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參數(shù)資料
型號: W62410
廠商: WINBOND ELECTRONICS CORP
元件分類: 數(shù)字信號處理
英文描述: A Digital Speech Signal Processor(數(shù)字語音信號處理器)
中文描述: 8-BIT, 24.576 MHz, OTHER DSP, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, PLASTIC, QFP-100
文件頁數(shù): 54/147頁
文件大小: 1932K
代理商: W62410
NO.:
W62410 API
VERSION:
A
PAGE
54
3.1 The GenerateDTMFTone command.
Description:
This allows the host to generate a DTMF tone (including the extended tones) to be made by the
CHIPSET corresponding to the code given by the host. In addition, the gain can also be set (16
levels).
During the generation of a DTMF tone, the host can continue monitoring the telephone line
using the
MonitorLine
command to check the line status.
The
Idle
command stops the generation of a DTMF tone immediately. It’s however not
necessary to go first into idle mode to generate a different DTMF tone. The
GenerateDTMFTone
command can be issued anytime, generating the same or a different tone.
In addition, this command only has to be sent once after which the chipset emits the DTMF tone
until it receives the
Idle
command.
Command
High Byte
GenerateDTMFTone
0
0
1
1
Remark:
DTMF-code
= 4 bits specifying the DTMF code.
VolLevel
= 4 bits specifying the volume level of the DTMF tone in 1.5 dB steps
Returned value
High Byte
Status
0
0
1
1
DTMF code table:
Code
Tone
0x0
0
0x1
1
0x2
2
0x3
3
0x4
4
0x5
5
0x6
6
0x7
7
0x8
8
0x9
9
0xA
A
0xB
B
0xC
C
0xD
D
0xE
*
0xF
#
General remark:
Using the
GenerateDTMFTone
command will overwrite the tone parameters inside the
CHIPSET with could have been set by the
GenerateTone
command before!
The above information is the exclusive intellectual property of Winbond Electronics and shall not be
disclosed, or reproduced without permission from Winbond.
Low byte
DTMF-code
VolLevel
0
0
0
1
Low byte
DTMF-code
VolLevel
0
0
0
1
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