SPRUGZ8D Datasheet, PDF (2563/3016 Pages) Texas Instruments – Technical Reference Manual

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Registers (Controller and PHY)
21.4.38 PHY Configuration Receive 4 Register (CFGRX4)
The PHY configuration receive 4 register (CFGRX4) is used to program the phy CFGRX4 bus. It is shown
and described in the figure and table below.
31
30
RESERVED
R/W-0
Figure 21-39. PHY Configuration Receive 4 Register (CFGRX4)
29
28
RCLK_SAMP
R/W-0x0
27
26
RCLK_DIG
R/W-0x0
25
RESERVED
24
DCD_EN_BUF
23
DCD_EN_CLK
R/W-0
22
DCD_EN_M
R/W-0
21
DCD_EN_P
R/W-0
20
RESERVED
R/W-0
19
PI_VCM_Z_0
R/W-0
18
PI_VCM_1
R/W-0
17
PI_VCM_Z_2
R/W-0
16
PI_VCM_Z_3
R/W-0
15
PI_BIAS_DISA
BLE
R/W-0
14
PI_ED_CAL_L
EVEL_DEC
R/W-0
13
PI_ED_CAL_L
EVEL_INC
R/W-0
12
11
PI_ED_CAL PI_ED_RESET
R/W-0
R/W-0
10
PI_ED_EN
R/W-0
9
8
PI_ED_VOUTP PI_ED_VOUTM
R/W-0
R/W-0
7
6
5
4
3
2
1
0
PI_I50U
PI_I100U_Z
PI_IBIAS_Z
R/W-0
R/W-0
R/W-0x00
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 21-40. PHY Configuration Receive 4 Register (CFGRX4) Field Descriptions
Bit
31-30
29-28
27-26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5-0
Field
RESERVED
RCLK_SAMP
RCLK_DIG
RESERVED
DCD_EN_BUF
DCD_EN_CLK
DCD_EN_M
DCD_EN_P
RESERVED
PI_VCM_Z_0
PI_VCM_1
PI_VCM_Z_2
PI_VCM_Z_3
PI_BIAS_DISABL
E
PI_ED_CAL_LEV
EL_DEC
PI_ED_CAL_LEV
EL_INC
PI_ED_CAL
PI_ED_RESET
PI_ED_EN
PI_ED_VOUTP
PI_ED_VOUTM
PI_I50U
PI_I100U_Z
PI_IBIAS_Z
Value
Description
UNUSED
RCLK_SAMP[1:0]
RCLK_DIG[1:0]
UNUSED
DCD_EN_BUF
DCD_EN_CLK
DCD_EN_M
DCD_EN_P
UNUSED
PI_VCM_Z[0]
PI_VCM[1]
PI_VCM_Z[2]
PI_VCM_Z[3]
PI_BIAS_DISABLE
PI_ED_CAL_LEVEL_DEC
PI_ED_CAL_LEVEL_INC
PI_ED_CAL
PI_ED_RESET
PI_ED_EN
PI_ED_VOUTP
PI_ED_VOUTM
PI_I50U
PI_I100U_Z
PI_IBIAS_Z[5:0]
SPRUGZ8D – 14 November 2011 – Revised April 2013
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Serial ATA (SATA) Controller 2563