DS3170N+ Maxim Integrated Products, DS3170N+ Datasheet - Page 160
DS3170N+
Manufacturer Part Number
DS3170N+
Description
IC TXRX DS3/E3 100-CSBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3170.pdf
(230 pages)
Specifications of DS3170N+
Function
Single-Chip Transceiver
Interface
DS3, E3
Number Of Circuits
1
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
120mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LBGA
Includes
DS3 Framers, E3 Framers, HDLC Controller, On-Chip BERTs
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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Bit 0: Receive FIFO Reset (RFRST) – When 0, the Receive FIFO will resume normal operations, however, data is
discarded until a start of packet is received after RAM power-up is completed. When 1, the Receive FIFO is
emptied, any transfer in progress is halted, the FIFO RAM is powered down, the RHDA bit is forced low, and all
incoming data is discarded.
Register Name:
Register Description:
Register Address:
Bit #
Name
Bit #
Name
Bit 2: Receive FIFO Full (RFF) – When 0, the Receive FIFO contains 255 or less bytes of data. When 1, the
Receive FIFO is full.
Bit 1: Receive FIFO Empty (RFE) – When 0, the Receive FIFO contains at least one byte of data. When 1, the
Receive FIFO is empty.
Bit 0: Receive HDLC Data Available (RHDA) – When 0, the Receive FIFO contains less data than the Receive
HDLC data available level (RDAL[4:0]). When 1, the Receive FIFO contains the same or more data than the
Receive HDLC data available level.
Register Name:
Register Description:
Register Address:
Bit #
Name
Bit #
Name
Bit 7: Receive FIFO Overflow Latched (RFOL) – This bit is set when a Receive FIFO overflow condition occurs.
An overflow condition results in a loss of data.
Bit 4: Receive Packet End Latched (RPEL) – This bit is set when an end of packet is stored in the Receive FIFO.
Bit 3: Receive Packet Start Latched (RPSL) – This bit is set when a start of packet is stored in the Receive FIFO.
Bit 2: Receive FIFO Full Latched (RFFL) – This bit is set when the RFF bit transitions from 0 to 1.
Bit 0: Receive HDLC Data Available Latched (RHDAL) – This bit is set when the RHDA bit transitions from 0 to
1.
RFOL
15
15
--
--
--
7
7
14
14
--
--
--
--
6
6
HDLC.RSR
HDLC Receive Status Register
0B4h
HDLC.RSRL
HDLC Receive Status Register Latched
0B6h
13
13
--
--
--
--
5
5
160 of 230
RPEL
12
12
--
--
--
4
4
RPSL
11
11
--
--
--
3
3
DS3170 DS3/E3 Single-Chip Transceiver
RFFL
RFF
10
10
--
--
2
2
RFE
--
--
--
9
1
9
1
RHDAL
RHDA
--
--
8
0
8
0
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