PL2303 Datasheet, PDF (8/11 Pages) List of Unclassifed Manufacturers – PL-2303 USB to RS-232 Bridge Controller Product Datasheet

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