参数资料
型号: FT4232HQ-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 26/45页
文件大小: 0K
描述: IC USB HS QUAD UART/SYNC 64-QFN
标准包装: 1
系列: USBmadeEZ-FIFO
特点: USB 至 UART 和(或)SPI、I2C、JTAG
通道数: 4,QUART
FIFO's: 2048 字节
规程: RS232,RS422,RS485
电源电压: 3 V ~ 3.6 V
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 裸露焊盘(9x9)
包装: 标准包装
产品目录页面: 634 (CN2011-ZH PDF)
配用: 768-1031-ND - MOD USB HS FT4232H EVAL
其它名称: 768-1027-6
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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