PROLIFIC PL-2303 Datasheet
PL-2303 USB to RS -232 Bridge Controlle r
Product Datasheet
Document Revision 1.4
Document Release: August, 2002
Prolific T echnology Inc.
Revision History
Release Date:
July, 2002
ds_pl2303_v14
Revision
1.4
1.3
1.2
Description Date
• Add Windows CE .NET support feature
• Buffer for upstream and downstream data flow –
change from 96 to 256 bytes
• For Chip Version H (date code 0206)
• Add OS Support in Features Section
• Correct default values in Table 5. Device
Configuration Register
• Add Suspend Current in DC Characteristics Section
• Move Operating Temperature in DC Characteristics
to new section
August 29, 2002
August 01, 2002
July 03, 2002
PL-2303 Product Datasheet - 2 - Document Revision 1.3
Features
Full compliance with the USB Specification v1.1 and USB CDC v1.1
Support the RS232 Serial interface
Support automatic handshake mode
Support Remote wake-up and power management
256 bytes buffer each for upstream and downstream data flow
Support default ROM or external EEPROM for device configuration
On chip USB transceiver
On chip crystal oscillator running at 12M Hz
Supports Windows 98/SE, ME, 2000, XP, Windows CE3.0, CE .NET, Linux, and Mac OS
Release Date:
July, 2002
ds_pl2303_v14
PL-2303 USB to Serial RS232 Bridge Controller
28 Pins SOIC package
SSOP 28 PACKAGE
(TOP VIEW)
TXD
DTR_N
RTS_N
VDD_232
RXD
RI_N
GND
VDD
DSR_N
DCD_N
CTS_N
SHTD_N
EE_CLK
EE_DATA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15 DP
OSC2
OSC1
PLL_TEST
GND_PLL
VDD_PLL
LD_MODE
TRI_MODE
GND
VDD
RESET
GND_3V3
VDD_3V3
DM
PL-2303 Product Datasheet - 3 - Document Revision 1.3
Block Diagram
Release Date:
July, 2002
ds_pl2303_v14
USB Port
USB
Transceiver
Control
Unit
DOWN
STREAM
BUFFER
CLOCK
SYNTHESIZE
USB
SIE
RS-232 SERIAL
REGISTER/
CONFIG/
STATUS/
CONTROL
UP
STREAM
BUFFER
INTERFACE
OSCILLATOR
EEPROM
INTERFACE
I2C Bus Serial Port
PL-2303 Product Datasheet - 4 - Document Revision 1.3
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