UB232R FTDI, UB232R Datasheet - Page 6

• Manufacturer Part Number: UB232R
• Description: Interface Modules & Development Tools USB to Serial UART MiniB Dev Mod FT232R
• Manufacturer: FTDI

Specifications of UB232R

• Interface Type: USB, Serial, UART
• Data Bus Width: Serial
• Operating Supply Voltage: 1.8 V to 5.25 V
• Product: Interface Modules
• Silicon Manufacturer: FTDI
• Silicon Core Number: FT232R
• Kit Application Type: Interface
• Application Sub Type: USB Mini-B
• Kit Contents: Board
• Rohs Compliant: Yes
• For Use With/related Products: FT232R
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3
The electrical details and connections to the UB232R module are shown in Figure 3.1, Table 3.1 and Table
3.2.
Figure 3.1 UB232R Electrical Connections (Top View)
Table 3.1 UB232R Module Connection
The signal output level on connectors J1 and J2 are controlled by the voltage supplied to the VCCIO pin 4
on the FT232R. The VCCIO is selected between the +5V (VCC from USB) or the output of the FT232R Low
Drop Out (LDO) +3.3V regulator. The VCCIO selection is done by fitting a link on connector J3. The
selection is shown in Table 3.2.
Table 3.2 UB232R Module VCCIO selection
Connector J3
Silkscreen Pin
connected
connected
Electrical Details
Link 1-2
Link 2-3
1
2
3
4
5
6
7
8
Function
VCCIO and RESET# driven connected to VCC (+5V)
VCCIO and RESET# driven connected to +3.3V output of FT232R LDO regulator
Copyright © 2010 Future Technology Devices International Limited
Connector Pin
J1-1
J1-2
J1-3
J1-4
J2-4
J2-3
J2-2
J2-1
UB232R USB Mini-B FT232R Evaluation Module Datasheet Version 1.12
CBUS1
CBUS0
Name
CTS#
RTS#
GND
VCC
RXD
TXD
Description
+5V Power from USB Interface
FT232R CTS pin
FT232R RTS pin
FT232R CBUS1 pin
FT232R CBUS0 pin
FT232R RXD pin
FT232R TXD pin
OV Power pin
Document Reference No.: FT_000055
Clearance No.: FTDI# 43
5