Back to NXP Semiconductors

NXP Semiconductors SC18IM704 UART to I2C-Bus Bridge

NXP Semiconductors SC18IM704 UART to I2C-Bus Bridge is designed to serve as an interface between the standard UART port of a microcontroller or microprocessor and the serial I2C-bus. The UART to I2C-Bus Bridge allows the MCU or MPU to communicate directly with other I2C-bus devices. The SC18IM704 can also operate as an I2C-bus controller. The device can control all the I2C-bus specific sequences, protocol, arbitration, and timing. The host communicates with the SC18IM704 with ASCII message protocol making the control sequences very simple.

The NXP Semiconductors SC18IM704 UART to I2C-Bus Bridge is offered in a compact TSSOP16 package with a -40°C to +105°C operating temperature range.

Features

  • UART host interface
  • I2C-bus controller
  • Eight programmable I/O pins
  • High-speed UART: baud rate up to 8 kbit/s
  • Fast-mode 375kHz I2C-bus
  • 256byte TX FIFO
  • 256byte RX FIFO
  • Programmable baud rate generator
  • 1.71V and 3.6V operation
  • Sleep mode (power-down)
  • UART message format resembles I2C-bus transaction format
  • I2C-bus controller functions
  • Multi-controller capability
  • 5V tolerance on the input pins
  • 8 N 1 UART format (8 data bits, no parity bit, 1 stop bit)
  • ESD protection exceeds 2000V HBM per JESD22-A114
  • Latch-up testing is done to JEDEC Standard JESD78 that exceeds 100mA
  • -40°C to +105°C operating temperature range
  • TSSOP16 package

Applications

  • Enables I2C-bus controller support in a system
  • I2C-bus instrumentation and control
  • Industrial control
  • Medical equipment
  • Cellular telephones
  • Handheld computers

Resources

Videos

Development Tools

Mikroe MIKROE-5508 UART to I2C Click

Compact add-on board connecting UART controllers to I2C targets for protocol conversion.

Learn Moreabout Mikroe MIKROE-5508 UART to I2C Click View Productsrelated to Mikroe MIKROE-5508 UART to I2C Click

Related Products

NXP Semiconductors SC18IS604 SPI to I2C-Bus Bridge

Serves as an interface between the SPI of an MCU or MPU and a serial I2C-bus.

Learn Moreabout NXP Semiconductors SC18IS604 SPI to I2C-Bus Bridge View Productsrelated to NXP Semiconductors SC18IS604 SPI to I2C-Bus Bridge

NXP Semiconductors SC18IS606 I2C-Bus to SPI Bridge

Serves as an interface between the I2C-bus of an MCU and an SPI bus.

Learn Moreabout NXP Semiconductors SC18IS606 I2C-Bus to SPI Bridge View Productsrelated to NXP Semiconductors SC18IS606 I2C-Bus to SPI Bridge

Block Diagram

Block Diagram - NXP Semiconductors SC18IM704 UART to I2C-Bus Bridge

Typical Application

Application Circuit Diagram - NXP Semiconductors SC18IM704 UART to I2C-Bus Bridge

Package Outline

Mechanical Drawing - NXP Semiconductors SC18IM704 UART to I2C-Bus Bridge
Published: 2022-03-17 | Updated: 2024-05-17