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PDF VNC1L-1A Data sheet ( Hoja de datos )
| Número de pieza | VNC1L-1A | |
| Descripción | Vinculum VNC1L Embedded USB Host Controller IC | |
| Fabricantes | FTDI | |
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Document Reference No.: FT_000030
Vinculum VNC1L Embedded USB Host Controller IC Datasheet Version 2.02
Clearance No.: FTDI# 50
Future Technology
Devices International Ltd.
Vinculum VNC1L
Embedded USB Host
Controller IC
Datasheet
The VNC1L is a single chip embedded
dual USB host controller with the
following advanced features:
Two independent USB 2.0 Low-speed/Full-
speed USB host ports.
Individual ports can be configured as host or
slave.
Configurable options to interface to external
Command Monitor via either UART, FIFO or
SPI slave interface.
Entire USB protocol handled on the chip.
Integrated pull-up and pull-down resistors.
Integrated FTDI proprietary, 8/32-bit
embedded MCU processor core -Vinculum
MCU (VMCU) - using “enhanced CISC”
technology.
Integrated, reconfigurable, 64k bytes of
embedded Flash (E-FLASH) memory to store
firmware. 4k bytes data RAM.
Field upgradeable firmware over UART or
USB.
Integrated Numeric Co-Processor (NCP)
enhances 32 bit arithmetic speeds.
Twin DMA controllers (one per USB interface)
provide hardware acceleration of data transfer
from USB to external IO bus.
Operational configuration via a choice of free,
downloadable firmware – no external software
control required.
Four fully configurable data and control I/O
buses providing up to 28 pins of general
purpose I/O.
Integrated firmware allows read from and write
to FAT format USB Flash keys.
Supports bus powered, self powered and high-
power bus powered USB configurations.
Programmable via UART interface.
+3.3V single supply operation with 5V safe
inputs.
Low power operation (25mA operational, 2mA
in standby).
-40°C to +85°C extended operating
temperature range.
Available in compact Pb-free 48 Pin LQFP
package (RoHS compliant).
Vinculum is part of Future Technology Devices International Ltd. Neither the whole nor any part of the information contained in, or the
product described in this manual, may be adapted or reproduced in any material or electronic form without the prior written consent of
the copyright holder. This product and its documentation are supplied on an as-is basis and no warranty as to their suitability for any
particular purpose is either made or implied. Future Technology Devices International Ltd will not accept any claim for damages
howsoever arising as a result of use or failure of this product. Your statutory rights are not affected. This product or any variant of it is
not intended for use in any medical appliance, device or system in which the failure of the product might reasonably be expected to
result in personal injury. This document provides preliminary information that may be subject to change without notice. No freedom to
use patents or other intellectual property rights is implied by the publication of this document. Future Technology Devices International
Ltd, Unit 1, 2 Seaward Place, Centurion Business Park, Glasgow G41 1HH United Kingdom. Scotland Registered Number: SC136640
Copyright © 2009 Future Technology Devices International Limited
1
1 page  
Document Reference No.: FT_000030
Vinculum VNC1L Embedded USB Host Controller IC Datasheet Version 2.02
Clearance No.: FTDI# 50
Table of Contents
1 Typical Applications ........................................................ 2
1.1 Firmware Support and VNC1L Programming ............................. 2
1.2 Part Numbers............................................................................ 2
1.3 Programming VNC1L ................................................................. 2
2 VNC1L Block Diagram...................................................... 4
3 Device Pin Out and Signal Description............................. 7
3.1 48 Lead LQFP Pin Out................................................................ 7
3.2 48 Lead LQFP Package Pin Descriptions.................................... 8
4 Functional Description .................................................. 12
4.1 Key Features ........................................................................... 12
4.2 Functional Block Descriptions ................................................. 12
4.3 Programming VNC1L ............................................................... 13
5 Firmware Control Interface ........................................... 14
5.1 UART Interface ....................................................................... 14
5.1.1 UART Mode Signal Descriptions ................................................................. 15
5.2 SPI Interface .......................................................................... 16
5.2.1 Signal Descriptions .................................................................................. 16
5.2.2 SPI Master Data Read Transaction ............................................................. 17
5.2.3 SPI Master Data Transaction ..................................................................... 18
5.2.4 SPI Master Status Read Transaction........................................................... 19
5.3 Parallel FIFO Interface............................................................ 20
5.3.1
5.3.2
5.3.3
Signal Descriptions .................................................................................. 20
Read Transaction..................................................................................... 21
Write Transaction .................................................................................... 22
6 Device Characteristics and Ratings ............................... 23
6.1 Absolute Maximum Ratings..................................................... 23
6.2 DC Characteristics................................................................... 23
7 Application Examples .................................................... 25
7.1 Example VNC1L Schematic (MCU – UART Interface) ............... 25
7.2 Block Diagram - VNC1L Programming Via USB Interface ........ 26
8 Package Parameters ..................................................... 27
8.1 LQFP-48 Dimensions ............................................................... 27
8.2 Solder Reflow Profile .............................................................. 28
Copyright © 2009 Future Technology Devices International Limited
5
5 Page 
Document Reference No.: FT_000030
Vinculum VNC1L Embedded USB Host Controller IC Datasheet Version 2.02
Clearance No.: FTDI# 50
Pin No.
Name
Type Description
UART
Interface
Combined Interface Mode
Parallel FIFO
Interface
SPI Slave
Interface
I/O Port
5V safe bidirectional
43 ACBUS2 I/O
data/control bus, AC bit 2
RD#
PortAC2
5V safe bidirectional
44 ACBUS3 I/O
data/control bus, AC bit 3
WR PortAC3
5V safe bidirectional
45 ACBUS4 I/O
data/control bus, AC bit 4
DATAREQ# DATAREQ# PortAC4
5V safe bidirectional
data/control bus, AC bit 5,
46 ACBUS5 I/O
Interface mode selection
pin
DATAACK# DATAACK# PortAC5
5V safe bidirectional
data/control bus, AC bit 6,
47 ACBUS6 I/O
Interface mode selection
pin
PortAC6
5V safe bidirectional
data/control bus, AC bit 7.
To use a 12MHz crystal
with VNC1L fit a 47kΩ
pull-down resistor.
Alternatively, fitting a
48
ACBUS7
I/O 47kΩ pull-up resistor on
this pin will switch off the
internal clock multiplier,
allowing the device to be
fed with an external
48MHz clock signal into
XTIN
Table 3.4 Data and Control Signals
PortAC7
Copyright © 2009 Future Technology Devices International Limited
11
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