參數(shù)資料
型號: D6571E
廠商: Electronic Theatre Controls, Inc.
英文描述: Chip for an All-Digital Telephone Answering Machine with Flash Memory Interface
中文描述: 芯片的全數(shù)字電話應(yīng)答機(jī)與快閃記憶體介面
文件頁數(shù): 79/117頁
文件大?。?/td> 551K
代理商: D6571E
D6571E Data Sheet
DS6571E.2
DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490
77
SPEAKER VOLUME: Volume to the Speaker Out
= 0000
= 0001
= 0010
= 0011
= 0100
= 0101
= 0110
= 0111
= 1000
= 1001
= 1010
= 1011
= 1100
= 1101
= 1110
= 1111
LOOP ATTENUATION: Combined gain of receiver and transmitter attenuaters
= 000
0 dB
= 001
-4 dB
= 010
-8 dB
= 011
-12 dB
= 100
-16 dB
= 101
-20 dB
= 110
-24 dB
= 111
-28 dB
Status:
1110
001
LINE VOLUME
+14 dB
+12 dB
+10 dB
+8 dB
+6 dB
+4 dB
+2 dB
0 dB
-2 dB
-4 dB
-6 dB
-8 dB
-10 dB
-12 dB
-14 dB
MUTE
Full-Duplex Operation
Natural Half-Duplex Operation
SPEAKER VOLUME
LOOP
ATTENUATION
(15-12)
MODE = 010: (Set SpeakerPhone Configuration
)
Command:
1110
010
0
(11-9)
(8-7)
(6-3)
(2-0)
Twist
DT
Line
Training Type
(3-2)
Automatic
Loop Adjustment
(15-12)
Twist:
(11-9)
(8) (7-6) (5-4)
(1-0)
= 00:
= 01:
= 10:
= 11:
-2 dB
(default value)
-4 dB
-6 dB
0 dB
Defines the twist of the DTMF tone generated in the SpeakerPhone mode. Twist defines the attenuation of the lower
frequency of the dual frequency signal.
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