IOBUS0 datasheet(30/88 Pages) FTDI

30 / 88 page

C opyright © Future T ec hnology Devic es I nternational Limited

Datasheet

Vinculum-II Embedded Dual USB Host Controller IC

V ers ion 1 .7

Doc ument N o.: FT _000138 C learance N o.: FT DI# 1 43

5.2 I/O Multiplexer Configuration

The VNC2 I/O Multiplexer allows signals to be routed to different pins on the device. To simplify the

routing of signals, the VNC2 RTOS provides an utility (IOMux) to configure the I/O Multiplexer as the

designer requires.

The IOMux is fully integrated into the VNC2 IDE (Integrated development

Environment) which is available to download: Vinculum-II Toolchain. A screenshot of the IOMux utility is

shown in figure 5.5 below.

The IOMux utility user guide is available to download: VINCULUM-II IO_Mux Configuration Utility User

Guide

The following tables provide a lookup guide to determine what signals are available and the list of pins

that can be used:



Table 5.2 Group 0



Table 5.3 Group 1



Table 5.4 Group 2



Table 5.5 Group 3

Each VNC2 has a default state of IOBUS signals following a hard reset. The number of I/O pins available

is determined by the package size:



Package 32pin (LQFP & QFN)- Twelve I/O pins – IOBUS0 to IOBUS11



Package 48pin (LQFP & QFN)- Twenty eight I/O pins – IOBUS0 to IOBUS27



Package 64pin (LQFP & QFN)- Forty-four I/O pins – IOBUS0 to IOBUS43

Section 3.12 shows the default signal settings for all three package sizes.

Figure 5.5 VNC2 Toolchain App Wizard showing IOMux Configuration

IOBUS0 数据表(PDF) 30 Page - Future Technology Devices International Ltd.