Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 2.09
Clearance No.: FTDI#77
2
FT2232H Block Diagram
VCC 3V3 IN
120 MHz
120 MHz
Baud Rate
Generator
Dual Port TX
Buffer
4K Bytes
Dual Port RX
Buffer
4K Bytes
ADBUS0
ADBUS1
ADBUS2
ADBUS3
ADBUS4
ADBUS5
ADBUS6
ADBUS7
ACBUS0
ACBUS1
ACBUS2
ACBUS3
ACBUS4
ACBUS5
ACBUS6
ACBUS7
V1.8OUT
1.8 Volt
LDO
Regulator
EECS
EESK
EEDATA
EEPROM
Interface
MPSSE/
Multi-
purpose
UART/FIFO
Controller
OSCI
OSCO
USBDP
UTMI PHY
USB Protocol Engine
And FIFO Control
PWREN#
SUSPEND#
USBDM
RREF
120 MHz
120 MHz
Baud Rate
Generator
Dual Port TX
Buffer
4K Bytes
Dual Port RX
Buffer
4K Bytes
TEST
RESET#
RESET
Generator
MPSSE/
Multi-
purpose
UART/FIFO
Controller
BDBUS0
BDBUS1
BDBUS2
BDBUS3
BDBUS4
BDBUS5
BDBUS6
BDBUS7
BCBUS0
BCBUS1
BCBUS2
BCBUS3
BCBUS4
BCBUS5
BCBUS6
PWRSAV# /
BCBUS7
Figure 2.1 FT2232H Block Diagram
For a description of each function please refer to Section 4.
Copyright © 2010 Future Technology Devices International Limited
4
FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
