參數(shù)資料
型號： VNC2-48L1B-TRAY
廠商： FTDI, Future Technology Devices International Ltd
文件頁數(shù)： 55/88頁
文件大?。?/td> 0K
描述： IC USB HOST/DEVICE CTRL 48-LQFP
應(yīng)用說明： Vinculum-II IO Cell Description AppNote
Vinculum-II Debug Interface Description AppNote
Vinculum-II IO Mux Explained AppNote
Vinculum-II PWM Example AppNote
Migrating Vinculum Designs AppNote
標(biāo)準(zhǔn)包裝： 250
系列： Vinculum-II
控制器類型： USB 2.0 控制器
接口： USB，主機/設(shè)備配置，UART，SPI，PWM，閃存 256K，DMA 4CH
電源電壓： 1.62 V ~ 1.98 V
電流 - 電源： 25mA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 托盤
其它名稱： VNC2-48L1A-TRAY
VNC2-48L1A-TRAY-ND
59
Copyright 2009-2011 Future Technology Devices International Limited
Datasheet
Vinculum-II Embedded Dual USB Host Controller IC
Version 1.5
Document No.: FT_000138 Clearance No.: FTDI# 143
64 Pin
Package
Available
pins
48 Pin
Package
Available
pins
32 Pin
Package
Available
pins
Name
Type
Description
12, 16,
20, 25,
29, 40,
44, 48,
52, 58,
62
12,16,
21, 32,
36, 42,
46
12, 24,
30
fifo_txe#
Output
When high, do not write data into the FIFO.
When low, data can be written into the FIFO
by strobing fifo_wr# high, then low.
13, 17,
22, 26,
31, 41,
45, 49,
55, 59,
63
13, 18,
22, 33,
37, 43,
47
14, 25,
31
fifo_rd#
Input
Enables the current FIFO data byte on
D0...D7 when low. Fetches the next FIFO
data byte (if available) from the receive
FIFO buffer when fifo_rd# goes from high to
low
14, 18,
23, 27,
32, 42,
46, 50,
56, 60,
64
14, 19,
23, 34,
38, 44,
48
15, 26,
32
fifo_wr#
Input
Writes the data byte on the D0...D7 pins
into the transmit FIFO buffer when fifo_wr#
goes from high to low.
Table 6.16 Data and Control Bus Signal Mode Options - Parallel FIFO Interface
6.6.2 Read / Write Transaction Asynchronous FIFO Mode
When in Asynchronous FIFO interface mode, the timing of read and write operations on the FIFO
interface are shown in Figure 6.22 and Table 6.17.
In asynchronous mode an external device can control data transfer driving FIFO_WR# and FIFO_RD#
inputs. In contrast to synchronous mode, in asynchronous mode the 245 FIFO module generates the
output enable EN# signal. EN# signal is effectively the read signal RD#.
Current byte is available to be read when FIFO_RD# goes low. When FIFO_RD# goes high, FIFO_RXF#
output will also go high. It will only become low again when there is another byte to read.
When FIFO_WR# goes low FIFO_TXE# flag will always go high. FIFO_TXE# goes low again only when
there is still space for data to be written in to the module.
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VNC2-48L1C-REEL
VNC2-48L1C-TRAY 功能描述:IC USB HOST/DEVICE CTRL 48-LQFP 制造商:ftdi, future technology devices international ltd 系列:Vinculum-II 包裝:托盤 零件狀態(tài):在售 協(xié)議:USB 功能:控制器 接口:SPI，UART 標(biāo)準(zhǔn):USB 2.0 電壓 - 電源:1.8V， 3.3V 電流 - 電源:25mA 工作溫度:-40°C ~ 85°C 封裝/外殼:48-LQFP 供應(yīng)商器件封裝:48-LQFP（7x7） 標(biāo)準(zhǔn)包裝:250
VNC2-48Q1A-REEL 功能描述:USB 接口集成電路 Obsolete see VNC2-48Q1B-REEL RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型: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
VNC2-48Q1A-TRAY 功能描述:USB 接口集成電路 Obsolete see VNC2-48Q1B-TRAY RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型: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
VNC2-48Q1B 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER USB VINCULUM II 48QFN 制造商:Future Technology Devices International (FTDI Chip) 功能描述:CONTROLLER, USB, VINCULUM II, 48QFN
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