CC-2401K2 Page 61 of 66 2007, Copeland Communications, Inc. CC-2401K2 Datasheet Rev 1.5 SF8 (DAA8), DAA Low Level Functions 8 Bit D7 D" />
參數(shù)資料
型號(hào): CC-2401K2A-CS
廠商: Copeland Communications Inc
文件頁(yè)數(shù): 58/66頁(yè)
文件大?。?/td> 0K
描述: MODEM 2400BAUD SECURE 3.3V
標(biāo)準(zhǔn)包裝: 30
數(shù)據(jù)格式: V.21,V.22,V.23,Bell 103
波特率: 2.4k
電源電壓: 3 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 模塊
包裝: 散裝
配用: 539-1002-ND - KIT EVALUATION WORLD MODEM II
其它名稱: 539-1010
CC-2401K2A-CS-ND
Data Sheet
CC-2401K2
Page 61 of 66
2007, Copeland Communications, Inc.
CC-2401K2 Datasheet Rev 1.5
SF8 (DAA8), DAA Low Level Functions 8
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
LRV[3:0]
DCR
Type
R
R/W
Reset Settings = Vary with line-side version.
Bit
Name
Function
7:4
LRV[3:0]
Line-Side Device Revision Number.
0001 = Rev A
0010 = Rev B
0011 = Rev C
0100 = Rev D
0101 = Rev E
3:2
Reserved
Read returns an non-deterministic value.
1
DCR
DC Impedance Selection.
0 = 50 ? dc termination. This mode should be used for all standard applications.
1 = 800 ? dc termination.
0
Reserved
Do not modify
SF9 (DAA9), DAA Low Level Functions 9 Read Only
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
BTD
OVL
ROV
Type
R/W
R
R/W
Reset Settings = 0010_0000 (0x20)
Bit
Name
Function
7:4
Reserved
Do not modify.
3
BTD
Billing Tone Detect (sticky).
0 = No billing tone detected.
1 = Billing tone detected.
2
OVL
Receive Overload.
Same as ROV, except not sticky.
1
ROV
Receive Overload (sticky).
0 = No excessive level detected.
1 = Excessive input level detected.
0
Reserved
Do not modify.
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