Z0221524ASGR50A5 Zilog, Z0221524ASGR50A5 Datasheet - Page 21

• Manufacturer Part Number: Z0221524ASGR50A5
• Description: IC MODEM CONTROLLER 44-LQFP
• Manufacturer: Zilog

Specifications of Z0221524ASGR50A5

• Data Format: V.21, V.22, V.23, Bell 103, Bell 212A
• Baud Rates: 2.4k
• Interface: Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PS001907-0904
Command Line Execution
AT Command Prefix
A/ Repeat Last Command
<CR> End-of-Line Character
The characters in a command line are executed one at a time. Any unexpected
characters (except control characters) stop command line execution and return an
ERROR
values accepted by the command. All control characters in a command line
except
The numerical argument of a command is assumed to be
For example, the commands
line.
When the modem has executed a command line, the result code of the most
recent command executed is returned to the terminal.
If the value written to a modem S-register is outside the range of values accepted
by the S-register, then its value is set to the nearest allowed value.
Leading
example, both set S-register S1 to 2
ATS1=2
ATS01=2
All numeric arguments, including S-register numbers, are decimal (base 10).
Each modem command line begins with the letters
these characters to determine the data rate and parity from the terminal.
To repeat the commands in the most recent command line, type the letters
instead of
This character is typed to end a command line. The value of the <
stored in S-register S3. The default value is
ter).
When the <
command line.
result code. Unexpected characters include numbers outside the range of
Ctrl-X
0
Single Chip Modem with Integrated Controller, Data Pump, and AFE
s in numeric arguments, including S-register numbers, are ignored. For
A
CR
and
> character is entered, the modem executes the commands in the
(and the special characters such as <
T
.
ATH
<
CR
:
> and
ATH0
13
(the ASCII carriage return charac-
<
CR
A
> both hang up the telephone
CR
and
> and <
T
0
. The modem uses
if it is not provided.
BS
CR
>) are ignored.
AT Command Set
> character is
Z02215
A
and /
15