PL2303 datasheet(8/11 Pages) ETC

8 / 11 page

Release Date:

July, 2002

ds_pl2303_v14

PL-2303 Product Datasheet

- 8 -

Document Revision 1.3

Table 5. Device Configuration Register

Name

Bits

Definition

Default

RESERVED

Reserved

TRI_OUT

RS-232 Output Tri-state:

1: RS-232 output tri-state

0: RS-232 output in output mode

RW_MODE

Remote Wakeup Mode:

0: When engages remote wakeup, the device issues disconnect

signal

1: When engages remote wakeup, the device issues resume

signal

WURX

Enable Wake Up Trigger on RXD:

0 – Disabled;

1 – Enable Wake Up Trigger on RXD state changes.

WUDSR

Enable Wake Up Trigger on DSR:

0 – Disabled;

1 – Enable Wake Up Trigger on DSR state changes.

WURI

Enable Wake Up Trigger on RI:

0 – Disabled;

1 – Enable Wake Up Trigger on RI state changes.

WUDCD

Enable Wake Up Trigger on DCD:

0 – Disabled;

1 – Enable Wake Up Trigger on DCD state changes.

WUCTS

Enable Wake Up Trigger on CTS:

0 – Disabled;

1 – Enable Wake Up Trigger on CTS state changes.

RESERVED

Always set to one

RESERVED

Always set to zero

RESERVED

Always set to zero

RW_INH

Remote Wake Inhibit:

1 – Inhibit the USB Remote Wakeup function

0 – Enable the USB Remote Wakeup function

11:6

RESERVED

Always set to zero

5:4

RTSM

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.

3:1

RESERVED

Always set to zero

RSPDM

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

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