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Benefiting from the full-scale boom of the new energy industry, the application scenarios for motor drive products are expanding from traditional electric vehicles to diversified light electric vehicl...
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USB-TTL connection cable
The USB-TTL connection cable provided with the APT permanent magnet motor driver serves as a signal conversion medium for enabling communication between the computer and the driver via the UART interface. Due to differences in business scenarios, it presents differentiated designs and services in B2B and B2C operations, jointly providing support for driver debugging and maintenance. The two are precisely matched to meet the full life cycle usage requirements of enterprise-level and consumer-level permanent magnet motor drivers.
Product Features:
TXD: Transmitting End, usually referred to as one's own transmitting end. Normal communication requires connecting to the RXD of another device.
RXD: Receiving End, usually referred to as one's own receiving end. Normal communication requires connecting to the TXD of another device.
During normal communication, the TXD of the device is always connected to the RXD of the device itself.
Self-receiving and self-transmitting: During normal communication, RXD connects to the TXD of another device. Therefore, if you want to receive the data sent by yourself,
As the name suggests, it means receiving the data sent by oneself, that is, the TXD of the device is directly connected to the RXD.
This is a very convenient and simple testing method to test whether the sending and receiving functions of the device are normal. When problems occur, this test should be performed first to determine if the product is faulty. It is also called loopback testing.
Technical Parameters
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Product Parameter
1. Fully supports Windows 11, Windows 10 32-bit and 64-bit systems. The drivers fully support embedded applications. The serial port is a widely used communication peripheral in applications, but embedded engineers inevitably get confused by the various levels, standards, and voltages of the serial ports. Due to historical reasons, there emerged TTL-level ports, RS232-level interfaces, and RS485-level interfaces. Each interface has its own characteristics, and the preferred interface for devices also varies.
2. Chip Description:
• The main chip is CP2102. After installing the driver, a virtual serial port is generated.
• USB powers the device. The interface leads include 3.3V (< 40MA), 5V, GND, TX, R. The signal level of the pins is 3.3V, with positive logic.
• The board has built-in status indicator and transmit/receive indicator lights. After correctly installing the driver, the status indicator light will remain on, and the transmit/receive indicator light will flash during communication. The higher the baud rate, the lower the brightness.
• It supports baud rates ranging from 300 BPS to 1 MBBPS.
• Communication formats supported:
(1) 5, 6, 7, 8 data bits;
(2) Supports 1, 1.5, 2 stop bits;
(3) 0DD, EVEN, MARK, SPACE, NONE parity.
• It supports operating systems: WINDOWS Vista/XP/Server 2003/200, MAC 6.os-X/OS 9, LINUX.
• The USB connector is a male connector, and it can be directly connected to the USB port of the computer. The soldering components are produced by SMT technology, ensuring stable quality.
3. Logic Levels:
TTL logic level: Usually, data representation uses binary. +5V is equivalent to logic "1", and OV is equivalent to logic "0", known as the TTL signal system, which is positive logic. RS232 negative logic: Uses 12V to -3V, equivalent to logic "0", +3V to +12V logic level, equivalent to logic "1", which is negative logic.
4. Pin Description:
G: Ground (GND) Connect to the GND of the STC microcontroller
0: Power (OUTVCC) Connect to the VCC of the STC microcontroller
R: Receive (RXD) Connect to P3.1 of the STC microcontroller
T: Transmit (TXD) Connect to P3.0 of the STC microcontroller
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- +86-170 9191 9800
- Room 123A, No. 1000 Ziyue Road, Minhang District, Shanghai, China
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