User manual

6
Copyright © 2012 Future Technology Devices International Limited
RPi HUB Module Datasheet
Version 1.0
Document Reference No.: FT_000700 Clearance No.: FTDI# 297
3.2 FT2232H Pin and Signal Descriptions
A list of functions available for every signal pin of the FT2232H is given in Figure 3.1.
Table 3.2 – FT2232H Functions Table
FT2232H
Pin
Pin functions depend on EEPROM configuration
Pin #
Pin Name
UART
245 FIFO
SYNC
245 FIFO
ASYNC
Bit-bang
SYNC
Bit-bang
MPSSE
Fast
Serial
interface
CPU
Style
FIFO
Host Bus
Emulation
Channel A
16
ADBUS0
TXD
D0
D0
D0
D0
TCK/SK
USES
CHANNEL
B
D0
AD0
17
ADBUS1
RXD
D1
D1
D1
D1
TDI/DO
D1
AD1
18
ADBUS2
RTS#
D2
D2
D2
D2
TDO/DI
D2
AD2
19
ADBUS3
CTS#
D3
D3
D3
D3
TMS/CS
D3
AD3
21
ADBUS4
DTR#
D4
D4
D4
D4
GPIOL0
D4
AD4
22
ADBUS5
DSR#
D5
D5
D5
D5
GPIOL1
D5
AD5
23
ADBUS6
DCD#
D6
D6
D6
D6
GPIOL2
D6
AD6
24
ADBUS7
RI#
D7
D7
D7
D7
GPIOL3
D7
AD7
26
ACBUS0
TXDEN
RXF#
RXF#
**
**
GPIOH0
CS#
A8
27
ACBUS1
**
TXE#
TXE#
WRSTB#
WRSTB#
GPIOH1
A0
A9
28
ACBUS2
**
RD#
RD#
RDSTB#
RDSTB#
GPIOH2
RD#
A10
29
ACBUS3
RXLED#
WR#
WR#
**
**
GPIOH3
WR#
A11
30
ACBUS4
TXLED#
SIWUA
SIWUA
SIWUA
SIWUA
GPIOH4
SIWUA
A12
32
ACBUS5
**
CLKOUT
**
**
**
GPIOH5
**
A13
33
ACBUS6
**
OE#
**
**
**
GPIOH6
**
A14
34
ACBUS7
**
**
**
**
**
GPIOH7
**
A15
Channel B
38
BDBUS0
TXD
D0
D0
D0
TCK/SK
FSDI
D0
CS#
39
BDBUS1
RXD
D1
D1
D1
TDI/DO
FSCLK
D1
ALE
40
BDBUS2
RTS#
D2
D2
D2
TDO/DI
FSDO
D2
RD#
41
BDBUS3
CTS#
D3
D3
D3
TMS/CS
FSCTS
D3
WR#
43
BDBUS4
DTR#
D4
D4
D4
GPIOL0
D4
IORDY
44
BDBUS5
DSR#
D5
D5
D5
GPIOL1
D5
CLKOUT
45
BDBUS6
DCD#
D6
D6
D6
GPIOL2
D6
I/O0
46
BDBUS7
RI#
D7
D7
D7
GPIOL3
D7
I/O1
48
BCBUS0
TXDEN
RXF#
**
**
GPIOH0
CS#
**
52
BCBUS1
**
TXE#
WRSTB#
WRSTB#
GPIOH1
A0
**
53
BCBUS2
**
RD#
RDSTB#
RDSTB#
GPIOH2
RD#
**
54
BCBUS3
RXLED#
WR#
**
**
GPIOH3
WR#
**
55
BCBUS4
TXLED#
SIWUB
SIWUB
SIWUB
GPIOH4
SIWUB
SIWUB
**
57
BCBUS5
**
**
**
**
GPIOH5
**
**
58
BCBUS6
**
**
**
**
GPIOH6
**
**
59
BCBUS7
PWRSAV
#
PWRSAV
#
PWRSAV#
PWRSAV#
PWRSAV#
GPIOH7
PWRSAV#
PWRSAV#
PWRSAV#
60
PWREN#
PWREN#
PWREN#
PWREN#
PWREN#
PWREN#
PWREN#
PWREN#
PWREN#
PWREN#
36
SUSPEND#
SUSPEND
#
SUSPEND
#
SUSPEND
#
SUSPEND
#
SUSPEND
#
SUSPEND
#
SUSPEND
#
SUSPEND
#
SUSPEND#
Configuration memory interface
63
EECS
62
EECLK
61
EEDATA