參數(shù)資料
型號(hào): FT2232H MINI MODULE
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 26/67頁(yè)
文件大小: 0K
描述: MOD USB HS FT2232H 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、JTAG、SPI、I2C
嵌入式:
已用 IC / 零件: FT2232H
主要屬性: 高速,異步串行數(shù)據(jù),300 波特 ~ 12 Mbaud,TTL 級(jí)
次要屬性: JTAG、SPI 和 I2C 上同步串行(MPSSE)數(shù)據(jù)傳輸速度高達(dá) 30Mbps
已供物品:
產(chǎn)品目錄頁(yè)面: 633 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: 768-1010-6-ND - IC USB FS DUAL UART/FIFO 48-LQFP
768-1010-1-ND - IC USB FS DUAL UART/FIFO 48-LQFP
768-1010-2-ND - IC USB FS DUAL UART/FIFO 48-LQFP
其它名稱: 768-1030
FT2232HQ_MINI MOD
Copyright 2012 Future Technology Devices International Limited
32
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
4.6.1 MPSSE Adaptive Clocking
Adaptive clocking is a new MPSSE feature added to the FT2232H MPSSE engine.
The mode is effectively handshaking the CLK signal with a return clock RTCK. This is a technique used by
ARM processors.
The FT2232H will assert the CLK line and wait for the RTCK to be returned from the target device to
GPIOL3 line before changing the TDO (data out line).
FT2232H
ARM CPU
RTCK
TCK
TDO
GPIOL3
Figure 4.8 Adaptive Clocking Interconnect
TDO
TCK
RTCK
TDO changes on falling
edge of TCK
Figure 4.9: Adaptive Clocking waveform.
Adaptive clocking is not enabled by default.
See: AN_108 Command Processor for MPSSE and MCU Host Bus Emulation Modes.
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