DS3170+ Maxim Integrated Products, DS3170+ Datasheet - Page 138
![IC TXRX DS3/E3 100-CSBGA](/photos/6/94/69414/100-csbga_21-0153b_sml.jpg)
DS3170+
Manufacturer Part Number
DS3170+
Description
IC TXRX DS3/E3 100-CSBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3170.pdf
(230 pages)
Specifications of DS3170+
Function
Single-Chip Transceiver
Interface
DS3, E3
Number Of Circuits
1
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
120mA
Operating Temperature
0°C ~ 70°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)
-
- Current page: 138 of 230
- Download datasheet (3Mb)
Bit 2: Receive Framer IO Signal Timing Select (RFTS). This bit controls the timing reference for the signals on
the receive framer interface IO pins. The pins controlled are RSER, RSOFO / RDEN. See
details.
Bit 1: Transmit Framer IO Signal Timing Select (TFTS). This bit controls the timing reference for the signals on
the transmit framer interface IO pins. The pins controlled are TSOFIn, TSER, and TSOFO / TDEN. See
for more details.
Bit 0: Transmit Line IO Signal Timing Select (TLTS). This bit controls the timing reference for the signals on the
transmit line interface IO pins. The pins controlled are TPOS / TDAT and TNEG. See
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit #
Name
Default
Bits 10 to 8: Loopback Mode [2:0] (LBM[2:0]). These bits select the loopback modes for analog loopback (ALB),
line loopback (LLB), payload loopback (PLB) and diagnostic loopback (DLB). See
select codes. Default: No Loopback.
Bits 7 to 4: General Purpose IO B Output Select[3:0] (GPIOB[3:0]) These bits determine which alarm status
signal to output on the GPIO2, pin. The GPIO pin must be enabled by setting the bits in the
GL.CR2
codes.
Bits 3 to 0: General Purpose IO A Output Select[3:0] (GPIOA[3:0]) These bits determine which alarm status
signal to output on the GPIO1 pin. The GPIO pin must be enabled for output by setting the bits in the
register. See
LBM[2:0]
10X
000
001
010
011
110
111
0 = Use output clocks for timing reference
1 = Use input clocks for timing reference
0 = Use output clocks for timing reference
1 = Use input clocks for timing reference
0 = Use output clocks for timing reference
1 = Use input clocks for timing reference
registers to output the selected alarm signal. See
GPIOB3
Table 10-15
15
--
0
7
0
ALB
0
1
0
0
0
0
0
GPIOB2
for configuration settings. See
14
--
0
6
0
LLB
0
0
1
0
0
1
0
PORT.CR4
Port Control Register 4
046h
PLB
GPIOB1
0
0
0
1
0
0
0
13
--
0
5
0
DLB
0
0
0
0
1
1
1
GPIOB0
138 of 230
12
--
0
4
0
Table 10-16
Table 10-15.
RESERVED
GPIOA3
11
0
3
0
below for the alarm select codes.
DS3170 DS3/E3 Single-Chip Transceiver
See
GPIOA2
LBM2
10
0
2
0
Table 10-16
Table 10-6
Table 10-17
GPIOA1
LBM1
9
0
1
0
Table 10-8
for the alarm select
for more details.
for the loopback
GL.GIOCR
GPIOA0
GL.GIOCR
Table 10-7
LBM0
for more
8
0
0
0
and
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