PL-2303 ETC, PL-2303 Datasheet - Page 8

• Manufacturer Part Number: PL-2303
• Description: PL-2303 USB to RS-232 Bridge Controller
• Manufacturer: ETC

PL-2303 Product Datasheet
Name
11:6
5:4
3:1
23
22
21
20
19
18
17
16
15
14
13
12
0
RESERVED
TRI_OUT
RW_MODE
WURX
WUDSR
WURI
WUDCD
WUCTS
RESERVED
RESERVED
RESERVED
RW_INH
RESERVED
RTSM
RESERVED
RSPDM
Bits
Enable Wake Up Trigger on RI:
Enable Wake Up Trigger on DCD:
Remote Wake Inhibit:
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.
0 – Disabled;
1 – Enable Wake Up Trigger on RI state changes.
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
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
Table 5. Device Configuration Register
- 8 -
Definition
Document Revision 1.3
ds_pl2303_v14
Release Date:
July, 2002
Default
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
1