CN220730804U

CN220730804U - TYPE-C interface compatible with UART

Info

Publication number: CN220730804U
Application number: CN202322493524.6U
Authority: CN
Inventors: 张贤; 夏雪子
Original assignee: Shenzhen Zhisen Technology Design Co ltd
Current assignee: Shenzhen Zhisen Technology Design Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-05
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to the technical field of computer tablet TYPE-C interfaces, in particular to a TYPE-C interface compatible with a UART. The technical proposal comprises: install inside TYPE-C subassembly and the master control in panel computer one side, TYPE-C subassembly includes TYPE-C installation base, TYPE-C installation base one side is provided with the interface end in the interface storehouse, interface end both sides are provided with multiunit PIN respectively, be provided with two sets of auxiliary channel interface PIN feet in the link up the end, be provided with switching circuit between auxiliary channel interface PIN foot and the master control, be provided with the UART in the master control. The utility model directly uses the serial port function through the interface seat, does not influence the function supported by the original TYPE-C protocol, thereby realizing that one TYPE-C seat is used for meeting the functions in the TYPE-C protocol, and is compatible with UART signals, and the functions are not mutually interfered.

Description

TYPE-C interface compatible with UART

Technical Field

The utility model relates to the technical field of computer tablet TYPE-C interfaces, in particular to a TYPE-C interface compatible with a UART.

Background

At present, a TYPE-C interface is already a mainstream charging interface, and the TYPE-C interface meets the functions of forward and backward insertion, PD protocol charging, DP Altmode video output protocol and the like, and the functions of charging, connecting headphones, transmitting files and the like can be realized by using the TYPE-C interface. The design trend of mobile phones and tablet personal computers is to develop in the direction of ultra-thin and lightweight, interfaces of the whole mobile phones are fewer, functions are relatively centralized and compatible, and in the production and after-sales links of the tablet personal computers and the mobile phones, the state information of the tablet personal computers and the mobile phones is often required to be read through communication with UART (universal asynchronous receiver/transmitter) of a master control SOC (system on chip), so that the information of a problem can be better and faster located.

In some ultrathin and waterproof machines, too many interfaces are not led out, and if log information is required to be captured through UART communication of a master control, the machine needs to be disassembled, and the physical structure of the machine is damaged by the disassembly, so that the labor and the cost are wasted. For this purpose, we propose a TYPE-C interface compatible with UART.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a TYPE-C interface compatible with UART.

The technical scheme of the utility model is as follows: the utility model provides a TYPE-C interface compatible with UART, is including installing TYPE-C subassembly and the master control in tablet computer one side inside, TYPE-C subassembly includes TYPE-C installation base, TYPE-C installation base one side is provided with the interface storehouse, TYPE-C installation base one side is located the interface storehouse and is provided with the interface end, interface end both sides are provided with multiunit PIN respectively, install the link-up end in the TYPE-C installation base, be provided with two sets of auxiliary channel interface PIN feet in the link-up end, be provided with switching circuit between auxiliary channel interface PIN foot and the master control, be provided with the UART in the master control.

Preferably, the PINs are evenly distributed on the upper side and the lower side of the interface end, and the two groups of auxiliary channel interface PIN PINs are respectively an SBU1 PIN PIN and an SBU2 PIN PIN.

Preferably, the main control is electrically connected with the PIN of the auxiliary channel interface.

Preferably, the TYPE-C component is compatible with UART signals on the basis of meeting TYPE-C conventional protocols.

Preferably, when the TYPE-C component is in a connection state with the main control, the tablet personal computer can carry out external communication through UART signals.

Compared with the prior art, the utility model has the following beneficial technical effects:

the TYPE-C interface has 24 PIN PINs for supporting forward and reverse connection, 12 PINs are arranged on each side, wherein the SBU1 and the SBU2 respectively correspond to the two PIN PINs A8 and B8, the SBU1 and the SBU2 belong to sideband channels, according to different use scenes, the UART-TX and the UART-RX compatible with serial ports on the SBU1 and the SBU2 channels are defined to be different, namely, the serial port function can be directly used through an interface seat, the function supported by the original TYPE-C protocol is not influenced, and therefore, the function in the TYPE-C protocol is met by using one TYPE-C seat, and the UART signals are compatible. On a mobile phone and a tablet personal computer, the design of a manufacturer and after-sales personnel can directly read the effective information of the main control platform through the TYPE-C seat without disassembling the machine to remove a lead wire and read log information.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a lead of a TYPE-C assembly in accordance with the present utility model;

FIG. 4 is a schematic diagram of a TYPE-C module and a master control circuit according to the present utility model;

fig. 5 is a schematic diagram of a TYPE-C module and a master control module according to the present utility model.

Reference numerals: 1. a TYPE-C component; 11. a TYPE-C mounting base; 12. an interface bin; 13. an interface end; 14. pins; 15. a joining end; 16. the auxiliary channel interfaces PIN PINs.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in figures 1-5, the TYPE-C interface compatible with the UART provided by the utility model comprises TYPE-C component 1 and a main control which are arranged in one side of a tablet personal computer, wherein the TYPE-C component 1 comprises TYPE-C mounting base 11, one side of the TYPE-C mounting base 11 is provided with an interface bin 12, the TYPE-C mounting base 11 is fixedly connected with the interface bin 12, one side of the TYPE-C mounting base 11 is provided with an interface end 13 in the interface bin 12, the TYPE-C mounting base 11 is internally provided with a mounting cavity, two sides of the interface end 13 are respectively provided with a plurality of groups of PINs 14, the plurality of groups of PINs 14 are 24, PINs 14 are evenly distributed on the upper side and the lower side of the interface end 13, the PINs 14 are correspondingly mounted with the interface end 13, the TYPE-C mounting base 11 is internally provided with a connecting end 15, the connecting end 15 is correspondingly mounted with a cavity, two groups of auxiliary channel interface PINs 16 are respectively provided with an SBU1 PIN and an SBU2 PIN, the auxiliary channel PINs 16 are respectively arranged on the interface bin 12, the functions of the SBU1 PIN and the UART are not electrically connected with the UART-C interface, the TYPE-C interface is directly, the function of the TYPE-C component is not provided with the UART-C interface 1, the function of the UART is not provided with the auxiliary channel PINs is directly, and the function of the UART interface is not provided with the conventional, the TYPE-C interface, and the TYPE-C interface is directly compatible with the UART interface, and the function of the UART is not provided with the auxiliary channel interface, and the function is directly has the function of the auxiliary channel interface, and the function of the auxiliary interface is directly has the function of the auxiliary interface, and the TYPE interface is directly and the interface. On a mobile phone and a tablet personal computer, the design of a manufacturer and after-sales personnel can directly read the effective information of the main control platform through the TYPE-C seat without disassembling the machine to remove a lead wire and read log information.

In this embodiment, UART-TX, UART-RX, SBU1, SBU2 are connected to the A8, B8PIN PINs of the TYPE-C socket through an analog switch of U9010. When the VIO18_PMU is started, 1.8V is supplied, when the 10 th PIN of the U9010 change-over switch is high level, UART-TX is connected to TYPE-C_SBU1, UART-RX is connected to TYPE-C_SBU2, TX of a serial port is connected to TYPE-C interface, the RX signal is used as a male of the public TYPE-C, SBU1 and SBU2 are respectively connected with serial ports UART-TX and YPE-C_SBU2 to TYPE-C seats, and UART communication can be realized;

when the TYPE-C interface is accessed to other devices: when a computer or a charger is connected, VBUS_TYPE-C_P can be supplied with 5V, if the charger supports PD to be charged quickly, VBUS_TYPE-C_P can be supplied with 5V-20V, the power supply is converted into stable 1.8V after passing through a high-voltage-resistant LDO U34118, the 1.8V power supply can enable a triode QP6 to be in a saturated state, the triode is conducted, the 10PIN of a U9010 switch is pulled down, the SBU1 and the SBU2 are switched to be connected with TYPE-C_SBU and TYPE-C_SBU2 by the switch, and a serial port signal is disconnected; if the slave devices such as a USB flash disk and a TYPEC-digital earphone are connected, the master device can handshake with the slave devices through CC1 and CC2 channels, the master device is defined as a Host state, 5V is externally output on VBUS_TYPE-C_P, the same control flow is achieved after a charger is connected, the SBU1 and the SBU2 are switched to be connected with TYPE-C_SBU1 and TYPE-C_SBU2 by a switch, and a serial port signal is disconnected;

the scheme has the final effect that when any equipment of the TYPE-C interface is not connected, the A8 PIN PIN and the B8PIN PIN are connected to UART signals, and the male PIN can be connected to the TYPE-C interface to carry out UART communication; when the TYPE-C is accessed to other devices, the UART is cut off, and the complete TYPE-C signal transmission is reserved, whether the master device or the slave device is the master device or the slave device.

The above-described embodiment is only one preferred embodiment of the present utility model, and many alternative modifications and combinations of the above-described embodiments can be made by those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. TYPE-C interface compatible with UART, including installing inside TYPE-C subassembly (1) and the master control in panel computer one side, its characterized in that: TYPE-C subassembly (1) is including TYPE-C installation base (11), TYPE-C installation base (11) one side is provided with interface storehouse (12), TYPE-C installation base (11) one side is provided with interface end (13) in interface storehouse (12), interface end (13) both sides all are provided with multiunit PIN (14), link up end (15) are installed in TYPE-C installation base (11), be provided with two sets of auxiliary channel interface PIN feet (16) in link up end (15), be provided with switching circuit between auxiliary channel interface PIN foot (16) and the master control, be provided with UART in the master control.

2. A UART-compatible TYPE-C interface according to claim 1, wherein the PINs (14) are evenly distributed on the upper and lower sides of the interface end (13), and the two sets of auxiliary channel interface PIN PINs (16) are respectively SBU1 PIN PINs and SBU2 PIN PINs.

3. A UART compatible TYPE-C interface according to claim 2, wherein the main control and auxiliary channel interface PIN (16) is electrically connected.

4. A TYPE-C interface compatible with UART according to claim 1, characterized in that the TYPE-C component (1) is compatible with UART signals on the basis of satisfying the TYPE-C regular protocol.

5. The TYPE-C interface compatible with UART according to claim 1, wherein the tablet pc can perform external communication through UART signal when the TYPE-C component (1) is connected to the main controller.