ml7084-001 Oki Semiconductor, ml7084-001 Datasheet - Page 186
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ml7084-001
Manufacturer Part Number
ml7084-001
Description
4ch Voip Codec
Manufacturer
Oki Semiconductor
Datasheet
1.ML7084-001.pdf
(225 pages)
- Current page: 186 of 225
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(Note)
The level set in the data memory (DTMF0_TH) described above is used as the common detection level in the DTMF
detection block and the noise detection block.
E. Internal data memory for DTMF0 detection ON guard timer (DTMF0_ON_TM)
F. Internal data memory for DTMF0 detection OFF guard timer (DTMF0_OFF_TM)
G. Internal data memory for DTMF0 noise detection funciton control (DTMF0_NDET_CONT)
OKI Semiconductor
Initial value : 00A0h (20 ms)
Use the following equation when changing the timer value.
Equation: Guard timer value in ms/0.125 ms
Example: 5 ms
5/0.125 = 40d = 0028h
Initial value : 00A0h (20 ms)
Use the following equation when changing the timer value.
Equation: Guard timer value in ms/0.125 ms
Example: 5 ms
5/0.125 = 40d = 0028h
Initial value : 0002h (Noise detection funciton enabled)
By writing 0000h to this internal data memory, the noise detection function of the DTMF detector 1 will be
disabled.
Upper limit : 4095.875 ms
Lower limit : 0.125 ms
Upper limit : 4095.875 ms
Lower limit : 0.125 ms
: 5 ms
: 5 ms
(data: 7FFFh)
(data: 0028h)
(data: 0001h)
(data: 7FFFh)
(data: 0028h)
(data: 0001h)
FEDL7224-001FULL-01
ML7224-001TC
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