape sequence followed by an AT&T0 or ATH.

Range: 0–255 seconds

Default: 0 seconds

104

Intel Confidential

Programmer’s Guide

Page 104
Image 104
Intel MD566X manual S14 138, S16