Altera 40-Gbps Ethernet MAC and PHY MegaCore Function Manual de usuario descargar pdf (Pagina 128)

Table 3-26: Scratch and Clock Registers for Applicable Devices

Address Name Applicable

Device(s)

Bit Description HW Reset

Value

Access

0x000

PHY_

VERSION

Arria V GZ,

Stratix IV, and

Stratix V

[31:0] 40GbE/100GbE PHY IP

core revision.

0x00E01310

(40GbE)

00DE1310

(100GbE)

0x001

SCRATCH_

PHY

Arria V GZ,

Stratix IV, and

Stratix V

[31:0] Scratch register available

for testing.

0x00000000 RW

0x002

(12)

CLK_TXS

Arria V GZ,

Stratix IV, and

Stratix V

[19:0] TX serial clock rate

monitor in KHz.

0x00000 R

0x003

(12

)

CLK_RXS

Arria V GZ,

Stratix IV, and

Stratix V

[19:0] RX serial clock rate

monitor in KHz.

0x00000 R

0x004

CLK_TXC

Arria V GZ,

Stratix IV, and

Stratix V

[19:0] TX core clock rate

monitor in KHz.

0x00000 R

0x005

CLK_RXC

Arria V GZ,

Stratix IV, and

Stratix V

[19:0] RX core clock rate

monitor in KHz.

0x00000 R

0x006 — Arria V GZ,

Stratix IV, and

Stratix V

– Reserved. — —

0x007 — Arria V GZ and

Stratix V

– Reserved. — —

(12)

When the line rate is 10.3125 Gbps, the frequency of the serial clocks clk_tx_serial and clk_rx_serial is

10312.5/40 = 257.8125 MHz.

UG-01088

2014.12.15

Transceiver PHY Control and Status Registers

3-81

Functional Description

Altera Corporation

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