Waveshare 2-Channel Isolated RS232 Expansion HAT SC16IS752+SP3232 for Raspberry Pi

Specifications UART expansion chip SC16IS752RS232 transceiver SP3232Communication interface SPIData rate 300 921600 bpsOperating voltage 3 3V 5VDimensions 65mm x 56 5mmMounting hole size 3 0mm  Connectors  1 SC16IS752 UART expansion chip2 SP3232 RS232 transceiver3 ADUM1412 digital isolator4 B0505LS power supply isolation module5 RT9193 33 power chip6 for Raspberry Pi GPIO connector for connecting Raspberry Pi7 MCU control header for connecting host control boards like Arduino8 RS232 connector 2 channels RS232 interface RS232 9PIN male 9 Transient suppress diode array10 ESD protection two way diode11 Serial port status indicatorRXD1 TXD1 channel 1 transceiving indicatorRXD2 TXD2 channel 2 transceiving indicator12 Power indicator13 Interrupt pin switchThe interruptpin IRQ is connected to P5 BCM P24 by defaultChangeable via 0R resistor Package Included  1 2 CH RS232 HAT1 2x20PIN female pinheader1 RPi screws pack 2pcs