FT4232HQ-TRAY Datasheet, PDF (4/45 Pages) Future Technology Devices International Ltd. – Quad High Speed USB to Multipurpose UART/MPSSE IC

Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.2
Clearance No.: FTDI#78
2 FT4232H Block Diagram
VCC 3V3 IN
V1.8OUT
1.8 Volt
LDO
Regulator
EECS
EESK
EEDATA
OSCI
OSCO
USBDP
USBDM
RREF
EEPROM
Interface
UTMI PHY
RESET#
TEST
RESET
Generator
USB Protocol Engine
And FIFO Control
120 MHz
Bau1d2R0aMteHz
Generator
Dual Port TX
Buffer
2K Bytes
Dual Port RX
Buffer
2K Bytes
MPSSE/
Multi-
purpose
UART/bit-
bang
Controller
ADBUS0
ADBUS1
ADBUS2
ADBUS3
ADBUS4
ADBUS5
ADBUS6
ADBUS7
120 MHz
Bau1d2R0aMteHz
Generator
Dual Port TX
Buffer
2K Bytes
Dual Port RX
Buffer
2K Bytes
MPSSE/
Multi-
purpose
UART/bit-
bang
Controller
BDBUS0
BDBUS1
BDBUS2
BDBUS3
BDBUS4
BDBUS5
BDBUS6
BDBUS7
120 MHz
Bau1d2R0aMteHz
Generator
Dual Port TX
Buffer
2K Bytes
Dual Port RX
Buffer
2K Bytes
Multi-
purpose
UART/bit-
bang
Controller
CDBUS0
CDBUS1
CDBUS2
CDBUS3
CDBUS4
CDBUS5
CDBUS6
CDBUS7
120 MHz
Bau1d2R0aMteHz
Generator
Dual Port TX
Buffer
2K Bytes
Dual Port RX
Buffer
2K Bytes
Multi-
purpose
UART/bit-
bang
Controller
DDBUS0
DDBUS1
DDBUS2
DDBUS3
DDBUS4
DDBUS5
DDBUS6
DDBUS7
Figure 2.1 FT4232H Block Diagram
For a description of each function please refer to Section 4.
PWREN#
SUSPEND#
Copyright © 2010 Future Technology Devices International Limited
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