參數(shù)資料
型號(hào): FT-MOD-4232HUB
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 26/45頁(yè)
文件大?。?/td> 0K
描述: MOD USB HS HUB & SERIAL I/F
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,USB 2.0 集線器
嵌入式:
已用 IC / 零件: FT4232H
主要屬性: USB 高速集線器,最多 3 下行 USB 端口
次要屬性: USB 供電
已供物品:
其它名稱: 768-1091
Copyright 2010 Future Technology Devices International Limited
32
Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.2
Clearance No.: FTDI#78
Self Powered application example 2: Self powered configuration (with additional 1.8V LDO voltage
regulator for VCORE)
Figure 6.4 Self Powered Configuration Example 2
Figure 6.4 illustrates the FT4232H in a typical USB self powered configuration similar to Figure 6.3. The
difference here is that the +1.8V for the FT4232H core has been regulated from the external power
supply.
Note that in this set-up, the EEPROM should be configured for self-powered operation.
VBUS
1
D-
2
D+
3
GND
4
100nF 100nF
GND
4.7uF
GND
+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
27pF
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
Vin
Vout
GND
LDO +1.8V
GND
+1.8V
100nF
GND
100nF
GND
1
2
Ext. Power Supply
GND
G
N
D
1
OSCI
2
OSCO
3
4
G
N
D
5
REF
6
DM
7
DP
8
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
ADBUS1
ADBUS2
ADBUS3
ADBUS4
ADBUS5
ADBUS6
ADBUS7
BDBUS0
BDBUS1
BDBUS2
BDBUS3
BDBUS4
BDBUS5
BDBUS6
BDBUS7
CDBUS0
CDBUS1
CDBUS2
CDBUS3
CDBUS4
CDBUS5
CDBUS6
CDBUS7
DDBUS0
DDBUS1
DDBUS2
DDBUS3
DDBUS4
DDBUS5
DDBUS6
DDBUS7
V
P
H
Y
V
P
L
0?
GND
Vin
Vout
GND
LDO +3.3V
GND
100nF
GND
+3.3V
VBUS
GND
10K
4.7K
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