CPC5710NTR Clare, CPC5710NTR Datasheet - Page 15

• Manufacturer Part Number: CPC5710NTR
• Description: IC PHONE LINE MONITOR 8-SOIC
• Manufacturer: Clare
• Series: LITELINK®r

Specifications of CPC5710NTR

• Function: Phone Line Monitor (PLM)
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 5.5 V
• Current - Supply: 10mA
• Power (watts): 300mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Includes: Full-Wave Ring Detector
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Other names: CLA301TR; CPC5710NTR

Modem S-Registers
Setting the Highest Line Rate
The connect rate can be selected by S-register S37. The following connect rates are supported.
Rev. 2
S37
Value
0
4
5
6
S21
S22
S23
S24
S25
S26
S27
S28
S29
S37
Register
Range
Reserved
Reserved
Reserved
Reserved
0 - 255
Reserved
Reserved
0 - 255
0 - 255
0 - 6
Carrier
V.22, Bell 212A
V.22bis
Units
Reserved
Reserved
Reserved
Reserved
seconds or
1/100 sec.
Reserved
Reserved
minutes
1/50th sec
code
Data Rate
The data rate of the last AT command
Reserved
1200 bps. See the B command
2400 bps
Description
Reserved
Reserved
Reserved
Reserved
During synchronous operation with the &Q1 command in effect, S-register S25 is
the number of seconds after a telephone line connection is made before the modem
examines DTR. This allows sufficient time to disconnect the modem from an asyn-
chronous terminal and attach it to a synchronous terminal. In the On-Line or
Command state during any mode of operation, changes in DTR for less than S25
hundredths of a second are ignored.
Reserved
Reserved
Terminal inactivity timeout. Hangs up the modem after S28 minutes if no characters
are received from the modem’s terminal. Default = 0
Hook Flash On-Hook time. The amount of time in 20 millisecond units the modem
will leave the telephone on-hook while performing a hook-flash according to the “!”
dial string modifier. Default = 25 fiftieths of a second.
Set Highest Line Rate - determines the highest telephone line data rate the modem
will use when connecting with a remote modem. See “Setting the Highest Line
Rate” section below. Default = 0.
www.clare.com
CPC2400E
15