82V1671JG IDT, Integrated Device Technology Inc, 82V1671JG Datasheet - Page 77
82V1671JG
Manufacturer Part Number
82V1671JG
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V1671JG.pdf
(107 pages)
Specifications of 82V1671JG
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
PLCC
Operating Temperature Classification
Industrial
Pin Count
28
Mounting
Surface Mount
Operating Current
95mA
Operating Supply Voltage (max)
3.465V
Operating Supply Voltage (min)
3.135V
Lead Free Status / RoHS Status
Compliant
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RSLIC & CODEC CHIPSET
LREG9: Level Meter Source and Shift Factor Selection, Read/Write (08H/88H)
LREG10: Level Meter Threshold, Rectifier On/Off, Gain Factor, Read/Write (09H/89H)
DC_SRC
UTD_SRC
UTD_EN
K[3:0]
LM_SEL[3:0]
OTHRE
LM_GF
Command
Command
I/O data
I/O data
OTHRE
DC transmit/receive path selection for level meter
DC_SRC = 0:
DC_SRC = 1:
UTD source selection
UTD_SRC = 0:
UTD_SRC = 1:
Enable the universal tone detection unit
UTD_EN = 0:
UTD_EN = 1:
Shift factor selection for the level meter.
K[3:0] = 0000:
K[3:0] = 0001:
K[3:0] = 0010:
K[3:0] = 0011:
K[3:0] = 0100:
K[3:0] = 0101:
K[3:0] = 0110:
K[3:0] = 0111:
K[3:0] = 1000:
K[3:0] = 1001:
K[3:0] = 1010:
K[3:0] = 1011 to 1111: K
Source selection for DC Level Meter
LM_SEL[3:0] = 0000: DC voltage on VTDC is selected (default);
LM_SEL[3:0] = 0100: DC out voltage on DCN-DCP is selected;
LM_SEL[3:0] = 1001: DC voltage on VL is selected;
LM_SEL[3:0] = 1010: Voltage on IO3 is selected;
LM_SEL[3:0] = 1011: Voltage on IO4 is selected;
LM_SEL[3:0] = 1100: Voltage on RTIN is selected;
LM_SEL[3:0] = 1101: VDD/2 is selected;
LM_SEL[3:0] = 1110: VCM (offset of encoding) is selected;
LM_SEL[3:0] = 1111: Voltage on IO4-IO3 is selected;
Over threshold indication for level meter. This bit is read only.
OTHRE = 0:
OTHRE = 1:
Additional Gain Factor for level meter
LM_GF = 0:
LM_GF = 1:
R/W
R/W
b7
b7
LM_GF
b6
b6
0
0
signal from DC receive path is selected for level metering (default);
signal from DC transmit path is selected for level metering.
signal from receive path is detected by the UTD unit (default);
signal from transmit path is detected by the UTD unit.
the UTD unit is disabled (default);
the UTD unit is enabled.
The level meter result is below the threshold (default);
The level meter result is over the threshold.
No additional gain factor is selected (default);
Additional gain factor of 16 is selected.
K[3:0]
K
K
K
K
K
K
K
K
K
K
K
INT
INT
INT
INT
INT
INT
INT
INT
INT
INT
INT
INT
LM_RECT
= 1 (default);
= 1/2;
= 1/4;
= 1/8;
= 1/16;
= 1/32;
= 1/64;
= 1/128;
= 1/256;
= 1/512;
= 1/1024;
= 1/2048;
b5
b5
0
0
77
b4
b4
0
0
Reserved
b3
b3
1
1
b2
b2
0
0
IDT82V1671/IDT82V1671A, IDT82V1074
LM_SEL[3:0]
LM_TH[2:0]
b1
b1
0
0
b0
b0
0
1
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