参数资料
型号: CC-33K2-IP
厂商: Copeland Communications Inc
文件页数: 46/60页
文件大小: 0K
描述: MODEM 33KBAUD PARALLEL 3.3V
标准包装: 30
数据格式: V.22,V23,V.32,V.34,Bell 103,Bell 212A
波特率: 33k
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 模块
包装: 散装
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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