参数资料
型号: SI3016-F-FS
厂商: Silicon Laboratories Inc
文件页数: 22/50页
文件大小: 0K
描述: IC LINE-SIDE DAA 16SOIC
标准包装: 48
数据格式: V.90
电源电压: 3.3V,5V
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 管件
Si3016
Rev. 1.0
29
Reset settings = 0000_0000
Register 5. DAA Control 1
Bit
D7D6D5D4D3D2D1D0
Name
RDTN
RDTP
ONHM
RDT
OH
Type
RR
R/W
R
R/W
Bit
Name
Function
7
Reserved
Read returns zero.
6
RDTN
Ring Detect Signal Negative.
0 = No negative ring signal is occurring.
1 = A negative ring signal is occurring.
5RDTP
Ring Detect Signal Positive.
0 = No positive ring signal is occurring.
1 = A positive ring signal is occurring.
4
Reserved
Read returns zero.
3ONHM
On-Hook Line Monitor.
0 = Normal on-hook mode.
1 = Enables low-power monitoring mode allowing the DSP to receive line activity without
going off-hook. This mode is used for caller-ID detection.
When MODE bit = 1 (Register 18, bit 2), the device consumes ~7 A from the phone line
when in on-hook line monitor mode. When MODE = 0, the device consumes ~450 A from
the phone line when in on-hook line monitor mode.
Note: This bit should be cleared before setting the OH bit.
2
RDT
Ring Detect.
0 = Reset either 4.5–9 seconds after last positive ring is detected or when the system exe-
cutes an off-hook.
1 = Indicates a ring is occurring.
1
Reserved
Read returns zero.
0OH
Off-Hook.
0 = Line-side device on-hook.
1 = Causes the line-side chip to go off-hook. This bit operates independently of the OHE bit
and is a logic OR with the off-hook pin when enabled. When the MODE bit (Register 12, bit 2)
is set to 1, the device will go on-hook without enabling the off-hook counter, thus allowing the
device to go immediately (i.e., no timeout required on the counter) back off-hook when the
MODE bit is cleared. This is useful in supporting Type II caller ID.
Note: The ONHM bit should be cleared before setting this bit.
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