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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  
5.7 I/O Mux Interface Configuration Example  
This example shows how to set a UART interface on the VNC2 64 pin package. The UART is made up of  
two output signals (uart_txd and uart_rts#) and two input signals (uart_rxd and uart_cts#). For PCB  
design it is best to have the four pins of the UART interface adjacent to each other. This can be achieved  
easily since the four signals are members of each different groups. Figure 5.1 clearly shows that the four  
groups are adjacent to each other. So the four adjacent pins can be used for the UART interface as long  
as they are selected one from each of the four groups. Tables 9, 10, 11 & 12 can now be used to select  
where the UART interface can be placed. Figure 5.6 shows the four UART signal selected on pins 11, 12,  
13 & 14 however they could have been selected on any of the other four pins highlighted in blue dashed  
lines.  
54 38 21  
2
3
11  
12  
13  
V
V
C
C
I
V
C
C
I
V
C
C
I
V
C
C
uart_txd group0  
uart_rxd group1  
uart_rts# group2  
uart_cts# group3  
IOBUS0  
IOBUS1  
IOBUS2  
IOBUS3  
IOBUS4  
C
C
P
L
O
O
O
14  
15  
16  
17  
18  
L
33  
USB1DP  
34  
36  
37  
IOBUS5  
IOBUS6  
IOBUS7  
USB1DM  
USB2DP  
USB2DM  
19  
20  
22  
IOBUS8  
IOBUS9  
IOBUS10  
IOBUS11  
IOBUS12  
4
5
23  
24  
25  
26  
27  
XTIN  
XTOUT  
IOBUS13  
IOBUS14  
IOBUS15  
9
28  
29  
31  
RESET#  
PROG#  
IOBUS16  
IOBUS17  
IOBUS18  
IOBUS19  
IOBUS20  
10  
VNC2  
64 Pin  
32  
39  
40  
41  
42  
7
8
VREG OUT  
NC  
IOBUS21  
IOBUS22  
IOBUS23  
43  
44  
45  
IOBUS24  
IOBUS25  
IOBUS26  
IOBUS27  
IOBUS28  
46  
47  
48  
49  
50  
64  
IOBUS43  
63  
62  
61  
IOBUS42  
IOBUS41  
IOBUS40  
IOBUS29  
IOBUS30  
IOBUS31  
60  
59  
58  
57  
IOBUS39  
IOBUS38  
IOBUS37  
IOBUS36  
51  
52  
IOBUS32  
IOBUS33  
IOBUS34  
IOBUS35  
55  
56  
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
P
L
L
1
6
30 35 53  
Figure 5.6 UART Example 64 pin  
35  
Copyright © Future Technology Devices International Limited  
 
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