DS33R11+ Maxim Integrated Products, DS33R11+ Datasheet - Page 161
DS33R11+
Manufacturer Part Number
DS33R11+
Description
IC ETH TXRX T1/E1/J1 256-BGA
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.DS33R11.pdf
(344 pages)
Specifications of DS33R11+
Protocol
T1/E1/J1
Voltage - Supply
1.8V, 3.3V
Mounting Type
Surface Mount
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Drivers/receivers
-
- Current page: 161 of 344
- Download datasheet (12Mb)
11.5.3 Receive Serial Interface
Serial Receive Registers are used to control the HDLC Receiver associated with each Serial Interface. Note that
throughout this document HDLC Processor is also referred to as “Packet Processor”. The receive packet
processor block has seventeen registers.
11.5.3.1 Receive Serial Register Bit Descriptions
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0: Receive Data Enable Polarity (RDENPLT) Receive Data Enable Polarity. If set to 1, RDEN Low enables
reception of the bit.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 5: Receive FCS Processing Disable (RFPD) – When equal to 0, FCS processing is performed and FCS is
appended to packets. When set to 1, FCS processing is disabled (the packets do not have an FCS appended). In
X.86 mode, FCS processing is always enabled.
Bit 4: Receive FCS-16 Enable (RF16) – When 0, the error checking circuit uses a 32-bit FCS. When 1, the error
checking circuit uses a 16-bit FCS. This bit is ignored when FCS processing is disabled. In X.86 mode, the FCS is
always 32 bits.
Bit 3: Receive FCS Extraction Disable (RFED) – When 0, the FCS bytes are discarded. When 1, the FCS bytes
are passed on. This bit is ignored when FCS processing is disabled. In X.86 mode, FCS bytes are discarded.
Bit 2: Receive Descrambling Disable (RDD) – When equal to 0, X
1, descrambling is disabled.
Bit 1: Receive Bit Reordering Enable (RBRE) – When equal to 0, reordering is disabled and the first bit received
is expected to be the MSB DT [7] of the byte. When set to 1, bit reordering is enabled and the first bit received is
expected to be the LSB DT [0] of the byte.
Bit 0: Receive Clear Channel Enable (RCCE) – When equal to 0, packet processing is enabled. When set to 1,
the device is in clear channel mode and all packet-processing functions except descrambling and bit reordering are
disabled.
7
0
7
0
-
-
6
0
6
0
-
-
LI.RSLCR
Receive Serial Interface Configuration Register
100h
LI.RPPCL
Receive Packet Processor Control Low Register
101h
RFPD
5
0
5
0
-
161 of 344
RF16
0
0
4
4
-
RFED
3
0
3
0
-
43
+1 descrambling is performed. When set to
RDD
2
0
2
0
-
RBRE
1
0
1
0
-
RDENPLT
RCCE
0
0
0
0
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