FT245AM FTDI, FT245AM Datasheet
FT245AM
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FT245AM Summary of contents
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... By using FTDI’s virtual COM Port drivers, the peripheral looks like a standard COM Port to the application software. Commands to set the baud rate are ignored – the device always transfers data at it’s fastest rate regardless of the application’ ...
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... Bytes Serial Interface USB Engine Protocol Engine ( SIE ) FIFO Transmit Buffer 384 Bytes GND 48MHz x8 Clock RESET# Multiplier 12MHz TEST 32 1 FTDI FT245AM XXYY FT8U245AM Preliminary Information Rev 0.9 – Subject to Change FIFO Controller EEPROM Interface ...
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FT8U245AM - FUNCTIONAL BLOCK DESCRIPTION 3.3V LDO Regulator The 3.3V LDO Regulator generates the 3.3 volt reference voltage for driving the USB transceiver cell output buffers. It requires an external decoupling capacitor to be attached to the 3V3OUT regulator output ...
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FIFO Transmit Buffer ( 384 bytes ) Data written into the FIFO using WR# is stored in the FIFO Transmit Buffer. The Host removes Data from the FIFO Transmit Data by sending a USB request for data from the device ...
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Table 1 - FT8U245AM - PINOUT DESCRIPTION Pin # Signal Type 7 USBDP I/O 8 USBDM I/O 6 3V3OUT OUT XTIN 27 28 XTOUT OUT 31 RCCLK I/O 4 RESET# 32 EECS I/O 1 EESK I/O 2 EEDATA I/O 5 ...
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FT8U245AM TIMING DIAGRAM – FIFO READ CYCLE RXF# RD# D0..D7 Time Description T1 RD Active Pulse Width Pre-Charge Time T3 RD Active to Valid Data T4 Valid Data Hold Time from RD inactive T5 RD Inactive ...
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FT8U245AM TIMING DIAGRAM – FIFO WRITE CYCLE TXE# WR D0..D7 Time Description T7 WR Active Pulse Width Pre-Charge Time T9 Data Setup Time before WR inactive T10 Data Hold Time from WR inactive T11 WR Inactive ...
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Figure 3. FT8U245AM - PACKAGE DESCRIPTION – QFP 7mm x 7mm 32 Pin # +/- 1 0.05 Min 0.2 Min 0.15 Max Future Technology Devices Intl 0 0.25 0.6 +/- 0.15 FT8U245AM Preliminary ...
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Absolute Maximum Ratings Storage Temperature ……………………………………………………. Ambient Temperature ( Power Applied )……………………………….. VCC Supply Voltage ……………………………………………….…….. DC Input Voltage - Inputs ……………………………………………….. DC Input Voltage - High Impedance Bidirectionals …………………… DC Output Current – Outputs …………………………………………… DC Output Current – ...
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... Please visit our internet site for the latest contact details of our Agents and Sales Representatives world-wide. Future Technology Devices Intl. Disclaimer Telephone : + 141 353 2565 Fax : + 141 353 2656 Email : support@ftdi.co.uk Internet : http://www.ftdi.co.uk FT8U245AM Preliminary Information Rev 0.9 – Subject to Change ...
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Appendix A USB Device Descriptors ...
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... Val : $00;{Device subclass ?} 0016 00 Val : $00;{Device protocol ?} 0017 08 Val : Max_Length;{maximum packet size} LABEL : Device_Des_Vendor; E 0018 03 04 Val : $03,$04;{Vendor ID FTDI} E 001A 01 60 Val : $01,$60;{product number 6001} LABEL : Device_Des_Vendor_End; E 001C 00 02 Val : $00,$02;{device release number 02.00} 001E 01 Val : $01;{index of string descriptor describing manufacturer} 001F 02 Val : $02 ...
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LABEL : Endpoint3_Des; {* end point descriptor *} 003B 07 Val : $07;{length of this descriptor in bytes} 003C 05 Val : $05;{End point descriptor} 003D 02 Val : 00000010b;{out endpoint at address 2} 003E 02 Val : 00000010b;{attribute as ...
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Appendix B EEPROM Data Structure ...
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... E2Rom Data example 0000 00 00 Val : $00,$00;{Configuration value} 0002 03 04 Val : $03,$04;{Vendor ID FTDI} 0004 01 60 Val : $01,$60;{product number 6001} 0006 00 02 Val : $00,$02;{device release number} 0008 A0 Val : 10100000b; 0009 2D Val : 45; {max power = 000A 00 00 Val : $00,$00;{reserved} 000C 00 00 Val : $00,$00;{reserved} 000E 94 VAL : PTR_ManStringDes ...