参数资料
型号: FT2232HQ-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 47/67页
文件大小: 0K
描述: IC USB HS DUAL UART/FIFO 64-QFN
标准包装: 1
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: 标准包装
产品目录页面: 634 (CN2011-ZH PDF)
其它名称: 768-1025-6
Copyright 2012 Future Technology Devices International Limited
51
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
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
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
Vin
Vout
GND
LDO +3.3V
GND
VBUS
1
D-
2
D+
3
GND
4
100nF
100nF 100nF
GND
GND 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 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
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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