參數(shù)資料
型號: UPD9930G-22
廠商: NEC Corp.
元件分類: Codec
英文描述: LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONE
中文描述: 線性編解碼器數(shù)字蜂窩電話
文件頁數(shù): 35/78頁
文件大?。?/td> 336K
代理商: UPD9930G-22
μ
PD9930
35
Register address
DGGSR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
RXDG1
RXDG0
TXDG2
TXDG1
TXDG0
RXDG1 to RXDG0
00 to 11
Receive digital gain specification
0 to –2.4 dB (0.8 dB steps)
TXDG2 to TXDG0
000 to 111
Send digital gain specification
0 to –2.8 dB (0.4 dB steps)
4.1.3 Voice Send/Receive Digital Gain Control Register (DGGSR)
This is a 5-bit register for adjusting the gain of the digital signal processor. The gain of the send system and
receive system can be fine-adjusted independently.
Figure 4-4 Send/Receive Digital Gain Control Register
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