2-CH Izolovani RS232 HAT za Raspberry Pi

SKU:  17498
Part Number:  2-CH RS232 HAT
Brand:  Waveshare

2-Channel Isolated RS232 Expansion HAT For Raspberry Pi, SC16IS752+SP3232 Solution, With Multi Onboard Protection Circuits Overview

This is a 2-channel isolated RS232 expansion HAT designed for Raspberry Pi, adopts the SC16IS752+SP3232 solution, with embedded protection circuits such as power supply isolation, ADI magnetical isolation, and TVS diode, etc.

It is easy to control the 2-channel RS232 via SPI interface. Due to its fast communication, stability, reliability, and safety,  it is an ideal choice for fields like industrial automation.

Features

• Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
• Adopts SC16IS752+SP3232 dual chip combination, converts SPI to RS232, data rate up to 921600bps
• Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning-proof &anti-electrostatic
• Onboard LEDs for indicating the power and transceiver status
• Breakout SPI control pins, for connecting with host control boards like Arduino
• Comes with development resources and manual (examples in C and Python)

Specifications

• UART expansion chip: SC16IS752
• RS232 transceiver: SP3232
• Communication interface: SPI
• Data rate: 300 ~ 921600 bps
• Operating voltage: 3.3V / 5V
• Dimensions: 65mm × 56.5mm
• Mounting hole size: 3.0mm

What’s on Board

1. SC16IS752 UART expansion chip
2. SP3232 RS232 transceiver
3. ADUM1412 digital isolator
4. B0505LS power supply isolation module
5. RT9193-33 power chip
6. Raspberry Pi GPIO connector:  for connecting Raspberry Pi
7. MCU control header:  for connecting host control boards like Arduino
8. RS232 connector:  2 channels RS232 interface (RS232 9PIN male)
9. Transient suppress diode array
10. ESD protection two-way diode
11. Serial port status indicator
    RXD1/TXD1: channel 1 transceiving indicator
    RXD2/TXD2: channel 2 transceiving indicator
12. Power indicator
13. Interrupt pin switch
    The interrupt pin IRQ is connected to P5 (BCM P24) by default
    Changeable via 0R resistor

Example

Note: the Raspberry Pi and serial cables are NOT included.

Pinouts PINRASPBERRY PI (BCM)DESCRIPTION VCC 5V 3.3V/5V power supply GND GND Ground SCK P21 (SPI1 SCLK) SPI clock input MOSI P20 (SPI1 MOSI) SPI data input MISO P19 (SPI1 MISO) SPI data output CS P18 (SPI1 CS) SPI chip select IRQ P24 Interrupt output Dimension

Development Resources PACKAGE CONTENT

Weight:  0.038 kg

Note: this HAT doesn’t come with any serial cable, you may also want to pick up the following cables for easy use:

• Serial Cable Dual Female Crossover: for connecting RS232 devices with male connector, OR for self transceiving test of the HAT’s 2 channels RS232
• Serial Cable Male to Female Straight Through: for connecting RS232 devices with female connector

1. 2-CH RS232 HAT x1
2. 2x20PIN female pinheader x1
3. RPi screws pack (2pcs) x1

Wiki :  www. waveshare. com/wiki/2-CH_RS232_HAT

w17498

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