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VNC2-48Q1B-TRAY 参数 Datasheet PDF下载

VNC2-48Q1B-TRAY图片预览
型号: VNC2-48Q1B-TRAY
PDF下载: 下载PDF文件 查看货源
内容描述: [Vinculum-II Embedded Dual USB Host Controller IC]
分类和应用:
文件页数/大小: 88 页 / 2234 K
品牌: FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
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Datasheet  
Vinculum-II Embedded Dual USB Host Controller IC  
Version 1.7  
Document No.: FT_000138 Clearance No.: FTDI#143  
Time  
t1  
Description  
CLKOUT period  
Minimum  
Typical  
20.83  
Maximum  
Unit  
ns  
t2  
CLKOUT high period  
CLKOUT low period  
CLKOUT to RXF#  
9.38  
9.38  
1
10.42  
11.46  
11.46  
7.83  
ns  
t3  
10.42  
ns  
t4  
ns  
CLKOUT to  
read DATA valid  
t5  
1
7.83  
ns  
t6  
t7  
OE# to read DATA valid  
CLKOUT to OE#  
1
1
7.83  
7.83  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
t8  
RD# setup time  
12  
0
t9  
RD# hold time  
t10  
t11  
t12  
t13  
t14  
CLKOUT TO TXE#  
Write DATA setup time  
Write DATA hold time  
WR# setup time  
1
7.83  
12  
0
12  
0
WR# hold time  
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  
63  
Copyright © Future Technology Devices International Limited  
 
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