SLLSES1E December 2015 – July 2025 HD3SS3220 , HD3SS3220L
PRODUCTION DATA
The HD3SS3220 has four functional modes. Table 6-4 lists these modes:
| MODES | GENERAL BEHAVIOR | MODE | STATES(1) |
|---|---|---|---|
| Unattached | USB port unattached. ID, PORT operational. I2C on. | UFP-Only | Unattached.SNK |
| AttachWait.SNK | |||
| DFP | Toggle Unattached.SNK → Unattached.SRC | ||
| AttachedWait.SRC or AttachedWait.SNK | |||
| DFP-Only | Unattached.SRC | ||
| AttachWait.SRC | |||
| Active | USB port attached. All GPIOs operational. I2C on. | UFP-Only | Attached.SNK |
| Audio Accessory | |||
| Debug Accessory | |||
| DRP | Attached.SNK | ||
| Attached.SRC | |||
| Audio accessory | |||
| Debug accessory | |||
| DFP-Only | Attached.SRC | ||
| Audio accessory | |||
| Debug accessory | |||
| Dead battery | No operation. VDD5 not available. | DRP | Default device state to UFP/SNK with R(d). |
| Shutdown | No operation. VDD5 available and ENn_CC pin is high | DRP | Default device state to UFP/SNK with R(d). |