參數(shù)資料
型號(hào)： HT95C20P
廠商： Holtek Semiconductor Inc.
英文描述： 8-Bit CID Type Phone Controller MCU
中文描述： 8位偵緝型電話MCU控制器
文件頁(yè)數(shù)： 28/50頁(yè)
文件大?。?/td> 324K
代理商： HT95C20P
HT95C200/20P/300/30P
Rev. 0.10
28
October 1, 2002
Preliminary
Phone controller also supports the dialer I/O flag to monitor the dialer status.
Register
Label
Bits
R/W
Function
DIALERIO
(16H)
HFI
0
RO
1: The HFI pin level is 1.
0: The HFI pin level is 0.
HFO
1
RO
1: The HFO pin level is 1.
0: The HFO pin level is 0.
HDI
2
RO
1: The HDI pin level is 1.
0: The HDI pin level is 0.
HDO
3
RO
1: The HDO pin level is 1.
0: The HDO pin level is 0.
HKS
4
RO
1: The HKS pin level is 1.
0: The HKS pin level is 0.
SPO
5
RW
1:ThePOpiniscontrolledbythecombinationoftheHKS,HFIandHDIpin.
0: The PO pin level is set to 0 by software.
SDNPO
6
RW
1: The DNPO pin level is set to floating by software.
0: The DNPO pin level is set to 0 by software.
XMUTE
7
RW
1: The XMUTE pin is set to floating by software.
0: The XMUTE pin is set to 0 by software.
TheSPOflagisspecialdesignedtocontrolthePO.WhentheflagSPOissetto1,thePOpiniscontrolledbythecombi-
nation of the HKS pin, HFI pin and HDI pin. The PO pin will always be 0 if the flag SPO=0.
The relation between the Dialer I/O function (SPO=1)
Dialer Function
Dialer I/O Pin (Flag) Status
Result
HKS
HFO
HDO
PO
DNPO
Telephone Line
On-hook
1
0
0
0
floating
break
On-hook & Hand-free
1
1
0
1
floating
make
On-hook & Hold-line
1
0
1
1
floating
make
Off-hook
0
0
0
1
floating
make
Off-hook & Hand-free
0
1
0
1
floating
make
Off-hook & Hold-line
0
0
1
1
floating
make
The following describes the dialer I/O function status machine figure:
A
9
! ! A
9
A
9
5 <
5 <
5
5 <
5
! ! A
9
A
9
5
5 <
! ! A
9
5
! ! A
9
5
A !
A
9
5
A !
! ! A
9
5
8 A 8
A
9
5
8 A 8
A
9
! ! A
9
5
Off-hook: A falling edge to HKS pin
On-hook: A rising edge to HKS pin
HFI: A high pulse to HFI pin (Hand-free request is generated.)
HDI: A low pulse to HDI pin (Hold-line request is generated.)
相關(guān)PDF資料
PDF描述
HT95C300 8-Bit CID Type Phone Controller MCU
HT95C30P 8-Bit CID Type Phone Controller MCU
HT95C200 8-Bit CID Type Phone Controller MCU
HT95CXXX CID Type Phone 8-Bit MCU
HT95L400-128QFP-A LCD Type Phone 8-Bit MCU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT95C300 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU
HT95C30P 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU
HT95C400 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU
HT95C40P 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:LCD Type Phone 8-Bit MCU
HT95CXXX 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU
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