Bit Bang Mode Availability for the FT232R and FT245R Application Note
●Introduction
■Bit Bang mode is a special FT232R and FT245R device mode that changes the 8 IO lines into an 8 bit bi-directional data bus. There are three types of Bit Bang mode:
▲Asynchronous Bit Bang Mode , which is the same as the FTDI BM and C chip-style Bit Bangmode, with the addition of Read and Write strobes in the case of the FT232R.
▲Synchronous Bit Bang Mode, where data is only read from the device when the device is written to. This is the same as the FT2232 Synchronous Bit Bang mode.
▲CBUS Bit Bang Mode, a new 4-bit version of Bit Bang mode is available on the FT232RCBUS pins.
■Asynchronous and Synchronous Bit Bang modes are enabled by driver commands, while CBUS Bit Bang must be set up in the device EEPROM (this can be done using the FT_PROG utility) before it can be enabled with a driver command.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2018-07-02 |
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Version 2.03 |
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AN_232R-01;FT_000339 |
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884 KB |
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