Z0221524ASGR50A5 Zilog, Z0221524ASGR50A5 Datasheet - Page 42

• 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

Result Codes
PS001907-0904
Number Word
0
1
2
3
4
5
6
7
8
10
16
17
18
19
20
21
OK
CONNECT
RING
NO CARRIER
ERROR
CONNECT 1200
NO DIALTONE
BUSY
NO ANSWER
CONNECT 2400
CONNECT
1200TX/75RX
CONNECT 75TX/
1200RX
CONNECT
1200TX/150RX
CONNECT 150TX/
1200RX
BLACKLISTED
DELAYED
A result code is a line of text or a number that the modem sends to the terminal to
indicate the result of a command execution. Some connect result codes indicate
the telephone line data rate. The following table provides a list of the available
result codes.
Table 6. Result Codes
Single Chip Modem with Integrated Controller, Data Pump, and AFE
Result Code Description
No dial tone is detected when the modem takes the telephone line off-
A too short period of silence is detected in response to the @ dial modifier.
A command line is executed successfully without errors.
The modem is in the ON-LINE state, ready to transfer data.
The modem has detected a ring signal on the telephone line. The country
configuration may disable the modem’s ability to detect a telephone line
ring signal.
Either no carrier signal is detected when answering/placing a telephone
call or the carrier is lost during a call. The modem also returns this result
code when the telephone line connection is broken for any reason.
An invalid command is issued, or there an error exists in the command
line.
The modem is in the ON-LINE state, ready to transfer data. The telephone
line data rate is 1200 bps.
hook.
The modem detects a busy signal on the telephone line.
The modem is in the ON-LINE state, ready to transfer data. The telephone
line data rate is 2400 bps.
The modem is in the ON-LINE state, ready to transfer data. This modem
transmits at 1200 bps and receives at 75 bps.
The modem is in the ON-LINE state, ready to transfer data. This modem
transmits at 75 bps and receives at 1200 bps.
The modem is in the ON-LINE state, ready to transfer data. This modem
transmits at 1200 bps and receives at 150 bps.
The modem is in the ON-LINE state, ready to transfer data. This modem
transmits at 150 bps and receives at 1200 bps.
The modem does not allow any number to be dialed until the modem is
reset.
The modem does not allow any number to be dialed now, until a specified
time period elapses.
Result Codes
Z02215
36