參數(shù)資料
型號(hào): FT2232HQ-REEL
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 50/67頁(yè)
文件大?。?/td> 0K
描述: IC USB HS DUAL UART/FIFO 64-QFN
標(biāo)準(zhǔn)包裝: 1
系列: USBmadeEZ-FIFO,F(xiàn)T-X,X-Chip
特點(diǎn): 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(dòng)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-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-QFN
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 634 (CN2011-ZH PDF)
其它名稱: 768-1025-6
Copyright 2012 Future Technology Devices International Limited
54
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
Self Powered application example 2: Self powered configuration (with additional 1.8V LDO voltage
regulator for VCORE)
VBUS
1
D-
2
D+
3
GND
100nF 100nF
GND 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 GND GND GND GND GND GND
+3.3V
12K
1K
GND
+3.3V
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
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
VBUS
Vin
Vout
GND
LDO +3.3V
GND
100nF
GND
+3.3V
Figure 6.4 Self Powered Configuration Example 2
Figure 6.4 illustrates the FT2232H in a typical USB self powered configuration similar to Figure 6.3. The
difference here is that the +1.8V for the FT2232H core has been regulated from the external power
supply.
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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