參數(shù)資料
型號(hào): FT2232C
廠商: Electronic Theatre Controls, Inc.
英文描述: FT2232C Dual USB UART / FIFO I.C.
中文描述: FT2232C雙USB的UART / FIFO的集成電路
文件頁數(shù): 38/51頁
文件大小: 907K
代理商: FT2232C
DS2232C Version 1.4
Future Technology Devices International Ltd. 2005 Page 38 of 54
FT2232C Dual USB UART / FIFO I.C.
Synchronous Bit-Bang Mode
With Synchronous Bit-Bang mode data will only be sent out by the FT2232C if there is space in the device for data to
be read from the pins. This Synchronous Bit-Bang mode will read the data bus pins first, before it sends out the byte
that has just been transmitted. It is therefore 1 byte behind the output, and so to read the inputs for the byte that you
have just sent, another byte must be sent.
For example :-
(1) Pins start at 0xFF
Send 0x55,0xAA
Pins go to 0x55 and then to 0xAA
Data read = 0xFF,0x55
(2) Pins start at 0xFF
Send 0x55,0xAA,0xAA
(repeat the last byte sent)
Pins go to 0x55 and then to 0xAA
Data read = 0xFF,0x55,0xAA
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