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參數(shù)資料
| 型號： | RS-232 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 144K |
| 代理商： | RS-232 |
Release Date:
J uly, 2002
ds_pl2303_v14
PL-2303 Product Datasheet
-
6 -
Document Revision 1.3
Pin
No.
22
Name
Type
Description
TRI_STATE
I
Tri-State
This pin is referred after reset.
High: RS-232 output inactive during Suspend.
Low: RS-232 output tri-state during Suspend.
Load Mode/SHTD
This pin is input during reset. Pull high with a 220K
resistor to
indicate the heavy load USB device (500mA). Pull down with a
220K
resistor to indicate the light load USB device 100mA).
After reset, this pin becomes output. It output the inverse of
SHTD_N.
5V power for PLL
Ground for PLL
PLL test mode control
Crystal oscillator input
Crystal oscillator output
23
LD_MD/
SHTD
I/O
24
25
26
27
28
VDD_PLL
GND_PLL
PLL_TEST
OSC1
OSC2
P
P
I
I
O
Type: I – Input signal O – Output signal I/O – Bi-directional signal P – Power/Ground
Supported Data Formats and Programmable Baud Rate Generator
The PL2303 USB-to-RS232 bridge controller supports versatile data formats and has a programmable baud
rate generator. The supported data formats are shown on Table 2. The programmable baud rate generator
supports baud rates up to 1.2M bps as shown in Table 3.
Table 2. Supported Data Formats
Stop bits
1
1.5
2
Parity type
None
Odd
Even
Mark
Space
Data bits
5, 6, 7, 8, or 16
Description
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