IDT82V1671J IDT, Integrated Device Technology Inc, IDT82V1671J Datasheet - Page 80

• Manufacturer Part Number: IDT82V1671J
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82V1671J

• 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: Not Compliant

RSLIC & CODEC CHIPSET
LREG18: Interrupt Mask Register, Read/Write (11H/91H)
LREG19: IO Interrupt Mask Register, Read/Write (12H/92H)
GK_M
HK_M
OTMP_M
RAMP_M
GKP_M
REV_POL
SYNC_EN
IO_M[3:0]
Command
Command
I/O data
I/O data
Mask bit for the ground-key status bits GK[3:0] in GREG26
GK_M = 0:
GK_M = 1:
Mask bit for the off-hook status bits HK[3:0] in GREG26
HK_M = 0:
HK_M = 1:
Mask bit for the over temperature status bit OTMP in LREG21
OTMP_M = 0:
OTMP_M = 1:
Mask bit for the RAMP_OK bit in LREG21
RAMP_M = 0:
RAMP_M = 1:
Mask bit for the GK_POL bit in LREG21
GKP_M = 0:
GKP_M = 1:
Reverse the polarity of DC feeding
REV_POL = 0:
REV_POL = 1:
Enable synchronous ringing for external ringing mode.
SYNC_EN = 0:
SYNC_EN = 1:
Mask bits for the IO status bits IO[3:0] in register LREG19 when the IO pins are configured as inputs.
IO_M[3] = 0:
IO_M[3] = 1:
IO_M[2] = 0:
IO_M[2] = 1:
IO_M[1] = 0:
IO_M[1] = 1:
IO_M[0] = 0:
IO_M[0] = 1:
R/W
R/W
b7
b7
Reserved
Reserved
b6
b6
0
0
Each change of the GK[3:0] bits generates an interrupt;
Changes of the GK[3:0] bits do not generate interrupts (default).
Each change of the HK[3:0] bits generates an interrupt;
Changes of the HK[3:0] bits do not generate interrupts (default).
Changes of the OTMP bit from 0 to 1 generate interrupts;
Changes of the OTMP bit from 0 to 1 do not generate interrupts (default).
Changes of the RAMP_OK bit from 0 to 1 generate interrupts;
Changes of the RAMP_OK bit from 0 to 1 do not generate interrupt (default).
Each change of the GK_POL bit generates an interrupt;
Changes of the GK_POL bit do not generate interrupts (default).
Normal polarity (default);
Reverse polarity.
Asynchronous external ringing is selected (default);
External ringing with zero-crossing is selected;
Each change of the IO[3] bit generates an interrupt;
Changes of the IO[3] bit do not generate interrupts (default).
Each change of the IO[2] bit generates an interrupt;
Changes of the IO[2] bit do not generate interrupts (default).
Each change of the IO[1] bit generates an interrupt;
Changes of the IO[1] bit do not generate interrupts (default).
Each change of the IO[0] bit generates an interrupt;
Changes of the IO[0] bit do not generate interrupts (default).
REV_POL
b5
b5
0
0
SYNC_EN
GK_M
80
b4
b4
1
1
IO_M[3]
HK_M
b3
b3
0
0
OTMP_M
IO_M[2]
b2
b2
0
0
IDT82V1671/IDT82V1671A, IDT82V1074
RAMP_M
IO_M[1]
b1
b1
0
1
GKP_M
IO_M[0]
b0
b0
1
0