LE 1/MACBOOK/ N1 Type-CInterface new experience
After a queue in the Huaqiang North Electronics market for an hour, I successfully bought the long-awaited music 1, with the previous NOKIA Tablet PC N1, Apple's new MACBOOK, finally set the phone, tablet, notebook three TYPE-C interface device (Can exchange for Need for equipment? ^ _ ^). Can be set power, audio, video, data transmission in a "mouth", which is the legendary Need for interface, in the three devices, what exactly to our consumers what to bring it? The author of the USB IF organization released USB TYPE-C standard 1.1 of the three devices were initially tested.
USB Type-C 1.1, USB PD 2.0, Battery Charging 1.2, if all three protocols are supported, you can achieve the type of USB Type-C 1.1, USB PD 2.0, Battery Charging 1.2, if all three protocols support, you can achieve Type -C & lt; / RTI & gt; Type-C separates the role of the device between power and data transmission. Power transmission is divided into SRC (ie, power supply, such as adapters), SNK (ie, the receiving side, such as U disk). For devices that can assume both the SRC role and the SNK role, they are referred to as DRP devices (such as laptops and mobile phones). In DRP devices, there is a class of devices that are particularly prone to become SRC devices, called Try.SRC devices (such as mobile power). By default, the SRC is DFP, and the SNK is the UFP. To change this default mix, use the following command: http: //www.google.com/support/bin/request/default.asp. USB PD 2.0 communication protocol for ROLE_SWAP. All of these role definitions and role switching are implemented using the CC logic chip in the USB TYPE-C protocol.
MACBOOK
The first test, TYPE-C port CC logic test, through a special TYPE-C line, we MACBOOK the CC logic pin out, after the oscilloscope test, the above 50ms square wave exists, proved to be TYPE C standard DRP device, that is Dual Role Port, can use the adapter through the mouth to the MAC BOOK charge, you can also charge through the mouth to the phone. By Apple's original adapter to the MAC BOOK charge, you can clearly observe the USB pin on the CC communication waveform, communication is successful, the supply voltage from 5V to 14.5V.
The second test, charge and discharge test. The first step, with any 5V adapter, connected to the music-based LDR6013 TYPE-C interface chip charging adapter cable (at the same time dealing with Type-C protocol and BC1.2 protocol), MACBOOK can be successfully charged in the power supply stability The maximum charge current is 2.8 amps. The second step, with a C port to A female adapter, the use of MACBOOK to IPHONE6 PLUS charge, very normal. So far has been described in the MAC BOOK DRP equipment. The third part, to determine whether MACBOOK belongs to the DRP device Try.SRC equipment. With Le Dre Rui LDR6013 chip design Try.SRC mobile power to the MACBOOK charge, 100% success. Proved that MACBOOK belongs to the DRP device that is not Try.SRC (if Try.SRC meets Try.SRC, the charging direction is random).
The third test, data transmission, with a self-made TYPE-C mouth switch A female converter, connected to the IPHONE, data transmission is normal, after viewing the instructions and online information, MACBOOK support USB3.1 gen1 host, backward compatible with USB 3.0 And USB2.0.
Trivia: testing process, C port damage, but fortunately in 7 days, for a free replacement, Apple's sale is still quite good, you can change to the same day the new machine.
二、LE 1
The first test, TYPE-C port CC logic test, after testing the CC 1 for a pull-up resistor or a pull-up current source, no scan waveform. Therefore, the basic confirmation that it belongs to the DFP device, that is, in the C protocol, it defines itself as an adapter.
The second test, charge and discharge test. The first test has prompted us, Music 1 is a DFP, in order to verify this problem, we use MACBOOK original data cable to the music 1 and MACBOOK TYPE-C port connected to the magic of things happened, music 1 to charge MACBOOK, Well, I admit, Music 1 really defines itself as an adapter. It can charge the SNK or DRP devices in Port C. The second step, we use the original adapter MACBOOK and original music to charge a charge, the result is no response. That is expected, which is equivalent to the two adapters together, of course, is no response. The third step, with a happy to A mouth to C port line to the music 1 charging, connected to any 5V adapter, can be successfully reached 1.4A charge current. Note that music 1 can only charge through A port to C, can not access to the standard C port adapter.
The third test, data transmission test. The first step, the music 1 connected to the windows computer, you can successfully recognize a U disk, and no difference between ordinary Andrews phone. This indicates that he can act as a USB2.0 Device. The second step, with a C port to A female adapter, a USB disk connected to music 1, you can successfully read the U disk, and play inside the audio and video files, that music 1 can be used as a USB 2.0 HOST .
Trivia: the process of testing found that music 1 the top edge of the screen will be bright, obvious light leakage. This ... unable to Tucao.
三、NOKIA N1
The first test, TYPE-C port CC logic test, after the test N1 of the CC port is vacant! In other words, it is not a TYPE-C device, only the appearance of using TYPE-C interface, it can support the positive and negative insert it.
The second, do not test the.
The third, do not test the.
The following is the test results, please a lot of corrections experts, can be regarded as throwing brick.
|
产品 |
TYPE-C设备类型 |
数据接口 |
接口标准 |
备注 |
|
Macbook |
DRP |
USB3.1 HOST |
充放兼容TYPE-C 1.1、USB PD 2.0、Battery charging 1.2 |
可通过USB-IF认证 |
|
乐1 |
DFP |
USB2.0 HOST and Device |
放电兼容TYPE-C、充电为非TYPE-C设备、不支持PD |
DFP部分可通过USB-IF认证 |
|
NOKIA N1 |
IS NOT TYPE-C Device |
USB2.0 Device |
充放都不兼容TYPE-C |
纯粹的TYPE-C当Micro USB使用 |
Commendable is the Apple, USB TYPE-C 1.1, USB PD 2.0, Battery Charging 1.2 strict compliance with the three standards for the industry's TYPE-C interface device provides a model. Music as the choice is quite upset, because unlike Apple's boss, you can play from the chip level to the finished product level. Music 1 design stage, the market TYPE-C interface chip without any mass production, and can only be retreated for the sake of the. If you can use the music of the LDR6013, while supporting DFP, DRP, Try, SRC, UFP four types of role Type-C chip, you can have more creative space can play.
The test also brought another problem, TYPE-C standard intention is to unify the interface, to avoid the waste of social resources. However, at this stage, to the Apple charging adapter and cable, can not give music 1 charge, and music 1 charging line, you can not give MACBOOK charge (measured results, charging current is 500mA, can not meet MACBOOK power supply), then Is there the best of both worlds? The answer is yes, Le Deli has been designed for this problem also supports TYPE-C and BC 1.2 A port to C port cable program, to meet the MACBOOK and music 1, N1 charging, and compatible data transfer, is now Introduced to the mobile power industry, known as "nothing can be charged," the leader in production, and soon we will see the brand's omnipotent charge A port C port charging line listed.