RS232 Introduction H C Tsou 10312003 BENQ Confidential
RS-232 Introduction H. C. Tsou 10/31/2003
BENQ Confidential (yyyy/mm/dd) 2003, BENQ Corporation
Serial Communication • Synchronous – I 2 C • SCL (Clock), SDA(Data) • Asynchronous – RS-232 • TXD(Transmit Data), RXD(Receive Data) BENQ Confidential (yyyy/mm/dd) 2003, BENQ Corporation
Hardware
W/PS 2 Cable (I) • 50. J 0510. 5 D 1(Except PB 7 Series) BENQ Confidential (yyyy/mm/dd) 2003, BENQ Corporation
W/PS 2 Cable (II) • 50. J 5019. 501 (PB 7 Series) BENQ Confidential (yyyy/mm/dd) 2003, BENQ Corporation
W/ D-Sub Cable • Download Board (PB 2 & PB 6100) BENQ Confidential (yyyy/mm/dd) 2003, BENQ Corporation
Accessory • W/ PS 2 connector – PS 2 Male to D-SUB 9 Pin Male Cable • W/ D-SUB Connector – PS 2 Male to D-SUB 9 Pin Male Cable x 1 – D-SUB Male to D-SUB Male Cable x 2 – Download Board (12 V to 3. 3 V) BENQ Confidential (yyyy/mm/dd) 2003, BENQ Corporation
Protocol
RS 232 Format • Data Format – Communicate Rate: 115200, 19200…bps – Bit Length: 8 – Parity bit : none – Stop Bit : 1 BENQ Confidential (yyyy/mm/dd) 2003, BENQ Corporation
Function About RS 232 • Download Firmware – Baud Rate: 115200 bps – Pixelworks Download Program • Software OSD Control – Baud Rate: 19200 bps – VB Interface Program BENQ Confidential (yyyy/mm/dd) 2003, BENQ Corporation
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