DS33Z11+ Maxim Integrated Products, DS33Z11+ Datasheet - Page 92
![IC MAPPER ETHERNET 169-CSBGA](/photos/6/93/69376/169-csbga_21-0354_sml.jpg)
DS33Z11+
Manufacturer Part Number
DS33Z11+
Description
IC MAPPER ETHERNET 169-CSBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS33Z11.pdf
(172 pages)
Specifications of DS33Z11+
Applications
Data Transport
Interface
SPI/Parallel
Voltage - Supply
1.8V, 3.3V
Package / Case
169-CSBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0: Queue Loopback Enable (QLP) If this bit set to 1, data received on the Serial Interface is looped back to
the Serial Interface transmitter. Received data will not be sent from the Serial Interface to the Ethernet Interface.
Buffered packet data will remain in queue until the loopback is removed.
9.5.3
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Note: The user should take care not to modify this register value during packet error insertion.
Bits 5 - 6: Transmit FCS Append Disable (TFAD) – This bit controls whether or not an FCS is appended to the
end of each packet. When equal to 0, the calculated FCS bytes are appended to packets. When set to 1, packets
are transmitted without FCS. In X.86 Mode, FCS is always 32 bits and is always appended to the packet.
Bit 4: Transmit FCS-16 Enable (TF16) – When 0, the FCS processing uses a 32-bit FCS. When 1, the FCS
processing uses a 16-bit FCS. In X.86 Mode, 32-bit FCS processing is enabled.
Bit 3: Transmit Bit Synchronous Inter-frame Fill Value (TIFV) – When 0, inter-frame fill is done with the flag
sequence (7Eh). When 1, inter-frame fill is done with all '1's. This bit is ignored in byte synchronous mode. In X.86
mode the interframe flag is always 7E.
Bit 2: Transmit Scrambling Disable (TSD) – When equal to 0, X
scrambling is disabled. Note that in hardware mode, transmit scrambling is controlled by the SCD hardware pin.
Bit 1: Transmit Bit Reordering Enable (TBRE) – When equal to 0, bit reordering is disabled (The first bit
transmitted is from the MSB of the transmit FIFO byte TFD [7]). When set to 1, bit reordering is enabled (The first
bit transmitted is from the LSB of the transmit FIFO byte TFD [0]). Note that this function can be controlled in
Hardware mode with the BREO hardware pin.
Bit 0: Transmit Initiate Automatic Error Insertion (TIAEI) – This write-only bit initiates error insertion. See the
LI.TEPHC register definition for details of usage.
Transmit HDLC Processor Registers
7
0
7
0
-
-
6
0
6
0
-
-
LI.LPBK
Serial Interface Loopback Control Register
0C2h
LI.TPPCL
Transmit Packet Processor Control Low Register
0C4h
TFAD
5
0
5
0
-
92 of 172
TF16
4
0
4
0
-
TIFV
43
3
0
3
0
-
+1 scrambling is performed. When set to 1,
TSD
2
0
2
0
-
TBRE
1
0
1
0
-
TIAEI
QLP
0
0
0
0
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