FT4232HQ - REEL FTDI, Future Technology Devices International Ltd, FT4232HQ - REEL Datasheet - Page 4

• Manufacturer Part Number: FT4232HQ - REEL
• Description: IC USB UART/MPSSE QUAD HS 64-QFN
• Manufacturer: FTDI, Future Technology Devices International Ltd
• Series: USBmadeEZ-FIFOr

Specifications of FT4232HQ - REEL

• Features: USB to UART and/or SPI, I2C, JTAG
• Number Of Channels: 4, QUART
• Fifo's: 2048 Byte
• Protocol: RS-232, RS-422, RS-485
• Voltage - Supply: 3 V ~ 3.6 V
• With Auto Flow Control: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 64-QFN
• For Use With: 768-1031 - MOD USB HS FT4232H EVAL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 768-1027-2; FT4232HQ - REEL

2
Figure 2.1 FT4232H Block Diagram
For a description of each function please refer to Section 4.
FT4232H Block Diagram
V1.8OUT
EEDATA
USBDP
OSCO
RESET#
EECS
EESK
RREF
OSCI
TEST
VCC 3V3 IN
Regulator
1.8 Volt
Generator
LDO
RESET
UTMI PHY
EEPROM
Interface
Copyright © 2010 Future Technology Devices International Limited
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
USB Protocol Engine
And FIFO Control
120 MHz
120 MHz
120 MHz
120 MHz
Dual Port RX
Dual Port TX
Dual Port RX
Dual Port TX
Dual Port RX
Dual Port TX
Dual Port RX
Dual Port TX
Baud Rate
Baud Rate
Baud Rate
Baud Rate
Generator
Generator
Generator
Generator
2K Bytes
2K Bytes
2K Bytes
2K Bytes
2K Bytes
2K Bytes
2K Bytes
2K Bytes
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
120 MHz
120 MHz
120 MHz
120 MHz
Document No.: FT_000060
Clearance No.: FTDI#78
Datasheet Version 2.10
MPSSE/
UART/bit-
MPSSE/
UART/bit-
UART/bit-
UART/bit-
Controller
Controller
Controller
Controller
purpose
purpose
purpose
purpose
Multi-
Multi-
Multi-
Multi-
bang
bang
bang
bang
SUSPEND#
PWREN#
CDBUS0
CDBUS1
CDBUS2
CDBUS3
CDBUS4
CDBUS5
CDBUS6
CDBUS7
DDBUS0
DDBUS1
DDBUS2
DDBUS3
DDBUS4
DDBUS5
DDBUS6
DDBUS7
ADBUS0
ADBUS1
ADBUS2
ADBUS3
ADBUS4
ADBUS5
ADBUS6
ADBUS7
BDBUS0
BDBUS1
BDBUS2
BDBUS3
BDBUS4
BDBUS5
BDBUS6
BDBUS7
4