ZHCSA11H May 2012 – September 2024 TCA9548A
PRODUCTION DATA
When power is applied to the VCC pin, an internal power-on reset holds the TCA9548A in a reset condition until VCC has reached VPORR. At this point, the reset condition is released, and the TCA9548A registers and I2C state machine are initialized to their default states, all zeroes, causing all the channels to be deselected. Thereafter, VCC must be lowered below VPORF to reset the device.