MTP805S View Datasheet(PDF) - Myson Century Inc
Part Name
Description
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MTP805S Datasheet PDF : 15 Pages
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MYSON
TECHNOLOGY
MTP805
(Rev. 0.9)
PIN DESCRIPTION
Name
Type
Description
VSS
OSC1
OSC2
RST
KSI0
KSI1
KSI2
KSI3
KSI4
KSI5
KSI6
KSI7
KSO0
KSO1
KSO2
KSO3
KSO4
KSO5
KSO6
KSO7
KSO8
KSO9
KSO10
KSO11
KSO12
KSO13
KSO14
KSO15
KSO16
KSO17
GPIO0
GPIO1
MSDATA
MSCLK
GPO0
LED2
LED1
LED0
VDD
V33
DM/PS2DATA
DP/PS2CLK
- Ground.
I Oscillator input.
O Oscillator output.
I Active high reset. (with internal pull-down resistor)
I Key scan input 0. (Schmitt-trigger with 10K/33K/50K pull-up resistor)
I Key scan input 1. (Schmitt-trigger with 10K/33K/50K pull-up resistor)
I Key scan input 2. (Schmitt-trigger with 10K/33K/50K pull-up resistor)
I Key scan input 3. (Schmitt-trigger with 10K/33K/50K pull-up resistor)
I Key scan input 4. (Schmitt-trigger with 10K/33K/50K pull-up resistor)
I Key scan input 5. (Schmitt-trigger with 10K/33K/50K pull-up resistor)
I Key scan input 6. (Schmitt-trigger with 10K/33K/50K pull-up resistor)
I Key scan input 7. (Schmitt-trigger with 10K/33K/50K pull-up resistor)
O Key scan output 0 (8051’s P1.0). (Pseudo open-drain)
O Key scan output 1 (8051’s P1.1). (Pseudo open-drain)
O Key scan output 2 (8051’s P1.2). (Pseudo open-drain)
O Key scan output 3 (8051’s P1.3). (Pseudo open-drain)
O Key scan output 4 (8051’s P1.4). (Pseudo open-drain)
O Key scan output 5 (8051’s P1.5). (Pseudo open-drain)
O Key scan output 6 (8051’s P1.6). (Pseudo open-drain)
O Key scan output 7 (8051’s P1.7). (Pseudo open-drain)
O Key scan output 8 (8051’s P2.0). (Pseudo open-drain)
O Key scan output 9 (8051’s P2.1). (Pseudo open-drain)
O Key scan output 10 (8051’s P2.2). (Pseudo open-drain)
O Key scan output 11 (8051’s P2.3). (Pseudo open-drain)
O Key scan output 12 (8051’s P2.4). (Pseudo open-drain)
O Key scan output 13 (8051’s P2.5). (Pseudo open-drain)
O Key scan output 14 (8051’s P2.6). (Pseudo open-drain)
O Key scan output 15 (8051’s P2.7). (Pseudo open-drain)
I/O Key scan output 16. (Pseudo open-drain)
I/O Key scan output 17. (Pseudo open-drain)
I/O General purpose I/O 0. (Pseudo open-drain)
I/O General purpose I/O 1. (Pseudo open-drain)
I/O Mouse data (8051’s P3.0). (Pseudo open-drain)
I/O Mouse clock (8051’s P3.1). (Pseudo open-drain)
O General purpose output 0. (Open-drain with 420 ohm serial resistor)
O Output pin to drive LED 2. (Open-drain with 420 ohm serial resistor)
O Output pin to drive LED 1. (Open-drain with 420 ohm serial resistor)
O Output pin to drive LED 0. (Open-drain with 420 ohm serial resistor)
- Positive Power Supply.
O 3.3 Volt USB regulator output. (Must connect to 1uF or larger capacitor)
I/O USB DM / PS2 keyboard data (8051’s P3.5).
I/O USB DP / PS2 keyboard clock (8051’s P3.4).
“Pseudo open-drain” pin is 8051 Port1’s standard. It can sink at least 4mA current when output low level, and
drive at least 4mA current for 2 X’tal cycle when output transit from low to high, then keep drive 100uA to
maintain the pin at high level.
Revision 0.9
-3-
2000/07/19
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