FTDI recently announced the launch of its Vinculum VNC2 user programmable dual USB 2.0 host/slave intelligent SoC controller.
VNC2 enhances the initial member of the Vinculum family, the VNC1L, by reducing the device cost as well as introducing the capability for designers to develop their own application firmware and program the host controller themselves.
VNC2 comes with a royalty-free software development environment which includes a compiler, linker and debugger to fully utilise the increased memory and multitude of communication protocols handled by VNC2. The software developed toolkit is based on the C language and provides a comprehensive suite of object files to provide support for USB host functionality, including USB flash drive (B.O.M.S.) storage, HID, USB COMMs class and FAT file functionality.
The new chip includes a new, customised 16-bit MCU core, 256 KB on-chip programmable e-Flash program memory and 16 KB of SRAM data memory. The I/O communication capability has been enhanced to include two SPI slave controllers, an SPI master controller, one high-speed UART interface (up to 3 Mbps) plus a flexible 8-channel PWM block allowing precise 16-bit control of motors, servos and other analog application areas. In addition to these enhancements, VNC2’s 1-pin debugger interface, which functions independently of the MCU core, provides a simple yet sophisticated debugging/device programming interface.
VNC2 launches in three different pin-count sizes, 32LD, 48LD and 64LD supporting up to 44 user defined I/O pins. Each pin-count size is available in LQFP or the more compact QFN package option. Operating from a single +3,3 V d.c. supply, the VNC2 has a low standby current of typically 128 μA and also offers three low-power modes.
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