SerDes PHY Register DefinitionsBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 568
ANALOG_RX1
Register Description: Controlling the SerDes receiver.
Register Offset: 0x13 at Block 3
Table 147: ANALOG_RX1
Bits Name RW Description Default
15:13 RESERVED RW Reserved 0x00
12:10 SD_THRESHOLD RW Controls when signal detect should be asserted, based on
energy level.
000 = 10 mV
001 = 20 mV
011 = 30 mV
010 = 40 mV
110 = 50 mV
111 = 60 mV
101 = 70 mV
100 = 80 mV
0x2
9 SIGDET_EN RW 1 = Enable signal detect
0 = Disable signal detect
0
8 LOOPBACK RW Set to enable remote loopback. This must be set in
conjunction with the loopback bit under ANALOG_TX1
register.
1 = Enable loopback
0 = Normal operation
0
7 REG_EDGE_SELECT RW Reserved for factory use only.
1 = Use rising edge of rx_wclk
0 = Use falling edge of rx_wclk
0
6:1 RESERVED RW Reserved 0x00
0 IDDQ RW Set to power down analog receiver block
1 = Power down RX
0 = Normal operation
0
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