AN349

6

Rev. 0.1

Figure 3. Powerup, Powerdown, and Reset Flowchart

2.1.3. Wire Control Interface

For information on the 3-wire control interface, refer to Section 2.2 of “AN230: Si4700/01/02/03 Programming

Guide."

2.2. 2-Wire Control Interface

For information on the 2-wire control interface, refer to Section 2.2 of “AN230: Si4700/01/02/03 Programming

Guide."

Note: See data sheet for further details.

Inactive

SENb = VIO?

Yes

Control

Interface =

2-wire

mode

Control

Interface =

3-wire

mode

SENb = GND?

Yes

No

Powerdown

Control Interface

activated

RST = VIO?

No

Yes

Invalid Option

No