VNC2-32Q1B-TRAY FTDI, Future Technology Devices International Ltd, VNC2-32Q1B-TRAY Datasheet - Page 52
VNC2-32Q1B-TRAY
Manufacturer Part Number
VNC2-32Q1B-TRAY
Description
IC USB HOST VINCULUM-II 32QFN
Manufacturer
FTDI, Future Technology Devices International Ltd
Series
Vinculum-IIr
Datasheet
1.VNC2-32Q1B-REEL.pdf
(90 pages)
Specifications of VNC2-32Q1B-TRAY
Mfg Application Notes
Vinculum-II IO Cell Description AppNote Vinculum-II Debug Interface Description AppNote Vinculum-II IO Mux Explained AppNote Vinculum-II PWM Example AppNote Migrating Vinculum Designs AppNote
Controller Type
USB 2.0 Controller
Interface
SPI Serial, USB, UART
Voltage - Supply
1.62 V ~ 1.98 V
Current - Supply
25mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
VNC2-32Q1A-TRAY
VNC2-32Q1A-TRAY
VNC2-32Q1A-TRAY
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Figure 6-16 SPI Slave Mode Timing
Table 21 SPI Slave Data Timing
6.3.6.2 SPI Master Data Read Transaction in VNC1L legacy mode
The SPI master must periodically poll for new data in VNC2 Transmit Buffer. It is recommended that this
is done first before sending any command.
The Start and Setup sequence is sent to VNC2 by the SPI master, see Figure 6-17.
The VNC2 clocks out data from its Transmit Buffer on subsequent rising edge clock cycles provided by the
SPI master. This is followed by a status bit generated by VNC2. The Data Read status bit is defined in
Table 22.
If the status bit indicates New Data then the byte received is valid. If it indicates Old Data then the
Transmit Buffer in VNC2 is empty and the byte of data received in the current transaction should be
disregarded.
Time
T1
T2
T3
T4
T5
T6
MISO/SS hold time from
MISO/SS setup time to
SCLK driving edge to
sample SCLK edge
sample SCLK edge
SCLK high period
SCLK low period
SCLK period
MISO/MOSI
Description
Copyright © 2010 Future Technology Devices International Limited
VINCULUM-II EMBEDDED DUAL USB HOST CONTROLLER IC Datasheet
Minimum
79.37
39.68
39.68
0.5
3
Typical
83.33
41.67
41.67
Maximum
39.68
39.68
14
3
Document No.: FT_000138
Clearance No.: FTDI#
Unit
ns
ns
ns
ns
ns
ns
Version -
143
1.2
52
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