DM300004-1 Microchip Technology, DM300004-1 Datasheet - Page 83

• Manufacturer Part Number: DM300004-1
• Description: BOARD DEMO DSPICDEM.NET 1
• Manufacturer: Microchip Technology
• Series: dsPIC™r
• Type: Microcontrollerr

Specifications of DM300004-1

• Contents: *
• Mcu Supported Families: DsPIC30F
• Supported Devices: DsPIC30F6014
• For Use With: PIC30F5013
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: FCC/JATE PSTN, Ethernet NIC
• Lead Free Status / RoHS Status: na, Lead free / RoHS Compliant
• Other names: DM300004-1R; DM300004-1R

6.7
 2004 Microchip Technology Inc.
dsPIC30F SOFT MODEM AT COMMAND SET
The AT commands listed in Table have been selected to serve embedded soft modem
applications on the dsPIC30F product family. These commands are a subset of the
overall AT command set. Although the command set includes support for up to V.32bis,
only V.22bis is supported in this demonstration.
TABLE 6-2:
En
Hn
Ln
In
Qn
Vn
A
Dnnn..
T
On
Command
AT COMMAND SET FOR dsPIC30F SOFT MODEM
V.22bis Soft Modem Demonstration
Command Echo
E0 – Inhibits the echoing of commands to the computer
E1 – Echoes commands to the computer
Hang Up And Hook Control
H – Modem hangs up and go on-hook.
H0 – Causes the modem to go on-hook
H1 – Causes the modem to go off-hook
Control Speaker Volume
L0 – Speaker Turn off
L1 – Low
L2 – Medium (Default)
L3 – High
Information and Identification
This command has various options which are used to instruct the modem to
provide specific information about itself
I0 – Displays the modem controller firmware revision
I3 – Same as I0
I4 – Current modem settings
I6 – Link diagnostics
Quiet Mode
Determines whether the modem sends result codes and status codes
(OK, BUSY, RING, etc.) to the terminal.
Q0 – Display result codes, user sees command responses (e.g., OK)
Q1 – Result codes are suppressed, user does not see responses
Result Code Form
Selects whether the modem sends long form (in words) or short form
(numeric) result codes the terminal.
V0 – Numeric result codes
V1 – English result codes (e.g., CONNECT, BUSY etc.)
Answer
Modem goes off hook, transmits answer tone and waits for a carrier
response from the remote modem.
Dial
Dials a telephone number and attempts to connect. The dial command must
be the last command on the line.
To cancel the Dial command, press any key.
To dial 5588257, type ATD5588257
Local Loop Back
Modem Starts Local loop back
Enter Connect State and Retrain
O0 – Leave online command mode and return to online data mode.
O1 – Issues the retrain command
Description
DS51471A-page 79