DS33X41+ Maxim Integrated Products, DS33X41+ Datasheet - Page 189
DS33X41+
Manufacturer Part Number
DS33X41+
Description
IC MAPPING ETHERNET 256CSBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS33X11.pdf
(375 pages)
Specifications of DS33X41+
Applications
Data Transport
Interface
Parallel/Serial
Voltage - Supply
1.8V, 2.5V, 3.3V
Package / Case
256-CSBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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10.4 Arbiter Registers
The Arbiter manages the transport between the Ethernet port and the Serial Interface. It is responsible for queuing
and dequeuing data to an external SDRAM. The arbiter handles requests from the HDLC and MAC to transfer data
to/from the SDRAM.
10.4.1 Arbiter Register Bit Descriptions
Register Name:
Register Description:
Register Address:
101h:
Default
100h:
Default
Bit 10: LAN Queue 1 Queue Pointer Reset
Bits 0-9: LAN Queue 1 Start Address [10-1] This register specifies the Start Address for the LAN Queue 1. The
value specifies the most significant 10 bits of the SDRAM absolute address.
Register Name:
Register Description:
Register Address:
103h:
Default
102h:
Default
Bit 10: LAN Queue 2 Queue Pointer Reset.
Bits 0-9: LAN Queue 2 Start Address [10-1] This register specifies the Start Address for the LAN Queue 2. The
value specifies the most significant 10 bits of the SDRAM absolute address.
Rev: 063008
________________________________________________ DS33X162/X161/X82/X81/X42/X41/X11/W41/W11
0 = No reset of the Queue Pointers (the user may be re-configuring to the same value)
1 = Momentary Reset of Queue Pointers (user is not required to change value to “0” to conclude reset)
0 = No reset of the Queue Pointers (the user may be re-configuring to the same value)
1 = Momentary Reset of Queue Pointers (user is not required to change value to “0” to conclude reset)
LQ1SA-8
LQ2SA-8
Bit 15
Bit 15
Bit 7
Bit 7
0
0
0
0
-
-
LQ1SA-7
LQ2SA-7
Bit 14
Bit 14
Bit 6
Bit 6
0
0
0
0
-
-
AR.LQ1SA
LAN Queue 1 Start Address
100h
AR.LQ2SA
LAN Queue 2 Start Address
102h
LQ1SA-6
LQ2SA-6
Bit 13
Bit 13
Bit 5
Bit 5
0
0
0
0
-
-
LQ1SA-5
LQ2SA-5
Bit 12
Bit 12
Bit 4
Bit 4
0
0
0
0
-
-
LQ1SA-4
LQ2SA-4
Bit 11
Bit 11
Bit 3
Bit 3
0
0
-
-
0
0
LQ1QPR
LQ2QPR
Bit 10
Bit 10
LQ1SA-3
LQ2SA-3
0
0
Bit 2
Bit 2
0
0
LQ1SA-10
LQ2SA-10
LQ1SA-2
LQ2SA-2
Bit 9
Bit 9
Bit 1
Bit 1
0
0
0
0
LQ1SA-9
LQ1SA-1
LQ2SA-9
LQ2SA-1
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Bit 8
Bit 0
Bit 8
Bit 0
0
0
0
0
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