Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.09
Clearance No.: FTDI#78
Pins
Pin #
16
17
18
19
21
22
23
24
Pin Name
ADBUS0
ADBUS1
ADBUS2
ADBUS3
ADBUS4
ADBUS5
ADBUS6
ADBUS7
ASYNC
Serial
(RS232)
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RI#/
TXDEN*
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RI#/
TXDEN*
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RI#/
TXDEN*
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RI#/
TXDEN*
PWREN#
SUSPEND#
FT4232H
Pin functions (depend on configuration)
ASYNC Bit-
SYNC Bit-
bang
bang
Channel A
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
Channel B
MPSSE
TCK/SK
TDI/DO
TDO/DI
TMS/CS
GPIOL0
GPIOL1
GPIOL2
GPIOL3
26
27
28
29
30
32
33
34
BDBUS0
BDBUS1
BDBUS2
BDBUS3
BDBUS4
BDBUS5
BDBUS6
BDBUS7
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
Channel C
TCK/SK
TDI/DO
TDO/DI
TMS/CS
GPIOL0
GPIOL1
GPIOL2
GPIOL3
38
39
40
41
43
44
45
46
CDBUS0
CDBUS1
CDBUS2
CDBUS3
CDBUS4
CDBUS5
CDBUS6
CDBUS7
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
Channel D
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
48
52
53
54
55
57
58
59
60
36
63
62
61
DDBUS0
DDBUS1
DDBUS2
DDBUS3
DDBUS4
DDBUS5
DDBUS6
DDBUS7
PWREN#
SUSPEND#
EECS
EECLK
EEDATA
D0
D1
D2
D3
D4
D5
D6
D7
PWREN#
SUSPEND#
D0
D1
D2
D3
D4
D5
D6
D7
PWREN#
SUSPEND#
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
RS232 or Bit-Bang interface
PWREN#
SUSPEND#
Configuration memory interface
Table 3.1 FT4232H Pin Configurations
*
RI#/ or TXDEN is selectable in the EEPROM. Default is RI#.
Copyright © 2010 Future Technology Devices International Limited
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