DS26514GN+ Maxim Integrated Products, DS26514GN+ Datasheet - Page 244

• Manufacturer Part Number: DS26514GN+
• Description: IC TXRX T1/E1/J1 4PORT 256-CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of DS26514GN+

• Number Of Drivers/receivers: 4/4
• Protocol: Ethernet
• Voltage - Supply: 3.14 V ~ 3.47 V
• Mounting Type: Surface Mount
• Package / Case: 256-CSBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 2 to 0: Receive Impedance Selection (RIMPM[2:0]). These bits are used to select the receive impedance
termination. They must be set according to the cable impedance even if internal termination resistance is disabled
(RIMPON = 0). See
Table 10-22. Receive Impedance Selection
Rev: 101608
Bit 6: Receive Internal Impedance Match On (RIMPON)
RIMPON
0
0
0
0
1
1
1
1
1
1
1
1
0 =
1 =
Receive internal impedance termination is disabled (high impedance).
Receive internal impedance termination is enabled.
—
7
0
RIMPRM[2:0]
Table
000
001
010
011
100
101
110
111
x00
x01
x10
x11
LRISMR
LIU Receive Impedance and Sensitivity Monitor Register
1007h + (20h x (n - 1)) : where n = 1 to 4
10-22.
RIMPON
6
0
100 Ω external termination (no internal impedance match)
110 Ω external termination (no internal impedance match)
120 Ω external termination (no internal impedance match)
75 Ω external termination (no internal impedance match)
—
5
0
RECEIVE IMPEDANCE SELECTED ( Ω )
100 Ω , with external 120 Ω resistor
110 Ω , with external 120 Ω resistor
120 Ω , with external 120 Ω resistor
75 Ω , with external 120 Ω resistor
—
4
0
100 Ω internal termination
110 Ω internal termination
120 Ω internal termination
75 Ω internal termination
—
3
0
DS26514 4-Port T1/E1/J1 Transceiver
RIMPM2
2
0
RIMPM1
1
0
244 of 305
RIMPM0
0
0