FT232BQ USB UART ( USB - Serial) I.C.
8.0 Document Revision History
DS232B Version 1.0 – Initial document created 30 April 2002.
DS232B Version 1.1 –
Updated 04 August 2002
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Section 4.1 RESET# Pin description corrected (RESET# does not have an internal 200k pull-up to VCC as previously stated).
Figure 2 pin-out corrected (EECS = Pin 32).
DS232B Version 1.2 –
Updated 27 October 2003
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Pin and package naming made consistent throughout data sheet.
Section 1.0 Updated to reflect availability of Mac OS X driver.
Section 2.0 Minor corrections.
Section 3.1 Minor changes to functional block descriptions of SIE, RESET Generator, and EEPROM interface.
Section 4.1 Note added to EEPROM interface group.
Section 4.1 RSTOUT# Pin description amended.
Section 6.1 Minimum operating supply voltage adjusted.
Section 6.1 EESK added to Note 3.
Section 6.1 UART IO pin characteristics amended.
Section 6.1 RESET#, TEST, EECS, EESK, and EEDATA pin characteristics amended.
Section 6.1 RSTOUT pin characteristics amended.
Section 7.1 Updated recommended ceramic resonator part number and circuit configuration.
Section 7.3 “USB Self Powered Configuration (1)” (original figure 8 removed). Recommended circuit for USB self powered designs updated. Subsequent figure numbers have changed as a
result.
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Section 7.6 Note added to description of Bus powered circuit with 3.3V logic drive / supply voltage.
Section 7.6 Self Powered Circuit with 3.3V logic drive / supply voltage added (new figure 16).
DS232B Version 1.3 –
Updated 10 December 2003
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Section 5.0 Package drawing amended
Section 6.0 Floor Life / Relative Humidity specification added. ESD and Latch Up specifications amended.
Section 7.1 Required resonator / crystal accuracy corrected.
DS232B Version 1.4 –
Updated 10 February 2004
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Grammar Correcttions
Section 10.0 FTDI Address Updated
Section 2.0 Extended EEPROM Support corrected
Section 4.1 VCCIO Pin description amended.
Section 7.4 RS485 Example Sipex SP481 part number corrected.
DS232B Version 1.5 –
Updated April 2004
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Section 4.1 EESK Pin Description amended.
Section 7.6 Figure 16 PWRCTL Pin number corrected.
Section 7.7 Figure 15 PWREN# Pin number corrected.
DS232B Version 1.6 –
Updated November 2004
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Section 1.0 WinCE drivers now available.
Section 5.0 Date code format updated.
Section 6.0 Absolute Maximum Ratings table reformated.
DS232B Version 1.7 –
Updated February 2005
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Section 1.0 D2XX drivers for Linux and Windows CE now available.
Section 5.0 FT232BQ (lead Free) and FT232BQ (lead free QFN package) now available.
DS232B Version 1.8 –
Updated December 2005
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Section 1.0 Driver OS Support updated.
Section 6.0 USB Data line absolute maximum rating added.
DS232BQ Version 1.8
© Future Technology Devices Intl. Ltd. 2005
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