參數(shù)資料
型號(hào): Si3232
廠商: Electronic Theatre Controls, Inc.
英文描述: DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING
中文描述: 兩個(gè)可編程的CMOS用戶接口與在線監(jiān)測
文件頁數(shù): 43/128頁
文件大?。?/td> 2327K
代理商: SI3232
Si3232
Preliminary Rev. 0.96
43
Table 24. Recommended Ring Trip Detection Values
1
Ringing
Frequency
DC Offset
Added
RTPER
RTACTH
RTDCTH
RTACDB/
RTDCDB
16–32 Hz
Yes
800/f
RING
221 x RTPER
0.577(RTPER x V
OFF
)
See
Note 2
No
800/f
RING
1.59 x V
RING,PK
x RTPER
32767
33–60 Hz
Yes
2(800/f
RING
)
221 x RTPER
0.577(RTPER x V
OFF
)
No
2(800/f
RING
)
1.59 x V
RING,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]
See Table 24
DC Ring Trip Threshold
RTDCTH
RTDCTH[15:0]
See Table 24
Ring Trip Sample Period
RTPER
RTPER[15:0]
See Table 24
Linefeed Shadow (monitor only)
LINEFEED
LFS[2:0]
N/A
N/A
Ring Trip Detect Status (monitor only)
LCRRPT
RTP
N/A
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
See Table 14
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