World modem II Page 50 of 60 2004, Copeland Communications, Inc. World modem II Datasheet Rev 1.1 U71 IO1 Bit D15 D14 D13 D12 D11 D10 " />
參數(shù)資料
型號(hào)： CC-33K2-IS5
廠商： Copeland Communications Inc
文件頁數(shù)： 46/60頁
文件大?。?/td> 0K
描述： MODEM 33KBAUD SERIAL 5V
標(biāo)準(zhǔn)包裝： 30
數(shù)據(jù)格式： V.22，V23，V.32，V.34，Bell 103，Bell 212A
波特率： 33k
電源電壓： 4.2 V ~ 7 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
Data Sheet
World modem II
Page 50 of 60
2004, Copeland Communications, Inc.
World modem II Datasheet Rev 1.1
U71 IO1
Bit
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Name
COMP
PRT
Type
R/W
Reset settings = 0x0000
Bit
Name
Function
15:5
Reserved
Read returns zero.
0 = Disables compression (PCM mode).
4
COMP
1 = Enables linear compression.
3:1
Reserved
Read returns zero.
0 = Disables PCM mode.
0
PRT
1 = Enables PCM mode.
U76 GEN1
Bit
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Name
OHSR[6:0]
FACL
DCL[2:0]
ACL[4:0]
Type
R/W
Reset settings = 0x0000
Bit
Name
Function
Off-Hook Sample Rate (40 ms units).
15:5
OHSR[6:0]
Sets the sample rate for the off-hook intrusion algorithms (1 second default).
Force ACL.
0 = While off-hook, ACL is automatically updated with LVCS.
8
FACL
1 = While off-hook, ACL does not change from the value written to it while on-hook.
Differential Current Level (3 mA units).
7:5
DCL[2:0]
Sets the differential level between ACL and LVCS that will trigger an off-hook PPD interrupt
(default = 2).
Absolute Current Level (3 mA units).
ACL represents the value of LVCS current when the modem is off-hook and all parallel phone are
on-hook. If ACL = 0, it is ignored by the off-hook intrusion algorithm.
4:0
ACL[4:0]
The modem will also write ACL with the contents of LVCS before and intrusion and before going
on-hook (default = 0)
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