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FT2232H 数据表(PDF) 21 Page - Future Technology Devices International Ltd.

部件名 FT2232H
功能描述  DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
PDF  63 Pages
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制造商  FTDI [Future Technology Devices International Ltd.]
网页  http://www.ftdichip.com
标志 FTDI - Future Technology Devices International Ltd.

FT2232H 数据表(HTML) 21 Page - Future Technology Devices International Ltd.

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Copyright © 2010 Future Technology Devices International Limited
21
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 2.09
Clearance No.: FTDI#77
4.3 Dual Port FT232 UART Interface Mode Description
The FT2232H can be configured in similar UART modes as the FTDI FT232 devices. The following
examples illustrate how to configure the FT2232H with an RS232, RS422 or RS485 interface. The FT2232
can be configured as a mixture of these interfaces.
4.3.1 Dual Port RS232 Configuration
Figure 4.1 illustrates how the FT2232H can be configured with an RS232 UART interface. This can be
repeated for channel B to provide a dual RS232, but has been omitted for clarity.
OSCI
2
OSCO
3
REF
6
DM
7
DP
8
TEST
13
RESET#
14
16
17
18
19
21
22
23
24
26
27
28
29
30
32
33
34
SUSPEND#
36
38
39
40
41
43
44
45
46
48
VREGOUT
49
VREGIN
50
52
53
54
55
57
58
59
PWREN# 60
EECLK
62
EEDATA
61
EECS
63
Vin
Vout
GND
LDO +3.3V
GND
VBUS
1
D-
2
D+
3
GND 4
GND
100nF
100nF
100nF 100nF
GND
GND
GND
GND
GND
4.7uF
4.7uF
GND
GND
+1.8V
+3.3V
+3.3V
100nF
100nF 100nF 100nF 100nF
100nF 100nF
+1.8V +1.8V +1.8V +3.3V +3.3V +3.3V +3.3V
GND
GND
GND
GND
GND
GND
GND
+3.3V
+3.3V
12K
1K
GND
+3.3V
CS
1
SCL
2
D
3
Q
4
GND
5
ORG
6
DU
7
VCC
8
GND
GND
GND
+3.3V
+3.3V
2.2K
10K
10K
10K
1
3
12MHz
EECLK
EEDATA
GND
1
2
3
4
5
6
7
8
9
11
10
CON1
RS232-A
DCD1
RxD1
TxD1
DTR1
GND
DSR1
RTS1
CTS1
RI1
100nF
GND
EECS
PWREN
TTL_TxD1
TTL_RTS1
TTL_RxD1
TTL_CTS1
TTL_DTR1
TTL_DCD1
TTL_DSR1
TTL_RI1
13
V-
3
9
C1-
24
14
12
C1+
28
10
SHDN
22
11
23
V+
27
VCC
26
GND
25
5
15
19
8
4
6
7
18
17
16
C2+
1
C2-
2
21
20
MAX3241EUI
TTL_TxD1
TTL_RTS1
TTL_DTR1
TTL_RxD1
TTL_CTS1
TTL_DCD1
TTL_DSR1
TTL_RI1
DCD1
RxD1
TxD1
DTR1
DSR1
RTS1
CTS1
RI1
GND
100nF
100nF
100nF
100nF
100nF
GND
GND
+3.3V
PWREN#
Suspend
SUSPEND
RxD_LED
TxD_LED
220
220
LED1
LED2
+3.3V
+3.3V
TxD_LED
RxD_LED
ADBUS0
ADBUS1
ADBUS2
ADBUS3
ADBUS4
ADBUS5
ADBUS6
ADBUS7
BDBUS0
BDBUS1
BDBUS2
BDBUS3
BDBUS4
BDBUS5
BDBUS6
BDBUS7
BCBUS0
BCBUS1
BCBUS2
BCBUS3
BCBUS4
BCBUS5
BCBUS6
BCBUS7
ACBUS0
ACBUS1
ACBUS2
ACBUS3
ACBUS4
ACBUS5
ACBUS6
ACBUS7
0Ω
27pF
27pF
3.3uF
Figure 4.1 RS232 Configuration



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