pl-2303x Prolific Technology Inc., pl-2303x Datasheet - Page 14

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

5.2 QFN Package
Notes:
(1) –
(2) –
(3) –
(4) –
(5) –
(6) –
(7) –
PL-2303XA Product Datasheet
Pin #
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
1
2
3
4
5
6
7
8
9
IC Center Die PAD
CMOS Out, Output Pad. Level and Driving Capability decided by VDD_325.
SCHMITT In, 5V Tolerant, Input Pad. Level and Driving Capability decided by VDD_325.
SCHMITT In/CMOS Out, 5V Tolerant, Bi-directional Pad. Level and Driving Capability decided by VDD_325.
CMOS Out, 3.3V, Output Pad, 4mA Output Driving Capability.
SCHMITT In/CMOS Out, 5V Tolerant, Bi-directional Pad with internal resistor pulling-up to 3.3V, 4mA Output Driving
Capability.
LVTTL In, 3.3V, Input Pad.
SCHMITT In/CMOS Out, 5V Tolerant, Bi-directional Pad, 4mA Output Driving Capability.
VDD_325
RXD
RI_N
GND
VDD_33
DSR_N
DCD_N
CTS_N
SHTD_N
EE_CLK
EE_DATA
DP
DM
VO_33
GND
RESET_N
VDD_5
GND
GP0
GP1
VDD_33A
GND_A
PLL_TEST
OSC1
OSC2
TXD
RTS_N
NC
NC
NC
NC
DTR_N
Name
Table 5-2 QFN32 Pin Assignment Description
Type
P
I
I/O
P
P
I/O
I/O
I/O
O
I/O
I/O
-
-
I/O
I/O
-
P
P
I
P
P
I/O
I/O
P
P
I
I
I/O
-
O
O
O
-
(2)
(6)
(6)
(4)
(1)
(1)
(1)
(3)
(3)
(3)
(3)
(5)
(5)
(7)
(7)
RS232 VDD. The power pins for the serial port signals.
When the serial port is 3.3V, this should be 3.3V. When
the serial port is 2.5V, this should be 2.5V.
Serial port (Received Data)
Serial port (Ring Indicator)
Ground
Primary Power (3.3V)
Serial port (Data Set Ready)
Serial port (Data Carrier Detect)
Serial port (Clear To Send)
RS232 Transceiver Shut Down Control
2-Wire Serial EEPROM Clock
2-Wire Serial EEPROM Data
Not Connected
Not Connected
USB port D+ signal
USB port D- signal
Not Connected
Regulator Power Output, 3.3V
Ground
External System Reset (Active Low)
USB port V
Ground
General Purpose I/O Pin 0
General Purpose I/O Pin 1
Analog Power (3.3V) for PLL
Analog Ground for PLL
PLL test mode control
Crystal oscillator input
Crystal oscillator output
Not Connected
Serial port (Transmitted Data)
Serial port (Data Terminal Ready)
Serial port (Request To Send)
No Connection
- 14 -
BUS
, 5V Power.
Description
ds_pl2303XA_v15F.doc
Document Version 1.5F
Revised Date:
July 4, 2006