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參數(shù)資料
| 型號： | MTP805 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8051 Embedded USB/PS2 Keyboard/Mouse Controller |
| 中文描述： | 8051嵌入式USB/PS2鍵盤/鼠標(biāo)控制器 |
| 文件頁數(shù)： | 6/15頁 |
| 文件大?。?/td> | 125K |
| 代理商： | MTP805 |
MYSON
TECHNOLOGY
MTP805
(Rev. 0.9)
Revision 0.9 - 6 - 2000/07/19
3.5 PS2CLK, PS2DATA
These pins are shared with USB’s DP/DM pins. They are connected to 8051’s P3.4 and P3.5. In PS2 mode,
S/W should keep “ENUSB”=0 and “PS2KB”=1. In USB mode, S/W should keep “ENUSB”=1, “PS2KB”=0 and
P3.4/P3.5 output high. These pins are also “Pseudo open-drain” structure in PS2 mode.
3.6 LED0~2, GPO0
These pins are used to drive LED. Basically, they are open-drain structure. Each one has a 420 ohm serial
resistor when sink pin to low, and has a 100K resistor when drive high. S/W may write data to “LED” register
to control these pins’ status. Read “LED” only read the data in the “LED” register, instead of data on the pins.
3.7 KSI0~7
These pins are used as key scan input. Reading “KSI” register of XFR reflect the data on the pin. These pins
are input only with pull-up resistor on each pin.
2 OSC
period
delay
4mA
20uA
Write
Data
Pin
4mA
Read
Latch
Data
DP/PS2CLK, DM/PS2DATA
Q
D
CK
/WR
Output
Register
Read
Pin
Data
PS2KB
3.3V
USBSIE
Output
Pin
Read
Data
KSI0~7
50uA
Write
Data
Pin
4mA
LED0~2, GPO0
Q
D
CK
/WR
Output
Register
420
Read
Data
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MTP805N | 8051 Embedded USB/PS2 Keyboard/Mouse Controller |
| MTP805S | 8051 Embedded USB/PS2 Keyboard/Mouse Controller |
| MTP805V | 8051 Embedded USB/PS2 Keyboard/Mouse Controller |
| MTU429B | 4-Bit Micro-Controller with LCD Dr |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MTP805N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8051 Embedded USB/PS2 Keyboard/Mouse Controller |
| MTP805S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8051 Embedded USB/PS2 Keyboard/Mouse Controller |
| MTP805V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8051 Embedded USB/PS2 Keyboard/Mouse Controller |
| MTP810G | 制造商:ADAM-TECH 制造商全稱:Adam Technologies, Inc. 功能描述:MODULAR TELEPHONE PLUGS |
| MTP810U | 制造商:ADAM-TECH 制造商全稱:Adam Technologies, Inc. 功能描述:MODULAR TELEPHONE PLUGS |
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