MA101 Datasheet, PDF (5/30 Pages) Megawin Technology Co., Ltd – Low-speed USB Specification version 1.1 compliance

MEGAWIN
MAKE YOU WIN
MA101
Datasheet Version 1.02
3 Pin Description
PIN Name
Function I/O Description
P0.0
BUSY_LED O MA101’s buffer is busy to receive data from UART (*1)
P0.1
TX/RX_LED O MA101 is sending or receiving data with Device (*1)
P0.2
USB_LED O MA101 connected with PC successfully (*1)
P0.3~0.5
I/O Bi-directional I/O
P0.6
UART_TX I/O Bi-directional I/O or UART TX function
P0.7
UART_RX I/O Bi-directional I/O or UART RX function
P1.0~1.3
P1.6
I/O Bi-directional I/O
P1.4
SPI_MISO I/O Bi-directional I/O or SPI MISO
P1.5
SPI_MOSI I/O Bi-directional I/O or SPI MOSI
P1.7
SPI_CLK I/O Bi-directional I/O or SPI CLK
P2.1
P2.4~P2.7
I/O Bi-directional I/O
P2.2
EE_SDA I/O Bi-directional I/O or Customer ID EEPROM SDA
P2.3
EE_SCL I/O Bi-directional I/O or Customer ID EEPROM SCL
P3.0~3.3
P3.5, P3.6
I/O Bi-directional I/O
P3.4
TWSI_SDA I/O Bi-directional I/O or TWSI SDA
P3.7
TWSI_SCL I/O Bi-directional I/O or TWSI SCL
P4.0~4.1 *2
I/O Bi-directional I/O
RESB
I Reset pin
XTAL1
I 6MHz crystal or resonator in
XTAL2
O 6MHz crystal or resonator out
DP
I/O USB data +
DM
I/O USB data -
VCC
I Voltage supply
VSS
I Ground
V3.3
O
3.3V regulated output, a 1uF(min) capacitor should be added on
this pin
(*1) P0.0~0.3 can be used to sink LED directly (without any external resistor).
This document information is the intellectual property of Megawin Technology Co., Ltd.
© Megawin Technology Co., Ltd. 2009 All rights reserved.
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