/**USART3 GPIO Configuration PA2 ---> USART2_TX PA3 ---> USART2_RX */ GPIO_InitStruct.Pin = RS232_MALE_TX_PIN; // 选择 USART2 的 TX 引脚 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; // 配置为复用推挽功能 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; // 引脚翻转速率快 HAL_G...
*/GPIO_InitStruct.Pin=RS232_MALE_TX_PIN;// 选择 USART2 的 TX 引脚GPIO_InitStruct.Mode=GPIO_MODE_AF_PP;// 配置为复用推挽功能GPIO_InitStruct.Speed=GPIO_SPEED_FREQ_HIGH;// 引脚翻转速率快HAL_GPIO_Init(RS232_MALE_PORT,&GPIO_InitStruct);// 初始化 TX 引脚GPIO_InitStruct.Pin=RS232_MALE_...
PINOUT CONFIGURATION: RS-232 SIDE – DB9 FEMALE SIGNAL PIN # FUNCTION DC DTR DSR D 14 6 TIED RTS CTS 78 TIED TX 2 TX RS-485 SIDE – ATTACHED TERMINAL BLOCK INDUSTRIAL CONVERTER 128 RS-485 Drops, High Temp Range RX GND 35 RX GND TOP FEM. DB9 BOTTOM SPECIFICATIONS: STANDARDS: BAUD ...
A protective ground, used for equipment safety, is defined in the 25-pin connector. This line, typically connected to the power ground or chassis ground, should not be connected to the signal ground or from system to system. Figure 5. 8-signal RS-232 network configuration. The RS-232 ...
RS-232-说明书
Data Sheet PIN CONFIGURATION AND FUNCTION DESCRIPTIONSADM101EFigure 2. Pin ConfigurationTable 3. Pin Function DescriptionsPin No. Mnemonic Function1GNDGround Pin. Must be connected to 0 V.2C1−Negative Terminal of C1 (if C1 is Polarized Capacitor).3...
Table 1. MagnaDC RS232 interface configuration settings. Parameter Value Baud Rate 19200 Data Size 8-bit Parity None Stop Bits 1 Flow Control Off Cable Type Straight-through Table 2 provides the RS232 terminal definition. Only Rx (Pin 2), Tx (Pin 3) and Ground (Pin 5) pins are required...
PINOUT CONFIGURATION: RS-232 SIDE – DB9 FEMALE SIG. TX RX DTR DSR RTS CTS R GND I PIN # 23 4 6 7 89 5 FUNCT. TX RX DTR DSR RTS CTS R GND RS-232 SIDE – DB9 MALE I SIG. TX RX DTR DSR RTS CTS R GND I PIN # 32 6 4 8 79 5 FUNCT. TX RX DTR DSR RTS CTS R GND...
RS-232 is a simple serial communication standard in which one bit of data is transmitted at a time over a serial cable at the relatively slow rate of up to 20K bits/second and distances up to 50-ft. By specifying the voltage, signaling, pin wiring and control data between a host device...
ST202B C 5V电源多通道RS-232驱动器和接收器说明书 November 2007Rev. 71/18 ST202B ST202C 5 V powered multi-channel RS-232 drivers and receivers Features ■Supply voltage range: 4.5 to 5.5 V ■Supply current no load (typ.): 1.5 mA ■Transmitter output voltage swing (Typ): ± 9 V...