參數(shù)資料
型號(hào): FT4232H MINI MODULE
廠商: FTDI, Future Technology Devices International Ltd
文件頁數(shù): 28/45頁
文件大小: 0K
描述: MOD USB HS FT4232H EVAL
產(chǎn)品變化通告: Part Number Change Jan 2011
產(chǎn)品目錄繪圖: FT(22, 42)32HQ MINI MOD
標(biāo)準(zhǔn)包裝: 5
主要目的: 接口,USB 2.0 至 UART(RS232)電橋
嵌入式: 是,ASIC
已用 IC / 零件: FT4232H
主要屬性: 高速,300 波特 ~ 12 M 波特,安全識(shí)別號(hào)
次要屬性: 仿真 JTAG、SPI、I2C、位響應(yīng)或其它同步串行
已供物品:
產(chǎn)品目錄頁面: 633 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: FT4232HQ - TRAY-ND - IC USB HS QUAD UART/SYNC 64-QFN
FT4232HL - TRAY-ND - IC USB HS QUAD UART/SYNC 64-LQFP
768-1027-6-ND - IC USB HS QUAD UART/SYNC 64-QFN
768-1026-6-ND - IC USB HS QUAD UART/SYNC 64-LQFP
768-1027-1-ND - IC USB HS QUAD UART/SYNC 64-QFN
768-1026-1-ND - IC USB HS QUAD UART/SYNC 64-LQFP
768-1027-2-ND - IC USB HS QUAD UART/SYNC 64-QFN
768-1026-2-ND - IC USB HS QUAD UART/SYNC 64-LQFP
其它名稱: 768-1031
FT4232HQ_MINI MOD
Copyright 2010 Future Technology Devices International Limited
34
Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.2
Clearance No.: FTDI#78
6.4 4 Channel Transmit and Receiver LED Indication Example
The following example illustrates how a 74HCT595 can be used to decode the EEDATA data to indicate Tx
and Rx on each of the channels. The associated LED will light when the Channel is transmitting or
receiving data.
EECS
PWREN#
EECLK
EEDATA
VIO= VCCIO
SN74HC595D
Figure 6.6 Using 74HC595 to Indicate Tx and Rx Data
In this configuration, the LEDs will flash when the EEPROM is accessed e.g. during enumeration.
Under normal operation, the EECS is held low to disable access to the EEPROM. In this special case, the
EECLK (frequency = 1.56S) will clock the EEDATA into the 74HC595 shift register (with EECS low,
therefore EEPROM ignores the EEDATA). Then EECS will pulse high. The rising edge of the EECS latches
the data into a storage register of the 74HC595 which drives the LEDs.
Please refer to the 74HC595 datasheet for further explanation.
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