Datasheet > FT245RQ

FT245RQ

更新时间： 2024-01-23 15:30:35

品牌	Logo	应用领域
飞特帝亚 - FTDI		时钟先进先出芯片内存集成电路
页数	文件大小	规格书
13页	254K
描述
Bit Bang Modes for the FT232R and FT245R

阅读下载

中文翻译

获取价格

如果您发现信息不准确，欢迎纠错

FT245RQ 技术参数

Bit Bang Modes for the FT232R and FT245R

1.3

Synchronous Bit Bang Mode

Synchronous Bit Bang mode is the same as the FT2232 Synchronous Bit Bang mode. With

Synchronous Bit Bang mode, data will only be sent out 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:

· Pins start at 0xFF

· Send 0x55, 0xAA

· Pins go to 0x55 and then to 0xAA

· Data read = 0xFF, 0x55

· 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

The timing for Synchronous Bit bang is described in this diagram and the table below:

Time

Description

Current pin state is read

RD# is set inactive

RD# is set active again, and any pins that are

output will change to the new data.

Clock state for data setup

WR# goes active

WR# goes inactive

For the data to change there has to be new data written and the Baud rate clock has to tick. If no

new data is written to the device, the pins will hold the last value written.

1 2 3 456 7 8...13

中文翻译

下载PDF

型号	品牌	描述	获取价格	数据表
FT245RQ-6000	FTDI	USB FIFO IC - Single chip USB to parallel FIFO bidirectional data transfer interface	获取价格
FT24C02A	ETC	Two-Wire Serial EEPROM	获取价格
FT24C02A-5DG-B	ETC	The FT24C02A is 2048 bits of serial Electrical Erasable and Programmable Read Only Memory,	获取价格
FT24C02A-5DR-B	ETC	The FT24C02A is 2048 bits of serial Electrical Erasable and Programmable Read Only Memory,	获取价格
FT24C02A-5LG-T	ETC	The FT24C02A is 2048 bits of serial Electrical Erasable and Programmable Read Only Memory,	获取价格
FT24C02A-5LR-T	ETC	The FT24C02A is 2048 bits of serial Electrical Erasable and Programmable Read Only Memory,	获取价格