參數(shù)資料
型號(hào): FT4232H MINI MODULE
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 10/45頁(yè)
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(yè)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
18
Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.2
Clearance No.: FTDI#78
4.3.2 RS422 Configuration
Figure 4.2 illustrates how the FT4232H can be configured as a dual RS422 interface. The FT4232H can
have all 4 channels connected as RS422, but only channel A and channel C are shown for clarity.
Figure 4.2 Dual RS422 Configuration
In this case both channel A and channel C are configured as UART operating at TTL levels and a level
converter device (full duplex RS485 transceiver) is used to convert the TTL level signals from the
FT4232H to RS422 levels. The PWREN# signal is used to power down the level shifters such that they
operate in a low quiescent current when the USB interface is in suspend mode.
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