參數(shù)資料
型號: VNC2-32Q1B-TRAY
廠商: FTDI, Future Technology Devices International Ltd
文件頁數(shù): 60/88頁
文件大小: 0K
描述: IC USB HOST/DEVICE CTRL 32-QFN
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: 260
系列: Vinculum-II
控制器類型: USB 2.0 控制器
接口: USB,主機(jī)/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: 32-VQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(7x7)
包裝: 托盤
其它名稱: VNC2-32Q1A-TRAY
VNC2-32Q1A-TRAY-ND
63
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
Time
Description
Minimum
Typical
Maximum
Unit
t1
CLKOUT period
20.83
ns
t2
CLKOUT high period
9.38
10.42
11.46
ns
t3
CLKOUT low period
9.38
10.42
11.46
ns
t4
CLKOUT to RXF#
1
7.83
ns
t5
CLKOUT to
read DATA valid
1
7.83
ns
t6
OE# to read DATA valid
1
7.83
ns
t7
CLKOUT to OE#
1
7.83
ns
t8
RD# setup time
12
ns
t9
RD# hold time
0
ns
t10
CLKOUT TO TXE#
1
7.83
ns
t11
Write DATA setup time
12
ns
t12
Write DATA hold time
0
ns
t13
WR# setup time
12
ns
t14
WR# hold time
0
ns
Table 6.19 Synchronous FIFO mode Read / Write Timing
6.8 General Purpose Timers
In VNC2 there are 4 General Purpose Timers available. Three are available to the designer and one is
reserved for the RTOS.
The timers have the following features:
16 bit
Count down
One shot and auto-reload
enable
Interrupt on zero
6.9 Pulse Width Modulation
VNC2 provides 8 Pulse Width Modulation (PWM) outputs. These can be used to generate PWM signals
which can be used to control motors, DC/DC converters, AC/DC supplies, etc. Further information is
available in an Application Note AN_140 - Vinculum-II PWM Example.
The features of the PWM module are as follows:
8 PWM outputs
A trigger input
8-bit prescaler
16-bit counter
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