Z0221500ZCO Zilog, Z0221500ZCO Datasheet - Page 43
Z0221500ZCO
Manufacturer Part Number
Z0221500ZCO
Description
Z02215 ONE-CHIP MODEM EVAL KIT
Manufacturer
Zilog
Specifications of Z0221500ZCO
Main Purpose
Telecom, Modem
Utilized Ic / Part
Z02215
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Using The AT Command Set
Mnemonic Name
D
Dial
Function and Description
The D command initiates a telephone call using the digits and dial
modifiers in the dial string following the command. Any
commands following the dial string on the command line are
ignored, unless the semicolon dial modifier is the last character in
the dial string. If the modem is already OFF-HOOK when the
Dial
trying to detect a dial tone. Characters other than digits and dial
modifiers in a dial string are ignored; however, they are counted
as characters in the command line buffer.
If line current sensing is enabled and line current is detected
before the modem is taken OFF-HOOK when the modem must
dial, a NO CARRIER result code is displayed, and the modem
enters the IDLE state. If the modem does not have to perform a
dial function (for example, ATD with no dial string), the modem
assumes the call was manually established and attempts to make a
connection. The X1 command may be used to disable the
modem’s requirement to detect dial tone or busy tone before hand-
shaking.
The D command is not valid when the modem is in the ON-LINE
state or if &Q2 or &Q3 is in effect.
See Table 2 “Dial Modifiers” and Table 4, “Result Codes” for
more information.
command is issued, the modem dials immediately without
PRELIMINARY
Evaluation Board User Manual
Z02215 Single-Chip Modem
UM002304-0802
37
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