CONTROL_MODULE Registers
Table 9-33. usb_ctrl1 Register Field Descriptions (continued)
Bit
Field
Type
Reset
Description
8
dmpullup
R/W
0h
Pullup on DM line
0: No effect
1: Enable pullup on DM line
7
chgvsrc_en
R/W
0h
Enable VSRC on DP line (Host Charger case)
6
chgisink_en
R/W
0h
Enable ISINK on DM line (Host Charger case)
5
sinkondp
R/W
0h
Sink on DP
0: Sink on DM
1: Sink on DP
4
srcondm
R/W
0h
Source on DM
0: Source on DP
1: Source on DM
3
chgdet_rstrt
R/W
0h
Restart Charger Detect
2
chgdet_dis
R/W
0h
Charger Detect Disable
0: Enable
1: Disable
1
otg_pwrdn
R/W
0h
Power down the USB OTG PHY
0: PHY in normal mode
1: PHY Powered down
0
cm_pwrdn
R/W
0h
Power down the USB CM PHY
1: PHY Powered down
0: PHY in normal mode
787
SPRUH73H – October 2011 – Revised April 2013
Control Module
Copyright © 2011–2013, Texas Instruments Incorporated