DS3170+ Maxim Integrated Products, DS3170+ Datasheet - Page 61
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)
-
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Table 10-7. Transmit Framer Pin Signal Timing Source Select
10.2.3.3 Receive Line Interface Pin Timing Source Selection
(RPOS/RDAT, RNEG/RLCV)
The receive line interface signal pin group must clocked in with the RLCLK clock input pin. When the LIU is
enabled, the receive line interface pins are not used so there is no valid clock reference.
Table 10-8. Receive Line Interface Pin Signal Timing Source Select
10.2.3.4 Receiver Framer Pin Timing Source Selection
(RSER, RSOFO/RDEN)
The receive framer signal pin group has the same functional timing clock source as the RCLKO pin described in
Table
Other clock pins can be used for the external timing. The RCLKO receive clock output pin is always a valid output
clock for external logic to use for these signals when PORT.CR3.RFTS=0.
The receive framer timing select bit (RFTS) is used to select input or output clock pin timing. When RFTS=0, output
clock timing is selected. When RFTS=1, input clock timing is selected. If RFTS is set for input clock timing and an
output clock pin is used, or If RFTS is set for output clock timing and an input clock pin is used, then the setup, hold
and delay timings, as specified in
modes in which there is no input clock pin available for external timing since the clock source is derived internally
from the RX LIU or the CLAD.
X
X
1
1
1
0
0
0
0
0
0
0
0
0
10-5.
PLB (011) or DLB (100) or ALB 001)
not LLB, DLB or PLB (00X)
PLB (011) or DLB (100)
DLB & LLB (110)
not PLB (011)
not PLB (011)
PLB (011)
PLB (011)
LLB (010)
LBM[2:0]
LBM[2:0]
XXX
XXX
XXX
XXX
XXX
Table
16-1, will not be valid. There are some combinations of RFTS=1 and other
X
X
X
X
X
X
0
1
0
1
0
1
0
1
61 of 230
X
X
X
X
X
X
X
X
X
X
X
X
0
1
RLCLK
No valid timing to any clock pin
VALID TIMING TO THESE CLOCK PINS
0
1
1
0
0
0
0
0
1
1
1
1
TCLKO, TLCLK, RCLKO
RLCLK
No valid timing to any input clock pin
TCLKO, TLCLK, RCLKO
TCLKO, TLCLK, RCLKO
TCLKO, RCLKO
TCLKO
TCLKO, TLCLK
No valid timing to any input clock pin
TCLKI
RLCLK
No valid timing to any input clock pin
VALID TIMING TO THESE CLOCK PINS
DS3170 DS3/E3 Single-Chip Transceiver
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