RS-232 Introduction

1
RS-232 Introduction

• H.C. Tsou
• 10/31/2003

2
(No Transcript)
3
Serial Communication

• Synchronous
• I2C
• SCL (Clock), SDA(Data)
• Asynchronous
• RS-232
• TXD(Transmit Data), RXD(Receive Data)

4
Hardware
5
W/PS2 Cable (I)

• 50.J0510.5D1(Except PB7 Series)

6
W/PS2 Cable (II)

• 50.J5019.501 (PB7 Series)

7
W/ D-Sub Cable

• Download Board (PB2 PB6100)

8
Accessory

• W/ PS2 connector
• PS2 Male to D-SUB 9 Pin Male Cable
• W/ D-SUB Connector
• PS2 Male to D-SUB 9 Pin Male Cable x1
• D-SUB Male to D-SUB Male Cable x2
• Download Board (12V to 3.3V)

9
Protocol
10
RS232 Format

• Data Format
• Communicate Rate 115200,19200bps
• Bit Length8
• Parity bit none
• Stop Bit 1

11
Function About RS232

• Download Firmware
• Baud Rate115200bps
• Pixelworks Download Program
• Software OSD Control
• Baud Rate19200bps
• VB Interface Program