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參數資料
| 型號： | HT95C400 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | LCD Type Phone 8-Bit MCU |
| 中文描述： | 液晶式電話8位微控制器 |
| 文件頁數： | 6/52頁 |
| 文件大小： | 364K |
| 代理商： | HT95C400 |
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Pin Name
I/O
Description
LCD Driver
SEG47~SEG0
O
or
I/O
LCD panel segment outputs.
SomesegmentoutputscanbeoptionedtoBidirectionalinput/outputportsbysoftware.
(See the LCD Driver function)
COM15~COM0
O
or
I/O
LCD panel common outputs.
SomecommonoutputscanbeoptionedtoBidirectionalinput/outputportsbysoftware.
(See the LCD Driver function)
VLCD
I
LCD driver power source.
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
Port D could be optioned to LCD signal output, see the Input/Output Ports function
PE3~PE0
I/O
Bidirectional input/output ports.
Schmitt trigger input and CMOS output.
See mask option table for pull-high function
Port E could be optioned to LCD signal output, see the Input/Output Ports 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.
LBIN
I
This pin detects battery low through external R1/R2 to determine threshold voltage.
HT95LXXX
Rev. 1.20
6
May 26, 2004
相關PDF資料 |
PDF描述 |
|---|---|
| HT95C40P | LCD Type Phone 8-Bit MCU |
| HT95L000-56SSOP-A | LCD Type Phone 8-Bit MCU |
| HT95L00P-56SSOP-A | LCD Type Phone 8-Bit MCU |
| HT95L000 | LCD Type Phone 8-Bit MCU |
| HT95L00P | LCD Type Phone 8-Bit MCU |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| HT95L000 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU |
| HT95L000-56SSOP-A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:LCD Type Phone 8-Bit MCU |
| HT95L00P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:LCD Type Phone 8-Bit MCU |
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