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MA100 Datasheet(PDF) 2 Page - Megawin Technology Co., Ltd |
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MA100 Datasheet(HTML) 2 Page - Megawin Technology Co., Ltd |
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2 / 9 page 
General Description The MA100 is a USB interface to a UART bridge controller, which allows high efficient data transfer rate between a UART device and a USB host. The MA100 is usually used in some existing devices with UART only, and work through it to provide easy connectivity between USB host and UART device. The MA100 will be connected up to 57.6k bps UART, and the USB PC software driver is also supported for the Microsoft Windows 98 SE/Me/2000/XP environment. MA100 will be very suitable for hand-held game, data bank, I-toy, and other products that need to download/upload data through the PC system. Pin Description PIN Name I/O Description TX O UART Transmit with an open-drain RX I UART Receive with an open drain BS0~2 I Test pin LBRS I Low baud rate select pin USB_LED O LED for USB indication TX_LED O LED for transmit indication RX_LED O LED for receive indication P0 O Output pin -RST I Reset pin, low active TO0~1 I Time-out between RX and USB EE_A0 O External EEPROM A0 address pin EE_A1 O External EEPROM A1 address pin EE_SCL O External EEPROM serial clock input pin EE_SDA I/O External EEPROM serial data pin XTAL1 I 6MHz crystal or resonator in XTAL2 I 6MHz crystal or resonator out D+ I/O USB data + D- I/O USB data - VCC I Voltage supply VSS I Ground V3.3 O 3.3V regulated output, a capacitor should be added on this pin 2 MA100 Data Sheet MEGAWIN |
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