UM232R FTDI, UM232R Datasheet - Page 15

• Manufacturer Part Number: UM232R
• Description: Interface Modules & Development Tools USB to Serial UART Dev Mod for FT232R
• Manufacturer: FTDI
• Type: Development Moduler

Specifications of UM232R

• Interface Type: USB, Serial, UART
• Data Bus Width: Serial
• Operating Supply Voltage: 1.8 V to 5.25 V
• Product: Interface Modules
• Supported Devices: FT232R
• Svhc: No SVHC (18-Jun-2010)
• Development Tool Type: Development Kit
• Kit Features: Single Chip USB To Asynchronous Serial Data Transfer Interface, Auto Transmit Buffer
• Rohs Compliant: Yes
• Supported Families: FT232RL
• Features: Single Chip USB To Asynchronous Serial Data Transfer Interface, Auto Transmit Buffer Control
• Tool / Board Applications: USB To
• For Use With/related Products: FT232R
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 6.8 UART and CBUS I/O Pin Characteristics (VCCIO = 2.8V, High Drive Level)
** Inputs have an internal 200kΩ pull-up resistor to VCCIO
Table 6.9 RESET# and TEST Pin Characteristics
Table 6.10 USB I/O Pin (USBDP, USBDM) Characteristics
*** Driver Output Impedance includes the internal USB series resistors on USBDP and USBDM
pins
© Copyright 2009 Future Technology Devices International Ltd
Parameter
Parameter
Parameter
UDrvZ
UCom
UVDif
VHys
VHys
UVoh
UVse
UVol
Voh
Vol
Vin
Vin
Description
Output Voltage High
Output Voltage Low
Input Switching Threshold
Input Switching Hysteresis
Description
Input Switching Threshold
Input Switching Hysteresis
Description
I/O Pins Static Output (High)
I/O Pins Static Output (Low)
Single Ended Rx Threshold
Differential Common Mode
Differential Input Sensitivity
Driver Output Impedance
UM232R USB - Serial UART Development Module Incorporating Clock Generator
Minimu
Minimu
Minimu
2.1
0.3
1.0
1.3
2.8
0.8
0.8
0.2
20
50
26
m
m
m
0
Typical
Typical
Typical
2.8
0.4
1.2
1.6
---
---
---
---
---
25
55
29
Maximu
Maximu
Maximu
3.2
0.6
1.5
1.9
3.6
0.3
2.0
2.5
---
30
60
44
m
m
m
Document Reference No.: FT_000051
Ohms
Units
Units
Units
mV
mV
V
V
V
V
V
V
V
V
V
Clearance No.: FTDI# 125
Conditions
I source = 3mA
I sink = 8mA
**
**
Conditions
Conditions
RI = 1.5kΩ to 3V3Out
(D+) RI = 15KΩ to GND
(D-)
RI = 1.5kΩ to 3V3Out
(D+) RI = 15kΩ to GND
(D-)
***
Datasheet Version 1.04
14