VNC1L-1A-TRAY FTDI, VNC1L-1A-TRAY Datasheet - Page 25

• Manufacturer Part Number: VNC1L-1A-TRAY
• Description: USB Interface IC USB Vinculum Host /Dev Ctrl IC LQFP-48
• Manufacturer: FTDI

Specifications of VNC1L-1A-TRAY

• Product Category: USB Interface IC
• Rohs: yes
• Operating Supply Voltage: 3.3 V
• Operating Supply Current: 25 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-48
• Minimum Operating Temperature: - 40 C
• Factory Pack Quantity: 250

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7.1 Example VNC1L Schematic (MCU – UART Interface)
VNC1L can be configured to communicate with a microcontroller using a UART interface. An example of
this is shown in Figure 7.1.
Figure 7.1 VNC1L Schematic (MCU - UART Interface)
Notes:
1. It is recommended that 68pF loading capacitors are used with the 12MHz oscillator.
2. VNC1L is shipped as a blank device. Initial in-circuit programming (using the downloaded .rom
3. When in bootstrap mode (PROG# is low and RESET# toggled) then ACBUS5 and ACBUS6 are
4. VNC1L can also be programmed, pre-assembly, using the VPROG1 VNC1L stand-alone
Application Examples
file) can only be done via the UART interface.
ignored and the device is forced into UART mode.
programmer – see
Copyright © 2009 Future Technology Devices International Limited
http://www.ftdichip.com
Vinculum VNC1L Embedded USB Host Controller IC Datasheet Version 2.02
Document Reference No.: FT_000030
Clearance No.: FTDI# 50
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