STUSB1600 datasheet(28/69 Pages) STMICROELECTRONICS

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I2C register map

STUSB1600

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DocID028937 Rev 1

5.1

The reset column specified in the register descriptions below defines the default value of the

registers at power-up or after a reset. The reset values with (NVM) index correspond to the

user-defined parameters that can be customized by NVM re-programming if needed (see

Section 6: Start-up configuration).

5.1.1

ALERT_STATUS

Address: 0Bh

Access: RC

Note: this register indicates an alert has occurred

24h

Reserved

Do not use

25h

VBUS_DISCHARGE_TIME_

CTRL

R/W

Allows the VBUS discharge time to be

changed

26h

VBUS_DISCHARGE_STATUS

R/W

Gives status on VBUS discharge path

activation

27h

VBUS_ENABLE_STATUS

Gives status on VBUS power path activation

28h

CC_POWER_MODE_CTRL

R/W

Allows the CC power mode to be changed

29h to

2Dh

Reserved

Do not use

2Eh

VBUS_MONITORING_CTRL

R/W

Allows the monitoring conditions of VBUS

voltage to be changed

2Fh

Reserved

Do not use

Table 17. STUSB1600 register map overview (continued)

Address

Access

Description

Table 18. ALERT_STATUS register

Bit

Field name

Reset

Description

Reserved

Do not use

CC_CONNECTION_STATUS_AL

0b: cleared

1b: change occurred on

CC_CONNECTION_STATUS_TRANS register

MONITORING_STATUS_AL

0b: cleared

1b: change occurred on

MONITORING_STATUS_TRANS register

HW_FAULT_STATUS_AL

0b: cleared

1b: change occurred on

HW_FAULT_STATUS_TRANS register

3:0 Reserved

0000b Do not use

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