Tod clock parameter setting – Altera Triple Speed Ethernet MegaCore Function User Manual

Page 202

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Table C-2: Stratix V Performance and Resource Utilization

Memory (M20K

Blocks/MLAB

Bits)

Logic Registers

Combinational

ALUTs

FIFO Buffer

Size (Bits)

Settings

MegaCore Function

0/0

1,120

378

0

Default

TOD Clock

ToD Clock Parameter Setting

Table C-3: ToD Clock Configuration Parameters

Description

Value

Name

4-bit value that defines the reset value
for

PERIOD_NS

. For Triple-Speed

Ethernet MegaCore function, set the
value to 0x0008.

The default value is 0x0006.

Between 0 and 0x000F

DEFAULT_NSEC_PERIOD

16-bit value that defines the reset value
for

PERIOD_FNS

. For Triple-Speed

Ethernet MegaCore function, set the
value to 0x0000.

The default value is 0x6666.

Between 0 and 0xFFFF

DEFAULT_FNSEC_PERIOD

4-bit value that defines the reset value
for

ADJPERIOD_NS

.

The default value is 0x0006.

Between 0 and 0x000F

DEFAULT_NSEC_
ADJPERIOD

16-bit value that defines the reset value
for

PERIOD_FNS

.

The default value is 0x6666.

Between 0 and 0xFFFF

DEFAULT_FNSEC_
ADJPERIOD

Time-of-Day (ToD) Clock

Altera Corporation

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UG-01008

ToD Clock Parameter Setting

C-2

2014.06.30

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