MA104 Datasheet, PDF(12/32 Page) Megawin Technology Co., Ltd

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MA104 Datasheet, PDF (12/32 Pages) Megawin Technology Co., Ltd – USB 2.0 low speed device.

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MA104 Datasheet

Version 1.02

6 UART Function

6.1 UART RX Protocol Format

MA104 only supports UART baud rate 19200 8N1 format. 1 bit time of start bit, 8 bits data and 1 bit time of stop

bit. MA104 does not support odd or even parity check.

6.2 UART Packet Data Format

M104 supports keyboard, mouse, consumer device, and generic desktop controls HID command. The Table 6-1

lists all type of data format for each function.

Header : 1 Byte

0x02

Table 6-1 Data Format Summary

Packet Type : 1 Byte

0x01 : Keyboard / Key Pad

0x02 : Generic Desktop Controls

0x03 : Consumer

0x04 : Mouse

0x05 : Free Data Transfer

0x06 : Joystick

Payload

7 Bytes

1 Byte

2 Bytes

6 Bytes

7 Bytes

6 Bytes

Checksum

1 Byte

Payload format for each packet type is described in the following section (6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5 and

6.2.6).

Checksum is calculated by XOR-ing packet type and payload. Checksum error will ignore all data in this transfer.

Each data transfer of MA104 must be completed in 8ms. If not, MA104 will clear all data received and wait for

next transfer.

This document information is the intellectual property of Megawin Technology.

QP-7300-03D

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