ma101-ts28 Megawin Technology, ma101-ts28 Datasheet - Page 10

• Manufacturer Part Number: ma101-ts28
• Description: Ma101 Is A Driver Free Usb Data Bridge
• Manufacturer: Megawin Technology

When switch to TWSI Mode, the I/O configurations are allowed as follow:
Note: If there is an EEPROM with Customer’s ID Data, user can’t change any setting on Port 2.1 and Port 2.2
5.2.3 TWSI Setting and Data Flow
User can use MA101_SetMode() function call in BridgeMini.DLL to change TWSI data rate setting as desired.
Parameter definition in TWSI
Note : EEPROM slave address must be 0x50.
This document information is the intellectual property of Megawin Technology Co., Ltd.
© Megawin Technology Co., Ltd. 2009 All rights reserved.
P0.4 ~ P0.7
P1.0 ~ P1.7
P2.1 ~ P2.2
P2.4 ~ P2.7
P3.0 ~ P3.3
P4.0 ~ P4.1
P3.5 , P3.6
TWSI_Info
Device_Address
Clock_Rate
by DLL Function Library. The setting includes Input/Out, CMOS/NMOS, Pull High Resistor
Enable/Disable and Output Value. On the contrary, if there is no EEPROM, Port 2.1 and Port 2.2 are
free to change by user.
P0.0
P0.1
P0.2
P0.3
P2.0
P2.3
P3.4
P3.7
PIN
MEGAWIN
MAKE YOU WIN
Input/Output
User Control
User Control
User Control
User Control
User Control
User Control
User Control
User Control
User Control
User Control
0 : Use TWSI_SDA / TWSI_SCL
1 : Use ID_SDA / ID_SCL
0x00~0x7F
0x00~0xFF for clock period
Output
Output
Output
Output
Note
CMOS/NMOS
User Control
User Control
User Control
User Control
User Control
User Control
User Control
User Control
CMOS
CMOS
CMOS
CMOS
Note
Note
Note
Pull High Resistor
Enable/Disable
User Control
User Control
User Control
User Control
User Control
User Control
User Control
User Control
Disable
Disable
Disable
Disable
Note
Note
Note
Datasheet Version 1.02
Output Buffer
User Control
User Control
User Control
User Control
User Control
User Control
User Control
User Control
TX/RX_LED
TWSI_SDA
TWS_SCL
USB_LED
MA101
VCC
VCC
Note
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