NSK70721PE.C2 Intel, NSK70721PE.C2 Datasheet - Page 26

• Manufacturer Part Number: NSK70721PE.C2
• Manufacturer: Intel

Specifications of NSK70721PE.C2

• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / RoHS Status: Supplier Unconfirmed

SK70725/SK70721 — Enhanced Multi-Rate DSL Data Pump Chip Set
3.1.6.1
26
0111-1000
ADDR
A3-A0
Table 7.
0000
0001
0010
0100
0101
1001
1010
0011
0110
1011
1100
1101
1110
1111
WR10
WR11
WR12
WR13
WR14
WR15
WR0
WR2
WR3
WR9
WR#
Register Summary
The following paragraphs describe these registers in more detail.
Some of the registers contain reserved bits. Software must deal correctly with reserved fields.
During reads, software must use appropriate masks to extract the defined bits and not rely on
reserved bits being any particular value. In some cases, software must set reserved bits to a
particular value. If necessary, the required value is specified in the individual bit descriptions.
After assertion of the RESET signal, the Data Pump initializes its registers to the default values.
WR0—Main Control Register
Main Control Register bits serve the same purpose in Software Mode as the like-named individual
pins in Hardware Mode.
Main Control
reserved
Interrupt Mask and Line
Reversal
Coefficient Select and
Activation Timer
reserved
reserved
reserved
reserved
Receiver Gain Control
SMT1
SMT2
SMT3
SMT4
SMT5
Micro-interruption Timer
Address: A<3:0> = 0000
Default: 00h
Attributes: Write Only.
Write Registers
Name
Table 8
Table 11
Table 12
Table 14
Table 14
Table 14
Table 14
Table 14
Table 13
lists bit assignments for the WR0 register.
Table 8
Table 9
Table
n/a
RD#
RD0
RD1
RD2
RD3
RD4
RD5
RD6
Main Status
AGC Tap Value
Noise Margin
Coefficient Read Register (lower byte)
Coefficient Read Register (upper byte)
Activation Status
Receiver AGC and FFE Step Gain
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
Read Registers
Name
Datasheet
Table 15
Table 16
Table 17
Table 18
Table 18
Table 19
Table 20
Table