FT232BL 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).

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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.

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Section 1.0 Updated to reflect availability of Mac OS X driver.

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Section 2.0 Minor corrections.

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Section 3.1 Minor changes to functional block descriptions of SIE, RESET Generator, and EEPROM interface.

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Section 4.1 Note added to EEPROM interface group.

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Section 4.1 RSTOUT# Pin description amended.

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Section 6.1 Minimum operating supply voltage adjusted.

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Section 6.1 EESK added to Note 3.

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Section 6.1 UART IO pin characteristics amended.

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Section 6.1 RESET#, TEST, EECS, EESK, and EEDATA pin characteristics amended.

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Section 6.1 RSTOUT pin characteristics amended.

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Section 7.1 Updated recommended ceramic resonator part number and circuit configuration.

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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.

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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

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Section 6.0 Floor Life / Relative Humidity specification added. ESD and Latch Up specifications amended.

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Section 7.1 Required resonator / crystal accuracy corrected.

DS232B Version 1.4 –

Updated 10 February 2004

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Grammar Correcttions

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Section 10.0 FTDI Address Updated

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Section 2.0 Extended EEPROM Support corrected

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Section 4.1 VCCIO Pin description amended.

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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.

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Section 7.6 Figure 16 PWRCTL Pin number corrected.

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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.

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Section 5.0 Date code format updated.

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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.

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Section 5.0 FT232BL (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.

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Section 6.0 USB Data line absolute maximum rating added.