FT2232H_12 Datasheet, PDF (23/67 Pages) Future Technology Devices International Ltd. – Dual High Speed USB to Multipurpose UART/FIFO IC

Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
4.3.2 Dual Port RS422 Configuration
Figure 4.2 illustrates how the FT2232H can be configured as a dual RS422 interface.
Figure 4.2 Dual RS422 Configuration
In this case both channel A and channel B are configured as UART operating at TTL levels and a level
converter device (full duplex RS485 transceiver) is used to convert the TTL level signals from the
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