FT2232H Datasheet, PDF (36/60 Pages) Future Technology Devices International Ltd. – DUAL HIGH SPEED USB TO MULTIPURPOSE UART

Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 2.05
Clearance No.: FTDI#77
NAME MIN
t1
15
t2
15
t3
20
t4
5
t5
5
t6
15
t7
15
t8
5
t9
0
NOM MAX
50
30
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
COMMENT
A0 / CS Setup to WR#
Data setup to WR#
WR# Pulse width
A0/CS Hold from WR#
Data hold from WR#
A0/CS Setup to RD#
Data delay from RD#
A0/CS hold from RD#
Data hold time from RD#
Table 4.9 CPU-Style FIFO Interface Operation Signal Timing.
An example of the CPU-style FIFO interface connection is shown in Figure 4.16
FT2232H
Channel A
or B
D0
D1
D2
D3
D4
D5
D6
D7
Microcontroller
IO10
IO11
IO12
IO13
IO14
IO15
IO16
IO17
RD#
WR#
A0
CS#
SI / WU
( Optional )
PWREN#
( Optional )
Figure 4.16 CPU-Style FIFO Interface Example
IO20
IO21
IO22
IO23
IO24
IO25
Copyright © 2009 Future Technology Devices International Limited
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