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FT232RL Datasheet(PDF) 10 Page - List of Unclassifed Manufacturers |
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10 / 43 page Copyright © 2010 Future Technology Devices International Limited 10 Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.10 Clearance No.: FTDI# 38 3.3 QFN-32 Package Figure 3.2 QFN-32 Package Pin Out and schematic symbol 3.4 QFN-32 Package Signal Description Pin No. Name Type Description 14 USBDP I/O USB Data Signal Plus, incorporating internal series resistor and 1.5kΩ pull up resistor to +3.3V. 15 USBDM I/O USB Data Signal Minus, incorporating internal series resistor. Table 3.5 USB Interface Group Pin No. Name Type Description 1 VCCIO PWR +1.8V to +5.25V supply for the UART Interface and CBUS group pins (2, 3, 6,7,8,9,10 11, 21, 22, 30,31,32). In USB bus powered designs connect this pin to 3V3OUT 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 out 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. 4, 17, 20 GND PWR Device ground supply pins. FT232RQ 32 25 24 17 16 9 8 1 YYXX-A 18 9 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 17 19 20 21 22 23 24 25 26 27 28 29 30 31 32 RESET# VCC NC AGND CBUS1 CBUS0 RXD VCCIO RI# GND NC DSR# DCD# CTS# GND GND I FT232RQ A G N D G N D G N D G N D T E S T 24 4 17 20 26 3V3OUT VCCIO 1 16 NC RESET# NC 23 18 13 TXD RXD RTS# CTS# DTR# DSR# DCD# RI# 30 2 32 8 31 6 7 3 CBUS0 CBUS3 CBUS2 CBUS1 22 21 10 11 19 15 14 USBDP USBDM VCC OSCI 27 OSCO 28 CBUS4 9 NC 12 NC 5 NC 29 NC 25 FTD XXXXXXX |
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