Details
2-Channel Isolated RS232 Expansion HAT for Raspberry Pi, SC16IS752+SP3232 Solution, with Multi Onboard Protection Circuits
2-channel isolated RS232 HAT for Raspberry Pi
2-Ch RS232, SPI communication
Bulit-in power supply isolation, magnetical isolation, and TVS diode, etc.
Features at a glance
- 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, lightningproof & 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 online 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 | 65.0 × 56.5mm |
| Mounting hole size | 3.0mm |
Connect to Raspberry Pi series boards
Standard Raspberry Pi 40PIN GPIO Header, Customized For Raspberry Pi Series Boards
Industrial Grade Isolated Protection
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Supports 2-ch RS232
Using SC16IS752 UART expansion chip with SP3232 transceiver
What's On Board
- SC16IS752
UART expansion chip - SP3232
RS232 transceiver - π142M61
digital isolator - B0505LS
power supply isolation module - RT9193-33
power chip - Raspberry Pi GPIO header
for connecting Raspberry Pi
- MCU control header
for connecting host control boards like Arduino - RS232 connector
2 channels RS232 interface (RS232 9PIN male) - Transient suppress diode array
- ESD protection two-way diode
- Serial port status indicators
RXD1/TXD1: channel 1 transceiving indicator
RXD2/TXD2: channel 2 transceiving indicator - Power indicator
- Interrupt pin switch
The interrupt pin IRQ is connected to P5 (BCM P24) by default, changeable via 0R resistor
Pin Definition
Product show
Outline dimensions
Resources & Services
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Weight: 0.049 kg
Quick Overview
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
- 2-CH RS232 HAT x1
- 2x20PIN female pinheader x1
- RPi screws pack (2pcs) x1
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