DS3163 Maxim Integrated Products, DS3163 Datasheet - Page 178
DS3163
Manufacturer Part Number
DS3163
Description
IC TRPL ATM/PACKET PHY 400-PBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3163.pdf
(384 pages)
Specifications of DS3163
Applications
*
Mounting Type
Surface Mount
Package / Case
400-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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The bits in a byte are received MSB first, LSB last. When they are output serially, they are output MSB first, LSB
last. The bits in a byte in an incoming signal are numbered in the order they are received, 1 (MSB) to 8 (LSB).
However, when a byte is stored in a register, the MSB is stored in the lowest numbered bit (0), and the LSB is
stored in the highest numbered bit (7). This is to differentiate between a byte in a register and the corresponding
byte in a signal.
See
Figure 10-44. HDLC Controller Block Diagram
10.11.2 Features
•
•
•
•
•
•
10.11.3 Transmit FIFO
The Transmit FIFO block contains memory for 256 bytes of data with data status information and controller circuitry
for reading and writing the memory. The Transmit FIFO controller functions include filling the memory, tracking the
memory fill level, maintaining the memory read and write pointers, and detecting memory overflow and underflow
conditions. The Transmit FIFO receives data and status from the microprocessor interface, and stores the data
along with the data status information in memory. The Transmit Packet Processor reads the data and data status
information from the Transmit FIFO. The Transmit FIFO also outputs FIFO fill status (empty/data storage
available/full) via the microprocessor interface. All operations are byte based. The Transmit FIFO is considered
empty when its memory does not contain any data. The Transmit FIFO is considered to have data storage
available when its memory has a programmable number of bytes or more available for storage. The Transmit FIFO
is considered full when it does not have any space available for storage. The Transmit FIFO accepts data from the
register interface until full. If the Transmit FIFO is written to while the FIFO is full, the write is ignored, and a FIFO
overflow condition is declared. The Transmit Packet Processor reads the Transmit FIFO. If the Transmit Packet
Processor attempts to read the Transmit FIFO while it is empty, a FIFO underflow condition is declared.
Programmable inter-frame fill – The inter-frame fill between packets can be all 1’s or flags.
Programmable FCS generation/monitoring – An FCS-16 can be generated and appended to the end of the
packet, and the FCS can be checked and removed from the end of the packet.
Programmable bit reordering – The packet data can be can be output MSB first or LSB first from the FIFO.
Programmable data inversion – The packet data can be inverted immediately after packet processing on the
transmit, and immediately before packet processing on the receive.
Fully independent transmit and receive paths
Fully independent Line side and register interface timing – The data storage can be read from or written to
via the microprocessor interface while all line side clocks and signals are inactive, and read from or written to
via the line side while all microprocessor interface clocks and signals are inactive.
Figure 10-44
Adapter
Clock
Rate
for the location of HDLC controllers within the DS316x devices.
Decoder
Encoder
B3ZS/
B3ZS/
HDB3
HDB3
TUA1
TAIS
IEEE P1149.1
JTAG Test
Access Port
FEAC
DS3 / E3
Transmit
Receive
Framer
DS3 / E3
Formatter
Buffer
Trace
Trail
HDLC
GEN
UA1
FRAC/
PLCP
TX
RX FRAC/
PLCP
Processor
Processor
RX BERT
Processor
Processor
Tx Packet
TX BERT
Packet
Tx Cell
Microprocessor
Cell
Rx
Rx
Interface
FIFO
Tx
FIFO
Rx
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