参数资料
型号: SI3232PPTX-EVB
厂商: Silicon Laboratories Inc
文件页数: 67/128页
文件大小: 0K
描述: BOARD EVAL W/DISCRETE INTERFACE
标准包装: 1
系列: ProSLIC®
主要目的: 接口,模拟前端(AFE)
已用 IC / 零件: Si3232
已供物品: 板,CD
Si3232
Preliminary Rev. 0.96
43
Not
Recommended
fo
r N
ew
D
esi
gn
s
Table 24. Recommended Ring Trip Detection Values1
Ringing
Frequency
DC Offset
Added?
RTPER
RTACTH
RTDCTH
RTACDB/
RTDCDB
16–32 Hz
Yes
800/fRING
221 x RTPER
0.577(RTPER x VOFF)
See
Note 2
No
800/fRING
1.59 x VRING,PK x RTPER
32767
33–60 Hz
Yes
2(800/fRING)
221 x RTPER
0.577(RTPER x VOFF)
No
2(800/fRING)1.59 x VRING,PK x RTPER
32767
Notes:
1. All calculated values should be rounded to the nearest integer.
2. Refer to Ring Trip Debounce Interval for RTACDB and RTDCDB equations.
Table 25. Register and RAM Locations for Ring Trip Detection
Parameter
Register/RAM
Mnemonic
Register/
RAM Bits
Programmable
Range
Resolution
Ring Trip Interrupt Pending
IRQVEC2
RTRIPS
Yes/No
N/A
Ring Trip Interrupt Enable
IRQEN2
RTRIPE
Enabled/Disabled
N/A
AC Ring Trip Threshold
RTACTH
RTACTH[15:0]
DC Ring Trip Threshold
RTDCTH
RTDCTH[15:0]
Ring Trip Sample Period
RTPER
RTPER[15:0]
Linefeed Shadow (monitor only)
LINEFEED
LFS[2:0]
N/A
Ring Trip Detect Status (monitor only)
LCRRPT
RTP
N/A
AC Ring Trip Detect Debounce Interval
RTACDB
RTACDB[15:0]
0 to 40.96 s
1.25 ms
DC Ring Trip Detect Debounce Interval
RTDCDB
RTDCDB[15:0]
0 to 40.96 s
1.25 ms
Loop Current Sense (monitor only)
ILOOP
ILOOP[15:0]
0 to 101.09 mA
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