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FT4222HQ-C-R PDF预览

FT4222HQ-C-R

更新时间: 2024-10-29 01:16:15
品牌 Logo 应用领域
飞特帝亚 - FTDI /
页数 文件大小 规格书
49页 1552K
描述
USB2.0 to QuadSPI/I2C Bridge IC

FT4222HQ-C-R 数据手册

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FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC  
1.3  
Document No.: FT_001011 Clearance No.: FTDI#405  
Table of Contents  
1 Typical Applications....................................................... 2  
1.1 Driver Support ........................................................................... 2  
1.2 Ordering Information................................................................. 2  
1.3 USB Compliant ........................................................................... 3  
2 FT4222H Block Diagram ................................................ 4  
3 Device Pin Out and Signal Description........................... 7  
3.1 VQFN-32 Package Pin Out.......................................................... 7  
3.2 Pin Description .......................................................................... 8  
4 Function Description ................................................... 10  
4.1 Key Features............................................................................ 10  
4.2 Functional Block Descriptions .................................................. 11  
5 FT4222H Chip Mode Configuration and SPI/I2C Interface  
14  
5.1 Chip Mode Configuration.......................................................... 14  
5.2 SPI Bus Interface..................................................................... 15  
5.2.1  
5.2.2  
5.2.3  
5.2.4  
SPI Pin Definition ...................................................................................... 15  
SPI Bus Protocol ....................................................................................... 15  
SCK Format.............................................................................................. 17  
SPI Timing ............................................................................................... 18  
5.3 I2C Bus Interface ..................................................................... 20  
5.3.1  
5.3.2  
5.3.3  
5.3.4  
I2C Pin Definition....................................................................................... 20  
I2C Bus Protocol........................................................................................ 20  
I2C Slave Address...................................................................................... 21  
I2C Timing................................................................................................ 21  
5.4 GPIOs ...................................................................................... 23  
6 Devices Characteristics and Ratings............................ 24  
6.1 Absolute Maximum Ratings...................................................... 24  
6.2 ESD and Latch-up Specifications.............................................. 24  
6.3 DC Characteristics.................................................................... 25  
6.4 OTP Memory Reliability Characteristics.................................... 30  
7 FT4222H Configurations.............................................. 31  
7.1 USB Bus Powered Configuration ............................................. 31  
7.2 Self Powered Configuration with 5V Source Input ................... 32  
Copyright © Future Technology Devices International Limited  
5

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