參數(shù)資料
型號: SI3212-KT
廠商: Electronic Theatre Controls, Inc.
元件分類: Codec
英文描述: PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
中文描述: ProSLIC產(chǎn)品可編程的CMOS用戶接口/有振鈴編解碼器/電池電壓生成
文件頁數(shù): 112/122頁
文件大小: 1950K
代理商: SI3212-KT
Si3210/Si3211/Si3212
112
Preliminary Rev. 1.11
SLIC Control
See descriptions of linefeed interface and power monitoring for guidelines on computing register values. All values
are represented in twos-complement format.
Note:
The values of all indirect registers are undefined following the reset state. Shaded areas denote bits that can be read
and written but should be written to zeroes.
Table 41. SLIC Control Indirect Registers Summary
Addr. D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
28
LCRT[5:0]
29
RPTP[5:0]
30
CML[5:0]
31
CMH[5:0]
32
PPT12[7:0]
33
PPT34[7:0]
34
PPT56[7:0]
35
NCLR[12:0]
36
NRTP[12:0]
37
NQ12[12:0]
38
NQ34[12:0]
39
NQ56[12:0]
40
VCMR[3:0]
41
VMIND[3:0]*
42
43
LCRTL[5:0]
*Note:
Si3210 only.
Table 42. SLIC Control Indirect Registers Description
Addr.
Description
Reference Page
28
Loop Closure Threshold.
Loop closure detection threshold. This register defines the upper bounds threshold if hys-
teresis is enabled (direct Register 108, bit 0). The range is 0–80 mA in 1.27 mA steps.
26
29
Ring Trip Threshold.
Ring trip detection threshold during ringing.
36
30
Common Mode Minimum Threshold for Speed-Up.
This register defines the negative common mode voltage threshold. Exceeding this
threshold enables a wider bandwidth of dc linefeed control for faster settling times. The
range is 0–23.625 V in 0.375 V steps.
31
Common Mode Maximum Threshold for Speed-Up.
This register defines the positive common mode voltage threshold. Exceeding this
threshold enables a wider bandwidth of dc linefeed control for faster settling times. The
range is 0–23.625 V in 0.375 V steps.
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