SI3232 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3232

DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING

Silicon Laboratories 

Si3232

RTPER: Ring Trip Low-pass Filter Coefficient (RAM Address 63)

Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Name

RTPER[15:0]

Type

R/W

Reset settings = 0x00

Bit

Name

Function

15:0 RTPER[15:0] Ring Trip Low-pass Filter Coefficient.

Programs the low-pass filter coefficient used in the ring trip detection circuit. See

“4.8. Ring Trip Detection” for recommended values.

SPEEDUP: DC Settling Speedup Timer (RAM Address 168)

Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Name

SPEEDUP[15:0]

Type

R/W

Reset settings = 0x00

Bit

Name

Function

15:0 SPEEDUP[15:0] DC Settling Speedup Timer.

Programs the dc speedup timer that allows quicker settling during loop transitions.

This timer is invoked by the common-mode threshold detectors, CMHITH and

CMLOTH. 1.25 ms/LSB, exception: 0x0000 = 60 ms (default).

SPEEDUPR: Ringing Speedup Timer (RAM Address 169)

Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Name

SPEEDUPR[15:0]

Type

R/W

Reset settings = 0x00

Bit

Name

Function

15:0 SPEEDUPR[15:0] Ringing Speedup Timer.

Programs the dc speedup timer that allows quicker settling following ringing bursts.

This timer is invoked by any mode change from the ringing state. 40.96 s range,

1.25 ms/LSB, exception: 0x0000 = 60 ms (default).

112

Preliminary Rev. 0.96

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