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FT232RL 数据表(PDF) 7 Page - List of Unclassifed Manufacturers

部件名 FT232RL
功能描述  Future Technology Devices International Ltd.
PDF  43 Pages
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制造商  ETC2 [List of Unclassifed Manufacturers]
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标志 ETC2 - List of Unclassifed Manufacturers

FT232RL 数据表(HTML) 7 Page - List of Unclassifed Manufacturers

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Copyright © 2010 Future Technology Devices International Limited
7
Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.10
Clearance No.: FTDI# 38
3 Device Pin Out and Signal Description
3.1 28-LD SSOP Package
Figure 3.1 SSOP Package Pin Out and Schematic Symbol
3.2 SSOP Package Pin Out Description
Note: The convention used throughout this document for active low signals is the signal name followed by
a #
Pin No.
Name
Type
Description
15
USBDP
I/O
USB Data Signal Plus, incorporating internal series resistor and 1.5kΩ pull up
resistor to 3.3V.
16
USBDM
I/O
USB Data Signal Minus, incorporating internal series resistor.
Table 3.1 USB Interface Group
Pin No.
Name
Type
Description
4
VCCIO
PWR
+1.8V to +5.25V supply to the UART Interface and CBUS group pins (1...3, 5, 6,
9...14, 22, 23). In USB bus powered designs connect this pin to 3V3OUT pin to
drive out at +3.3V levels, or connect to VCC to drive out at 5V CMOS level. This
pin can also be supplied with an external +1.8V to +2.8V supply in order to drive
outputs at lower levels. It should be noted that in this case this supply should
originate from the same source as the supply to VCC. This means that in bus
powered designs a regulator which is supplied by the +5V on the USB bus should
be used.
7, 18,
21
GND
PWR
Device ground supply pins
USBDP
USBDM
3V3OUT
GND
RESET#
VCC
GND
NC
AGND
TEST
OSCI
OSCO
CBUS1
CBUS0
TXD
RTS#
RXD
DTR#
VCCIO
RI#
GND
NC
DSR#
DCD#
CTS#
CBUS4
CBUS2
CBUS3
1
14
15
28
FT232RL
A
G
N
D
G
N
D
G
N
D
G
N
D
T
E
S
T
25
7
18
21
26
3V3OUT
VCCIO
4
17
NC
RESET#
NC
24
19
8
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RI#
1
5
3
11
2
9
10
6
CBUS0
CBUS3
CBUS2
CBUS1
23
22
13
14
20
16
15
USBDP
USBDM
VCC
OSCI
27
OSCO
28
CBUS4
12



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