參數(shù)資料
型號: FT2232HL-REEL
廠商: FTDI, Future Technology Devices International Ltd
文件頁數(shù): 49/67頁
文件大小: 0K
描述: IC USB HS DUAL UART/FIFO 64-LQFP
標準包裝: 1
系列: USBmadeEZ-FIFO,F(xiàn)T-X,X-Chip
特點: USB 至 UART 和(或)FIFO、SPI、I2C、JTAG
通道數(shù): 2,DUART
FIFO's: 4096 字節(jié)
規(guī)程: RS232,RS422,RS485
電源電壓: 3 V ~ 3.6 V
帶并行端口:
帶自動流量控制功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應商設備封裝: 64-LQFP
包裝: 標準包裝
產(chǎn)品目錄頁面: 634 (CN2011-ZH PDF)
其它名稱: 768-1024-6
Copyright 2012 Future Technology Devices International Limited
53
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
6.2 USB Self Powered Configuration
Self Powered application example 1: Self powered configuration
Vin
Vout
GND
LDO +3.3V
GND
VBUS
1
D-
2
D+
3
GND
4
100nF
3.3uF
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
1
2
Ext. Power Supply
GND
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
10
G
N
D
11
V
C
O
R
E
12
TEST
13
RESET#
14
G
N
D
15
ADBUS0
16
17
18
19
V
C
IO
20
21
22
23
24
G
N
D
25
26
27
28
29
30
V
C
IO
31
32
33
34
G
N
D
35
SUSPEND#
36
V
C
O
R
E
37
38
39
40
41
V
C
IO
42
43
44
45
46
G
N
D
47
48
VREGOUT
49
VREGIN
50
G
N
D
51
52
53
54
V
C
IO
56
55
57
58
59
PWREN#
60
EECLK
62
EEDATA
61
EECS
63
V
C
O
R
E
64
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
VBUS
GND
10K
4.7K
Figure 6.3 Self Powered Configuration Example 1
Figure 6.3 illustrates the FT2232H in a typical USB self powered configuration. A USB self powered device
gets its power from its own power supply and does not draw current from the USB bus. In this example
an external power supply is used. This external supply is regulated to +3.3V.
Note that in this set-up, the EEPROM should be configured for self-powered operation and the option
“suspend on DBUS7 low” selected in MPROG. Also this configuration uses the pin BCBUS7, so this
assumes that MPSSE mode is not selected.
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