參數(shù)資料
型號(hào): SI2401FS08-EVB
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 64/76頁(yè)
文件大小: 0K
描述: BOARD EVAL SI2401 + SI3008
標(biāo)準(zhǔn)包裝: 1
系列: ISOmodem®
主要目的: 電信,數(shù)據(jù)采集裝置(DAA)
已用 IC / 零件: SI2401
已供物品: 板,CD
Si2401
Rev. 1.0
67
Reset settings vary with line-side vision
Reset settings = 0010_0000 (0x20)
SF8 (DAA8). DAA Low Level Functions 8
Bit
D7
D6D5D4D3D2D1D0
Name
LRV[3:0]
DCR
Type
R
R/W
Bit
Name
Function
7:4
LRV[3:0]
Line-Side Device Revision Number.
0011 = Si3010 Rev C
0100 = Si3010 Rev D
0101 = Si3010 Rev E
0110 = Si3010 Rev F
3:2
Reserved
Read returns an indeterministic value.
1DCR
DC Impedance Selection.
0 = 50
Ω dc termination is selected. This mode should be used for all standard
applications.
1 = 800
Ω dc termination is selected.
0
Reserved
Do not modify.
SF9 (DAA9). DAA Low Level Functions 9 Read Only
Bit
D7
D6
D5
D4
D3D2D1
D0
Name
BTD
OVL
ROV
Type
R/W
R
R/W
Bit
Name
Function
7:4
Reserved
Do not modify.
3BTD
Billing Tone Detect (sticky).
0 = No billing tone detected.
1 = Billing tone detected.
2
OVL
Receive overload.
Same as ROV, except not sticky.
1ROV
Receive Overload (sticky).
0 = No excessive level detected.
1 = Excessive input level detected.
0
Reserved
Do not modify.
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