LAN9311-NZW Standard Microsystems (SMSC), LAN9311-NZW Datasheet - Page 107
![no-image](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__sml.jpg)
LAN9311-NZW
Manufacturer Part Number
LAN9311-NZW
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9311-NZW.pdf
(460 pages)
Specifications of LAN9311-NZW
Number Of Primary Switch Ports
2
Internal Memory Buffer Size
32
Operating Supply Voltage (typ)
3.3V
Fiber Support
No
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII
Power Supply Type
Analog
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9311-NZW
Manufacturer:
Standard
Quantity:
2
Company:
Part Number:
LAN9311-NZW
Manufacturer:
Microchip Technology
Quantity:
10 000
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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
8.5.4
D[15:0] (OUTPUT)
PIO Reads
PIO reads can be used to access System CSR’s or RX Data and RX/TX Status FIFOs. PIO reads can
be performed using Chip Select (nCS) or Read Enable (nRD). A PIO Read cycle begins when both
nCS and nRD are asserted. Either or both of these control signals must de-assert between cycles for
the period specified in
either or both nCS and nRD are de-asserted. They may be asserted and de-asserted in any order.
Read data is valid as indicated in the functional timing diagram in
The endian select signal (END_SEL) has the same timing characteristics as the address lines.
Please refer to
for PIO read operations.
Note: Some registers have restrictions on the timing of back-to-back write-read cycles. Please refer
END_SEL
nCS, nRD
to
Section 8.5.2
A[x:1]
Section 15.5.4, "PIO Read Cycle Timing," on page 447
Figure 8.3 Functional Timing for PIO Read Operation
Table 15.8, “PIO Read Cycle Timing Values,” on page
for information on these restrictions.
DATASHEET
107
VALID
VALID
VALID
Figure
for the AC timing specifications
8.3.
447. The cycle ends when
Revision 1.7 (06-29-10)
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