PL-2303 Ver la hoja de datos (PDF) - Prolific

Número de pieza

componentes Descripción

Fabricante

PL-2303

USB to RS-232 Bridge Controller

Prolific 

Release Date:

July, 2002

ds_pl2303_v14

Name

23

22

Bits

RESERVED

TRI_OUT

21 RW_MODE

20 WURX

19 WUDSR

18 WURI

17 WUDCD

16 WUCTS

15 RESERVED

14 RESERVED

13 RESERVED

12 RW_INH

11:6 RESERVED

5:4 RTSM

3:1 RESERVED

0 RSPDM

Table 5. Device Configuration Register

Definition

Reserved

RS-232 Output Tri-state:

1: RS-232 output tri-state

0: RS-232 output in output mode

Remote Wakeup Mode:

0: When engages remote wakeup, the device issues disconnect

signal

1: When engages remote wakeup, the device issues resume

signal

Enable Wake Up Trigger on RXD:

0 – Disabled;

1 – Enable Wake Up Trigger on RXD state changes.

Enable Wake Up Trigger on DSR:

0 – Disabled;

1 – Enable Wake Up Trigger on DSR state changes.

Enable Wake Up Trigger on RI:

0 – Disabled;

1 – Enable Wake Up Trigger on RI state changes.

Enable Wake Up Trigger on DCD:

0 – Disabled;

1 – Enable Wake Up Trigger on DCD state changes.

Enable Wake Up Trigger on CTS:

0 – Disabled;

1 – Enable Wake Up Trigger on CTS state changes.

Always set to one

Always set to zero

Always set to zero

Remote Wake Inhibit:

1 – Inhibit the USB Remote Wakeup function

0 – Enable the USB Remote Wakeup function

Always set to zero

RTS Control Method:

00b – RTS is controlled by ControlBitMap. Signal is active low;

01 – RTS is controlled by ControlBitMap. Signal is active high;

10 – Drive RTS active when Downstream Data Buffer is NOT

EMPTY; otherwise Drive RTS inactive.

11 – Drive RTS inactive when Downstream Data Buffer is NOT

EMPTY; otherwise Drive RTS active.

Always set to zero

RS-232 Transceiver Shut-Down Mode:

1: Shut down the transceiver when USB SUSPEND is engaged

0: Do not shut down the transceiver even when USB SUSPEND

is engaged

Default

0

0

1

0

0

1

0

0

1

0

0

0

0

0

0

1

PL-2303 Product Datasheet

-8-

Document Revision 1.3

Share Link: