参数资料
型号: FT2232HQ-TRAY
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 48/67页
文件大小: 0K
描述: IC USB HS DUAL UART/FIFO 64-QFN
标准包装: 260
系列: USBmadeEZ-FIFO,FT-X,X-Chip
特点: USB 至 UART 和(或)FIFO、SPI、I2C、JTAG
通道数: 2,DUART
FIFO's: 4096 字节
规程: RS232,RS422,RS485
电源电压: 3 V ~ 3.6 V
带并行端口:
带自动流量控制功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN
包装: 托盘
其它名称: FT2232HQ - TRAY
Copyright 2012 Future Technology Devices International Limited
52
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
Bus Powered Application example 2: Bus powered configuration (with additional 1.8V LDO voltage
regulator for VCORE)
VBUS
1
D-
2
D+
3
GND
4
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
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
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
Vin
Vout
GND
LDO +3.3V
GND
100nF
GND
+3.3V
Figure 6.2 Bus Powered Configuration Example 2
Figure 6.3 illustrates the FT2232H in a typical USB bus powered configuration similar to Figure 6.1. The
difference here is that the +1.8V for the FT2232H core (VCORE) has been regulated from the VBUS as
well as the +3.3V supply to the VPLL, VPHY, VCCIO and VREGIN.
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