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HD3SS3220_15 Datasheet, PDF (20/43 Pages) Texas Instruments – HD3SS3220 USB Type-C DRP Port Controller with SuperSpeed 2:1 MUX | |||
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HD3SS3220
SLLSES1 â DECEMBER 2015
www.ti.com
7.6.2 Connection Status Register (offset = 0x08) [reset = 0x00]
Figure 6. Connection Status Register
7
6
CURRENT_MODE_ADVERTISE
5
4
CURRENT_MODE_DETECT
3
2
1
ACCESSORY_CONNECTED
R/W
R/U
R/U
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset, R/U = Read/Update
0
ACTIVE_CABL
E_DETECTION
R/U
Table 8. Connection Status Register Field Descriptions
Bit Field
Type
7:6 CURRENT_MODE_ADVERTISE R/W
5:4 CURRENT_MODE_DETECT
R/U
3:1 ACCESSORY_CONNECTED
R/U
0
ACTIVE_CABL E_DETECTION
R/U
Reset
2âb00
2âb00
3âb000
1âb0
Description
These bits are programmed by the application to raise the
current advertisement from Default.
00 â Default (500mA/900mA) Initial value at startup
01 â Mid (1.5A)
10 â High (3A)
11 â Reserved
These bits are set when a UFP determines the Type-C current
mode.
00 â Default (value at start up)
01 â Medium
10 âCharge Through Accessory â 500mA
11 â High
These bits are read by the application to determine if an
accessory was attached.
000 âNo Accessory attached (Default)
001 - Reserved
010 â Reserved
011 â Reserved
100 â Audio Accessory
101 â Charged Thru Audio Accessory
110 - Debug Accessory when HD3SS3220 is connected as a
DFP
111 â Debug accessory when HD3SS3220 is connected as a
UFP
This flag indicates that an active cable has been plugged into
the Type-C connector
0 - No active cable
1 â Active Cable Attach
20
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