
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)
0x
00DE1310
(100GbE)
R
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
Send Feedback
Comentários a estes Manuais