參數(shù)資料
型號(hào): 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): 60/117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
58
TEST MODE = 0100 (Codec Hardware Selection)
Command:
1100
0100
SAMP
M/S
CODEC
TYPE
OUTPUT
CODEC
INPUT
CODEC
LAW
0
(15-12) (11-8) (7) (6) (5) (4-3)
SAMP
= 1: 8 KHz sampling rate (Default)
= 0: 7.2 KHz sampling rate
M/S
= 0: Master mode
= 1: Slave mode (Default)
CODEC TYPE
= 0: Fixed mode (TI codec) (Default)
= 1: Variable mode (OKI codec)
INPUT CODEC
= 0: Input data will be read from codec 0. In the SpeakerPhone mode both codec are used (Default).
This setting should be used in the SpeakerPhone mode and while taking signal from the
telephone line.
= 1: Input data will be read from codec 1.
OUTPUT CODEC
= 00: Output data will be written to CODEC0 in all the modes except SpeakerPhone.
In the SpeakerPhone mode both codecs are used. CODEC0 is connected to the telephone line
and CODEC1 to the speaker. (Default). This mode should be used in the SpeakerPhone mode.
= 01: Output data will be written all the time to CODEC1.
= 10: Output data will be written all the time to CODEC0.
= 11: Output data will be written all the time to both CODECs.
LAW
= 0:
μ
-law codec interface (default)
= 1: A-law codec interface
Status:
(2) (1) (0)
1100
0100
SAMP
M / S
CODEC
TYPE
OUTPUT
CODEC
INPUT
CODEC
LAW
0
(15-12)
TEST MODE = 0110 (CODEC Loopback)
Command:
(11-8) (7) (6) (5)
(4-3)
(2) (1) (0)
1100
0110
0 0 0 0 0 0 0 0
(15 - 12)
Status:
(11-8)
(7 - 0)
1100
0110
0 0 0 0 0 0 0 0
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