ml7084-001 Oki Semiconductor, ml7084-001 Datasheet - Page 159

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ml7084-001

Manufacturer Part Number
ml7084-001
Description
4ch Voip Codec
Manufacturer
Oki Semiconductor
Datasheet
F. Internal data memory for TGEN0 fade-in step value control (TGEN0_FADE_IN_ST)
G. Internal data memory for TGEN0 fade-out step value control (TGEN0_FADE_OUT_ST)
H. Internal data memory for TGEN0 fade-out time control (TGEN0_FADE_OUT_TIM)
I. Internal data memory for TGEN0 total gain fade control (TGEN0_GAIN_TOTAL_FADE_CONT)
OKI Semiconductor
Initial value: 47CFh (+1.0 dB)
When changing the step amount X, compute it using the following equation:
Equation: 10^ (X/20)*16384
Example: Making the step value +3 dB:
Initial value: 390Ah (−1.0 dB)
When changing the step amount X, compute it using the following equation:
Equation: 10^ (X/20)*16384
Example: Making the step value −3 dB:
Initial value : 002Bh (43Sync)
When changing the fade-out time, compute it using the following equation:
Equation: 43 dB/“fade-out step value”dB
Example: When the step value is 2 dB:
Notes:
Setting 0000h is prohibited.
Be sure to observe the following:
(Remarks) The step values can be set individually, but parameters set will become common to TONE_A and
TONE_B. Also, the operation control and stop time parameters will become common to TONE_A and
TONE_B.
Initial value : 0000h (stop)
Setting “0001h” in this data memory operates the fade-in/fade-out function of TX side/RX side total gain
control.
10^ (–3/20)*16384 = 11599d = 2D4Fh
Maximum step value: −6.0 dB
Minimum step value: −0.1 dB
43/2 = 22d =16h
Upper limit : 430 Sync
Lower limit : 8 Sync
Fade-out time < TIM_M0, TIM_M1
10^ (3/20)*16384 = 23143d = 5A67h
Maximum step value: +6.0 dB (data: 7FB2h)
Minimum step value: +0.1 dB (data: 40BEh)
0000h : Stops fade-in/fade-out
0001h : Operates fade-in/fade-out
(data: 2013h)
(data: 3F44h)
(data: 01AEh)
(data: 0008h)
FEDL7224-001FULL-01
ML7224-001TC
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