LAN9303-ABZJ SMSC, LAN9303-ABZJ Datasheet - Page 300
![IC ETHER SW 3PORT 16BIT 56QFN](/photos/29/2/290201/lan9303_sml.jpg)
LAN9303-ABZJ
Manufacturer Part Number
LAN9303-ABZJ
Description
IC ETHER SW 3PORT 16BIT 56QFN
Manufacturer
SMSC
Specifications of LAN9303-ABZJ
Controller Type
Ethernet Switch Controller
Interface
SMBus (2-Wire/I²C)
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
190mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-QFN
Product
Ethernet Switches
Standard Supported
Yes
Data Rate
10 Mbps/100 Mbps
Supply Voltage (max)
3.6 V
Supply Voltage (min)
3 V
Supply Current (max)
0.19 A (Typ)
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
For Use With
638-1095 - EVALUATION BOARD FOR LAN9303
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
638-1082
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LAN9303-ABZJ
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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Revision 1.4 (07-07-10)
13.4.3.26
BITS
31:8
6:5
4:0
7
RESERVED
Ingress Rate RnW
These bits specify a read(1) or write(0) command.
Type
These bits select between the ingress rate metering/color table registers as
follows:
00 = RESERVED
01 = Committed Information Rate Registers
10 = Committed Burst Register
11 = Excess Burst Register
CIR Address
These bits select one of the 24 Committed Information Rate registers.
When Rate Mode is set to Source Port & Priority in the
Ingress Rate Configuration Register
set of 8 registers (CIR addresses 0-7) are for to Port 0, the second set of 8
registers (CIR addresses 8-15) are for Port 1, and the third set of registers
(CIR addresses 16-23) are for Port 2. Priority 0 is the lower register of each
set (e.g. 0, 8, and 16).
When Rate Mode is set to Source Port Only, the first register (CIR address
0) is for Port 0, the second register (CIR address 1) is for Port 1, and the
third register (CIR address 2) is for Port 2.
When Rate Mode is set to Priority Only, the first register (CIR address 0) is
for priority 0, the second register (CIR address 1) is for priority 1, and so
forth up to priority 23.
Note:
Switch Engine Ingress Rate Command Register (SWE_INGRSS_RATE_CMD)
This register is used to indirectly read and write the ingress rate metering/color table registers. A write
to this address performs the specified access.
For a read access, the
Register (SWE_INGRSS_RATE_CMD_STS)
Engine Ingress Rate Read Data Register (SWE_INGRSS_RATE_RD_DATA)
F o r a w r i t e a c c e s s , t h e
(SWE_INGRSS_RATE_WR_DATA)
Engine Ingress Rate Command Status Register (SWE_INGRSS_RATE_CMD_STS)
command is finished.
For details on 16-bit wide Ingress Rate Table registers indirectly accessible by this register, see
Section 13.4.3.26.1
Values outside of the valid range may cause unexpected results.
Register #:
below.
Operation Pending
184Bh
DESCRIPTION
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
(SWE_INGRSS_RATE_CFG), the first
DATASHEET
S w i t c h E n g i n e I n g r e s s R a t e W r i t e D a t a R e g i s t e r
should be written first. The
300
bit in the
(uses CIS Address field)
indicates when the command is finished. The
Size:
Switch Engine
Switch Engine Ingress Rate Command Status
32 bits
Operation Pending
TYPE
can then be read.
R/W
R/W
R/W
SMSC LAN9303/LAN9303i
RO
indicates when the
bit in the
DEFAULT
00b
Datasheet
0b
0h
-
Switch
Switch
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