參數(shù)資料
型號(hào): MSM7524
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: DTMF Transceiver(雙音多頻收發(fā)器)
中文描述: 雙音多頻收發(fā)器(雙音多頻收發(fā)器)
文件頁(yè)數(shù): 16/21頁(yè)
文件大小: 140K
代理商: MSM7524
Semiconductor
MSM7524
16/21
Table-3-2
Bit
Name
Function
Control data register select.
"0" :
"1" :
Register B is selected on the next Write cycle to the Control Register address.
Subsequent Write cycles to the Control Register are directed back to Control
Register A.
Not used. Set to digital "0" or "1".
Call Progress Tone (CP)/Special tone (FX) detect control.
"0" : Disable CP and FX. Both CP and FX are held on digital "0".
"1" : Enable CP and FX.
DTMF Tone Transmit Make/Break control.
"0" : Disable. PBTO outputs only DC potential at SG.
"1" : Enable. DTMF tone is generated via PBTO.
Register A is selected.
D4
RSEL
D3
D2
CPEN
D1
MFC
Table-3-1
D4
RSEL
D3
D2
CPEN
D1
MFC
Control Data Register A
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