參數(shù)資料
型號(hào): AK2307
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: SPEECH CODEC for Digital Key telephone (5.0V/3.3V)
中文描述: 語音編解碼器的數(shù)字按鍵電話(5.0V/3.3V)
文件頁數(shù): 14/39頁
文件大?。?/td> 468K
代理商: AK2307
ASAHI KASEI [AK2307/LV]
3. Path and Gain Controls
Voice path, gain control of both RX and TX side, and the tone control are controlled from the CPU registers.
3-1. Path control switches;
AK2307/LV has 10 analog switches to control the RX and TX analog path. These switches are controlled
from
following 2 registers, Path control 1/2.
Path Control 1
Register Type : Read Write[Address:0000 D7-D0:(SW8-SW1)]
ADD
D7
D6
D5
D4
D3
0
SW8
SW7
SW6
SW5
SW4
Default
0
0
0
0
0
Path Control 2
Register Type : Read Write[Address:0001 D6-D5,D1-D0:(RX_Pad, Side_Tone,SW10-SW9)]
ADD
D7
D6
D5
D4
D3
1
RX
_Apad
_Pad
Tone
Default
0
1
0
0
0
Table3-a Switch function
SW Name
Function
SW10
External voice input enable for Speaker
SW9
RX Tone output enable for Speaker
SW8
RX Voice path enable for Speaker
SW7
RX Tone output enable for Headset
SW6
RX Voice path enable for Headset
SW5
RX Tone output enable for Handset
SW4
RX Voice path enable for Handset
SW3
TX Tone output enable
SW2
TX MIC path enable
SW1
TX Handset path enable
MS0190-E-05
2005/12
14
D2
SW3
0
D1
SW2
0
D0
SW1
0
D2
u-law
A-law
0
D1
SW10
D0
SW9
RX
Side
PCM_1
PCM_0
0
0
Polarity
1: External input path 0: Internal Voice path
1: Tone output ON 0: Tone output OFF
1: Voice path ON 0: Voice path OFF
1: Tone output ON 0: Tone output OFF
1: Voice path ON 0: Voice path OFF
1: Tone output ON 0: Tone output OFF
1: Voice path ON 0: Voice path OFF
1: Tone output ON 0: Tone output OFF
1: MIC input ON 0: MIC input OFF
1: Handset path ON 0: Handset path OFF
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