DS33R41 Maxim Integrated Products, DS33R41 Datasheet - Page 252

• Manufacturer Part Number: DS33R41
• Description: Network Controller & Processor ICs Inverse-Multiplexing Ethernet Mapper wit
• Manufacturer: Maxim Integrated Products

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 7: CMI Enable (CMIE)
Bit 6: CMI Invert (CMII)
Bits 5 and 4: MCLK Prescaler (MPS1 and MPS0)
T1 Mode:
E1 Mode:
Bits 3 and 2: Transmit Termination Select (TT1 and TT0)
Bits 1 and 0: Receive Termination Select (RT1 and RT0)
MCLK (MHz)
RT1
TT1
0
0
1
1
0
0
1
1
12.352
16.384
16.384
MCLK
(MHz)
1.544
3.088
6.176
2.048
4.096
8.192
2.048
4.096
8.192
0 = disable CMI mode
1 = enable CMI mode
0 = CMI normal at TTIP and RTIP
1 = invert CMI signal at TTIP and RTIP
RT0
TT0
CMIE
0
1
0
1
0
1
0
1
7
0
MPS1
MPS1
Internal transmit-side termination disabled
Internal transmit -side 75Ω enabled
Internal transmit -side 100Ω enabled
Internal transmit -side 120Ω enabled
Internal receive-side termination disabled
Internal receive-side 75Ω enabled
Internal receive-side 100Ω enabled
Internal receive-side 120Ω enabled
Internal Transmit-Termination Configuration
Internal Receive-Termination Configuration
0
0
1
1
0
0
1
1
0
0
1
1
TR.LIC4
Line Interface Control 4
7Bh
CMII
6
0
MPS0
MPS0
0
1
0
1
0
1
0
1
0
1
0
1
MPS1
5
0
(TR.LIC2.3)
(TR.LIC2.3)
JAMUX
JAMUX
0
0
0
0
1
1
1
1
0
0
0
0
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MPS0
4
0
TT1
3
0
TT0
2
0
RT1
1
0
RT0
0
0