參數(shù)資料
型號： FT2232HL-TRAY
廠商： Future Technology Devices International Ltd
元件分類： 總線控制器
中文描述： UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝： LEAD FREE, LQFP-64
文件頁數(shù)： 44/63頁
文件大?。?/td> 1598K
代理商： FT2232HL-TRAY
Copyright 2010 Future Technology Devices International Limited
49
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 2.10
Clearance No.: FTDI#77
6 FT2232H Configurations
The following sections illustrate possible USB power configurations for the FT2232H.
All USB power configurations illustrated apply to both package options for the FT2232H device
6.1 USB Bus Powered Configuration
Bus Powered Application example 1: Bus powered configuration
G
N
D
1
OSCI
2
OSCO
3
V
P
H
Y
4
G
N
D
5
REF
6
DM
7
DP
8
V
P
L
9
A
G
N
D
1
0
G
N
D
1
V
C
O
R
E
1
2
TEST
13
RESET#
14
G
N
D
1
5
ADBUS0
16
17
18
19
V
C
IO
2
0
21
22
23
24
G
N
D
2
5
26
27
28
29
30
V
C
IO
3
1
32
33
34
G
N
D
3
5
SUSPEND#
36
V
C
O
R
E
3
7
38
39
40
41
V
C
IO
4
2
43
44
45
46
G
N
D
4
7
48
VREGOUT
49
VREGIN
50
G
N
D
5
1
52
53
54
V
C
IO
5
6
55
57
58
59
PWREN#
60
EECLK
62
EEDATA
61
EECS
63
V
C
O
R
E
6
4
Vin
Vout
GND
LDO +3.3V
GND
VBUS
1
D-
2
D+
3
GND
4
100nF
100nF 100nF
GND
4.7uF
GND
+1.8V
+3.3V
+1.8V
+3.3V
100nF
100nF 100nF 100nF 100nF
100nF 100nF
+1.8V +1.8V +1.8V +3.3V +3.3V +3.3V +3.3V
GND
+3.3V
12K
1K
GND
+3.3V
CS
1
SCL
2
D
3
Q
4
GND
5
ORG
6
DU
7
VCC
8
93C46
GND
+3.3V
2.2K
10K
1
3
12MHz
EECLK
EEDATA
GND
ADBUS1
ADBUS2
ADBUS3
ADBUS4
ADBUS5
ADBUS6
ADBUS7
ACBUS0
ACBUS1
ACBUS2
ACBUS3
ACBUS4
ACBUS5
ACBUS6
ACBUS7
BDBUS0
BDBUS1
BDBUS2
BDBUS3
BDBUS4
BDBUS5
BDBUS6
BDBUS7
BCBUS0
BCBUS1
BCBUS2
BCBUS3
BCBUS4
BCBUS5
BCBUS6
BCBUS7
0
GND
27pF
3.3uF
Figure 6.1 Bus Powered Configuration Example 1
Figure 6.1 illustrates the FT2232H in a typical USB bus powered design configuration. A USB bus powered
device gets its power from the USB bus. In this application, the FT2232H requires that the VBUS (USB
+5V) is regulated down to +3.3V (using an LDO) to supply the VCCIO, VPLL, VPHY and VREGIN.
VREGIN is the +3.3V input to the on chip +1.8V regulator. The output of the on chip LDO regulator
(+1.8V) drives the FT2232H core supply (VCORE). This requires a minimum of a 3.3uF filter capacitor.
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