參數(shù)資料
型號(hào)： FT2232C
廠商： Electronic Theatre Controls, Inc.
英文描述： FT2232C Dual USB UART / FIFO I.C.
中文描述： FT2232C雙USB的UART / FIFO的集成電路
文件頁(yè)數(shù)： 44/51頁(yè)
文件大小： 907K
代理商： FT2232C
DS2232C Version 1.4
Future Technology Devices International Ltd. 2005 Page 44 of 54
FT2232C Dual USB UART / FIFO I.C.
Figure 30 - MCU Host Bus Emulation Mode Signal Timing - Read Cycle
OSC
A15..A8
AD7..0
ALE
CS#
RD#
High Address
Low Address
t1
t2
t3
t4
t5
t6
t7
t8
t9
IORDY
Hi-Z
Time
t1
t2
t3
t4
t5
Description
High address byte is placed on the bus if the extended read is used - otherwise t1 will not occur.
Low address byte is put out.
1 clock period for address set up.
ALE goes high to enable address latch. This will extend to 2 clocks wide if IORDY is low.
ALE goes low to latch address, and CS# is set active low. This will extend to 3 clocks if IORDY is sampled
low. CS# will always drop 1 clock after ALE has gone high no matter the state of IORDY.
Data is set as input (Hi-Z), and RD# is driven active low.
1 clock period for data setup. This will extend to 5 clocks wide if IORDY# is sampled low.
RD# is driven inactive high.
CS# is driven inactive 1/2 a clock period after RD# goes inactive, and the data bus is set back to output.
t6
t7
t8
t9
Figure 31 - MCU Host Bus Emulation Mode Signal Timing - Clock (OSC) Signal
t
high
OSC
t
low
t
period
Time
t
period
t
high
t
low
Description
Clock Period
Minimum
41.6
Typical Value
83.3
Maximum
125.0
Unit
ns
Clock signal high time
20.8
41.6
62.5
ns
Clock signal low time
20.8
41.6
62.5
ns
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FT2232C_04 制造商:FTDI 制造商全稱(chēng):FTDI 功能描述:Dual USB UART / FIFO I.C.
FT2232D 制造商:Future Technology Devices International 功能描述:UART 2-CH 3.3V/5V 48-Pin LQFP 制造商:Future Technology Devices International 功能描述:UART 2-CH 3.3V/5V 48-Pin LQFP Bulk 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB Full Speed to Dual Channel Serial UART/FIFO/JTAG/SPI/I2C IC - LQFP-48
FT2232D/TR 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO SMD 2232 LQFP48 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO, SMD, 2232, LQFP48 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO, SMD, 2232, LQFP48; USB Type:FIFO; USB Version:2.0; Supply Voltage Min:3V; Supply Voltage Max:5.25V; Digital IC Case Style:LQFP; No. of Pins:48; Data Rate:12Mbps; No. of Ports:2; Operating Temperature Min:-40C ;RoHS Compliant: Yes
FT2232D-REEL 功能描述:USB 接口集成電路 USB to Dual UART/ FIFO/SPI/JTAG/I2C RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
FT2232D-TRAY 制造商:Future Technology Devices International (FTDI Chip) 功能描述:DUAL USB TO SERIAL UART/FIFO IC
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