VNC2-64Q1B FTDI, VNC2-64Q1B Datasheet - Page 45
VNC2-64Q1B
Manufacturer Part Number
VNC2-64Q1B
Description
CONTROLLER, USB, VINCULUM II, 64QFN
Manufacturer
FTDI
Datasheet
1.VNC2-32Q1B-REEL.pdf
(90 pages)
Specifications of VNC2-64Q1B
Usb Type
Host Controller
Usb Version
2.0
Data Rate
12Mbps
No. Of Ports
2
Supply Voltage Range
1.62V To 1.98V, 2.97V To 3.63V
Operating Temperature Range
-40°C To +85°C
Digital Ic Case
RoHS Compliant
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Figure 6-6 Full Duplex Data Master Read
The command and status formats for this mode can be seen in
each field in Table 18:
Command:
Status:
Figure 6-7 SPI Command and Status Structure
Table 18 SPI Command and Status Fields
MOSI
MISO
A2:A0
R/W#
SS#
Field
RXF
ACK
TXE
Z
Address of slave being used in a multi-slave environment. This would typically be
used in the scenario where a shared data bus is used.
Set to ‘1’ for a read and ‘0’ for a write.
Tri-stated.
Transmit Empty.
When ‘1’ the Slave transmit buffer has no new data to transmit.
When ‘0’ the Slave transmit buffer does have new data.
Receive Full.
When ‘1’ the Slave receive buffer has new data which has not been read yet.
When ‘0’ the Slave receive buffer is empty and can be safely written to.
Set to ‘1’ when a Slave has correctly decoded its address.
A2
Copyright © 2010 Future Technology Devices International Limited
Z
8 bit CMD
STATUS
A1
VINCULUM-II EMBEDDED DUAL USB HOST CONTROLLER IC Datasheet
Z
A0
Z
R/W#
R0
Z
Description
TXE
Z
STATUS
Figure
RXF
Z
6-7 below with a description of
ACK
Z
Document No.: FT_000138
Clearance No.: FTDI#
Z
Z
R1
Version -
143
1.2
45
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