參數(shù)資料
型號: FT232HQ-REEL
廠商: FTDI, Future Technology Devices International Ltd
文件頁數(shù): 51/65頁
文件大小: 0K
描述: IC HS USB TO UART/FIFO 48QFN
應(yīng)用說明: FT1248 Application Note
標(biāo)準(zhǔn)包裝: 1
通道數(shù): 1,UART
FIFO's: 4kb
規(guī)程: RS232,RS422,RS485
電源電壓: 1.62 V ~ 1.98 V,2.97 V ~ 3.63 V
帶并行端口:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
安裝類型: 表面貼裝
封裝/外殼: 48-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-QFN(8x8)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 768-1102-6
Copyright 2012 Future Technology Devices International Limited
55
Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.8
Clearance No.: FTDI #199
7
EEPROM Configuration
7.1 EEPROM Interface
The FT232H uses configuration data from an external EEPROM. The EEPROM must be 16 bits wide
(93LC56B) and powered from the same net as the core supply of +2.97 to +3.63 volts. Adding an
external (93LC56B) EEPROM allows the chip to be configured as a serial UART (RS232 mode), parallel
FIFO (245) mode, FT1248, fast serial (opto isolation) or CPU-Style FIFO.
Figure 7.1 EEPROM Interface
The external EEPROM can also be used to customise the USB VID, PID, Serial Number, Product
Description Strings and Power Descriptor value of the FT232H for OEM applications. Other parameters
controlled by the EEPROM include Remote Wake Up, Soft Pull Down on Power-Off and I/O pin drive
strength.
If the FT232H is used without an external EEPROM the chip defaults to a USB to asynchronous serial
UART (RS232 mode) port device. If no EEPROM is connected (or the EEPROM is blank), the FT232H uses
its built-in default VID (0403), PID (6014) Product Description and Power Descriptor Value. In this case,
the device will not have a serial number as part of the USB descriptor.
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