USB Registers
16.5.4.16 AD_INTERFACE_REG2 Register (offset = 48h) [reset = 0h]
AD_INTERFACE_REG2 is shown in
and described in
.
All bits (unless defined) are bypass bits for internal analog to digital interface pins with the same name. All
the bits of this register, except the over-ride bits return a '0' on read, if VDDLDO is off.
Figure 16-149. AD_INTERFACE_REG2 Register
31
30
29
28
27
26
25
24
USE_SUSP_DRV_RE SUS_DRV_DP_DATA
SUS_DRV_DP_EN
SUS_DRV_DM_DATA
SUS_DRV_DM_EN
USE_DISCON_REG
DISCON_EN
DISCON_PRE_EN
G
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
23
22
21
20
19
18
17
16
Reserved
SPARE_OUT_CORE
SERX_DP_CORE
SERX_DM_CORE
R/W-0h
R-0h
R-0h
R-0h
15
14
13
12
11
10
9
8
USE_HSRX_CAL_EN
HSRX_CAL_EN
USE_RPU_RPD_RE RPU_DP_SW1_EN_C RPU_DP_SW2_EN_C RPU_DM_SW1_EN_
RPU_DM_SW2_EN_
DP_PULLDOWN_EN
_REG
G
ORE
ORE
CORE
CORE
_CORE
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
DM_PULLDOWN_EN
DP_DM_5V_SHORT
SPARE_IN_CORE
PORZ
_CORE
R/W-0h
R-0h
R/W-0h
R-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 16-160. AD_INTERFACE_REG2 Register Field Descriptions
Bit
Field
Type
Reset
Description
31
USE_SUSP_DRV_REG
R/W
0h
Use bits
27-30 from this register as overrides
30
SUS_DRV_DP_DATA
R/W
0h
29
SUS_DRV_DP_EN
R/W
0h
28
SUS_DRV_DM_DATA
R/W
0h
27
SUS_DRV_DM_EN
R/W
0h
26
USE_DISCON_REG
R/W
0h
Use bits
24-25 from this register as override
25
DISCON_EN
R/W
0h
24
DISCON_PRE_EN
R/W
0h
23
Reserved
R/W
0h
22-18
SPARE_OUT_CORE
R
0h
17
SERX_DP_CORE
R
0h
16
SERX_DM_CORE
R
0h
15
USE_HSRX_CAL_EN_RE R/W
0h
Use bit 14 from this register as override
G
14
HSRX_CAL_EN
R/W
0h
13
USE_RPU_RPD_REG
R/W
0h
Use override from bits
7-12
12
RPU_DP_SW1_EN_COR
R/W
0h
E
11
RPU_DP_SW2_EN_COR
R/W
0h
E
10
RPU_DM_SW1_EN_COR
R/W
0h
E
9
RPU_DM_SW2_EN_COR
R/W
0h
E
8
DP_PULLDOWN_EN_CO
R/W
0h
RE
1922
Universal Serial Bus (USB)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated