pl-2303x Prolific Technology Inc., pl-2303x Datasheet - Page 9

• Manufacturer Part Number: pl-2303x
• Description: Pl-2303x Edition Chip Rev A Usb To Serial Bridge Controller
• Manufacturer: Prolific Technology Inc.

2.0 Functional Block Diagram
PL-2303XA Product Datasheet
12 MHz Oscillator
2-Wire EEPROM
Control Endpoint
Management
2-Wire Serial
EEPROM I/F
Power
Configuration
Mask ROM
256-Byte
Figure 2-1 Block Diagram of PL-2303X (Chip Rev A)
Interrupt Endpoint
USB Digital Lock
4X Phase Lock
Loop
Loop
PL-2303X
- 9 -
USB 1.1/2.0 (Full-Speed)
Inbound Data
256/384Byte
RS232-Like Serial Interface Engine
USB Transceiver
Endpoint
Bulk-in
Buffer
USB Serial Interface Engine
RS232-Like I/F
Outbound Data
256/128Byte
Endpoint
Bulk-Out
ds_pl2303XA_v15F.doc
Buffer
Regulator
5 to 3.3V
Document Version 1.5F
Revised Date:
July 4, 2006