82V1074PF IDT, Integrated Device Technology Inc, 82V1074PF Datasheet - Page 32
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82V1074PF
Manufacturer Part Number
82V1074PF
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V1074PF.pdf
(107 pages)
Specifications of 82V1074PF
Number Of Channels
4
On-hook Transmission
Yes
Polarity Reversal
Yes
On-chip Ring Relay Driver
Yes
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
-40C to 85C
Package Type
TQFP
Operating Temperature Classification
Industrial
Pin Count
100
Mounting
Surface Mount
Operating Current
95mA
Operating Supply Voltage (max)
3.465V
Operating Supply Voltage (min)
3.135V
Lead Free Status / RoHS Status
Not Compliant
- Current page: 32 of 107
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FSK generator. Refer to
programming flow chart for FSK generation.
Table - 9 Registers and FSK-RAM Used for the FSK Generator
RSLIC & CODEC CHIPSET
FSK Modulation Standard
Table - 9
FSK Channel Selection
FSK Generator Enable
Mark After Send
FSK Data RAM
Seizure Length
Transmit Start
Mark Length
Data Length
Flag Length
Parameter
Selection
shows the configuration and control registers used for the
Figure - 16 on page 33
Bits FSK_CS[1:0] in GREG23
Bits FSK_ML[7:0] (GREG22)
Bits FSK_DL[7:0] (GREG20)
Bits FSK_SL[7:0] (GREG21)
Bits FSK_FL[7:0] (GREG19)
Bit FSK_MAS in GREG23
Register Bits/FSK-RAM
Bit FSK_EN in GREG23
Bit FSK_TS in GREG23
Bit FSK_BS in GREG23
FSK-RAM
for a recommended
The length of the Flag Signal is programmable from 0 to 255 (bits).
Data Length is the number of the Caller ID data bytes written in the FSK-RAM. The valid data
length is 0 to 64 (bytes).
Seizure Length is the number of ‘01’ pairs that represent the seizure signal. The length of the
Seizure Signal is two times of the value specified in GREG21. That means, Seizure Length can
be up to 510 pairs.
The length of the Mark Signal is programmable from 0 to 255 (bits).
FSK_TS = 1: FSK transmit start. The FSK_TS bit will be cleared to 0 automatically after the
data in the FSK-RAM is completely sent out.
After the data in the FSK-RAM is sent out, if FSK_MAS = 1, the FSK generator sends out a
mark-after-send signal (a string of ‘1’), otherwise, the output of the FSK generator is muted.
FSK_BS = 0: BELL 202 is selected;
FSK_BS = 1: ITU-T V.23 is selected.
FSK_EN = 0: FSK generator is disabled;
FSK_EN = 1: FSK generator is enabled.
Select one of the four channels to send the Caller ID data.
Total 64 bytes
32
IDT82V1671/IDT82V1671A, IDT82V1074
Notes
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