Schnittstellenschaltung, Verfahren und Vorrichtung zum Schalten eines Zustandes

Details

Veröffentlichungs-Nr.

EP3128435

Aktenzeichen

EP16159683

Anmeldetag

10. März 2016

Veröffentlichung

1. November 2017

Erteilung

1. November 2017

Rechtsraum

EP

IPC

G06F13/38G06F1/32

Abstract

The disclosure relates to an interface circuit, method and device for state switching and belongs to the terminal technology field. The interface circuit includes a Power Management Integrated Circuit PMIC (210), a Universal Serial Bus USB controller (220), an Integrated Circuit IC (230) and a USB interface (240), wherein ID1 of the PMIC (210) is connected with ID2 of the IC (230), and CC1 of the IC (230) is connected with CC2 in the USB interface (240); a data pin in the USB controller is connected with a data pin in the USB interface (240) through the IC (230); under a master-slave switching state, the IC (230) disconnects ID2 with CC1, and sets ID2 to high level and CC1 to low level; under a slave-master switching state, the IC (230) disconnects ID2 with CC1, and sets ID2 to low level and CC1 to high level; under a non-switching state, the IC (230) is in a state that ID2 is connected with CC1.

Anmelder

Firma

Xiaomi Inc.

Land

🇨🇳 China

Fachgebiete