SI3232 SILABS [Silicon Laboratories], SI3232 Datasheet - Page 100

• Manufacturer Part Number: SI3232
• Description: DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING
• Manufacturer: SILABS [Silicon Laboratories]

Si3232
LCRMASK: Loop Closure Mask Interval Coefficient (RAM Address 26)
Reset settings = 0x00
LCRMSKPR: LCR Mask During Polarity Reversal (RAM Address 166)
Reset settings = 0x00
LCROFFHK: Loop Closure Detection Threshold—On-Hook to Off-Hook Transition (RAM Address 22)
Reset settings = 0x00
100
15:0
15:0
15:0
Name
Name
Name
Type
Type
Type
Bit
Bit
Bit
Bit
Bit
Bit
LCRMSKPR[15:0]
LCROFFHK[15:0]
LCRMASK[15:0]
D15
D15
D15
Name
Name
Name
D14
D14
D14
D13
D13
D13
Loop Closure Mask Interval Coefficient.
Programs the loop closure detection mask interval. Programmable range is 0 to
40.96 s, 1.25 µ s/LSB
LCR Mask During Polarity Reversal.
Programs the loop closure detection mask interval during a polarity reversal.
Programmable range is 0 to 40.96 s, 1.25 µ s/LSB
Loop Closure Detection Threshold—On-Hook to Off-Hook Transition.
Programs the loop current threshold at which a valid loop closure is detected when
transitioning from on-hook to off-hook. Hysteresis is provided by programming the
ONHKTH RAM location to a different value that detects the off-hook to on-hook tran-
sition threshold. 0 to 101.09 mA programmable range, 3.097 µ A/LSB, 396.4 µ A
effective resolution. Usable range is 0 to 61 mA.
D12
D12
D12
D11
D11
D11
D10
D10
D10
Preliminary Rev. 0.96
D9
D9
D9
LCRMSKPR[15:0]
LCROFFHK[15:0]
LCRMASK[15:0]
D8
D8
D8
R/W
R/W
R/W
D7
D7
D7
Function
Function
Function
D6
D6
D6
D5
D5
D5
D4
D4
D4
D3
D3
D3
D2
D2
D2
D1
D1
D1
D0
D0
D0