FT232RQ R FTDI, Future Technology Devices International Ltd, FT232RQ R Datasheet - Page 4

• Manufacturer Part Number: FT232RQ R
• Description: IC USB TO SERIAL UART 32-QFN
• Manufacturer: FTDI, Future Technology Devices International Ltd
• Series: USBmadeEZ-UARTr

Specifications of FT232RQ R

• Features: USB to UART
• Number Of Channels: 1, UART
• Fifo's: 256 Byte
• Protocol: RS-232, RS-422, RS-485
• Voltage - Supply: 3.3 V ~ 5.25 V
• With Auto Flow Control: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 32-QFN
• For Use With: 768-1023 - MOD USB RS232 DEV/EVAL FT232RL768-1022 - MODULE USB - SERIAL MODULE MINI768-1021 - MODULE MINI DEVELOPMENT FT232RQ768-1019 - MODULE USB-SER UART FT232 24-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 768-1008-2; FT232RQ R

2
Figure 2.1 FT232R Block Diagram
For a description of each function please refer to Section 4.
3V3OUT
(optional)
(optional)
USBDM
USBDP
VCC
OSCO
OCSI
TEST
GND
FT232R Block Diagram
Transceiver
Integrated
Resistors
USB DPLL
Regulator
and 1.5K
Oscillator
Internal
3.3 Volt
Series
12MHz
Pull-
USB
with
LDO
up
Copyright © 2010 Future Technology Devices International Limited
Serial Interface
Multiplier
x4 Clock
Engine
( SIE )
48MHz
Protocol Engine
FIFO TX Buffer
FIFO RX
EEPROM
Internal
Buffer
USB
SLEEP#
FT232R USB UART IC Datasheet Version 2.07
To USB Transeiver Cell
RESET#
FIFO Controller
UART
48MHz
Document No.: FT_000053
Clearance No.: FTDI# 38
Generator
3V3OUT
Reset
UART Controller
Signal Inversion
Programmable
Baud Rate
Generator
with
DBUS0
DBUS1
DBUS2
DBUS3
DBUS4
DBUS5
DBUS6
DBUS7
CBUS0
CBUS1
CBUS2
CBUS3
CBUS4
4