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參數(shù)資料
| 型號(hào)： | HT95A200 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | I/O Type Phone 8-Bit MCU |
| 中文描述： | I / O型電話8位微控制器 |
| 文件頁(yè)數(shù)： | 4/48頁(yè) |
| 文件大小： | 360K |
| 代理商： | HT95A200 |
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Pin Name
I/O
Description
TMR1
I
Supported for HT95A400/40P, HT95A300/30P, HT95A200/20P
Schmitt trigger input for Timer/Event Counter 1.
No internal pull-high resistor.
Activated on falling or rising transition edge, selected by software.
Normal I/O
PA7~PA0
I/O
Bidirectional input/output ports.
Schmitt trigger input and CMOS output.
See mask option table for pull-high and wake-up function.
PB7~PB0
I/O
Bidirectional input/output ports.
Schmitt trigger input and CMOS output.
See mask option table for pull-high function
PD7~PD0
I/O
Bidirectional input/output ports.
Schmitt trigger input and CMOS output.
See mask option table for pull-high function
PE7~PE0
I/O
Bidirectional input/output ports.
Schmitt trigger input and CMOS output.
See mask option table for pull-high function
PF7~PF0
I/O
Bidirectional input/output ports.
Schmitt trigger input and CMOS output.
See mask option table for pull-high function
PG3~PG0
I/O
Bidirectional input/output ports.
Schmitt trigger input and CMOS output.
See mask option table for pull-high function
Dialer I/O (See the Dialer I/O Function )
HFI
I
Schmitt trigger input structure. An external RC network is recommended for input
debouncing.
This pin is pulled low with internal resistance of 200k
typ.
HFO
O
CMOS output structure.
HDI
I
Schmitt trigger input structure. An external RC network is recommended for input
debouncing.
This pin is pulled high with internal resistance of 200k
typ.
HDO
O
CMOS output structure.
HKS
I
This pin detects the status of the hook-switch and its combination with HFI/HDI can con-
trol the PO pin output to make or break the line.
PO
O
CMOS output structure controlled by HKS and HFI/HDI pins and which determines
whether the dialer connects or disconnects the telephone line.
DNPO
O
NMOS output structure.
XMUTE
O
NMOS output structure. Usually, XMUTE is used to mute the speech circuit when trans-
mitting the dialer signal.
Peripherals
DTMF
O
This pin outputs dual tone signals to dial out the phone number. The load resistor should
not be less than 5k .
MUSIC
O
This pin outputs the single tone that is generated by the PFD generator.
Absolute Maximum Ratings
Supply Voltage ..........................V
SS
0.3V to V
SS
+5.5V
Storage Temperature ........................... 50 C to 125 C
Input Voltage .............................. V
SS
0.3 to V
DD
+0.3V
Operating Temperature .......................... 20 C to 70 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
HT95AXXX
Rev. 1.20
4
May 26, 2004
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT95A300 | I/O Type Phone 8-Bit MCU |
| HT95AXXX | I/O Type Phone 8-Bit MCU |
| HT95C20P | 8-Bit CID Type Phone Controller MCU |
| HT95C300 | 8-Bit CID Type Phone Controller MCU |
| HT95C30P | 8-Bit CID Type Phone Controller MCU |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT95A200/20P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A20P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU |
| HT95A300 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A300/30P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A30P | 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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