UART to I²C-Bus Bridge
Design Files
Receive the full breakdown. See the product footprint and more in the eCad file.
I²C-Bus to SPI Bridge
SC18IS606 is designed to serve as an interface between a standard I²C-bus of a microcontroller and an SPI bus. This allows the microcontroller to communicate directly with SPI devices through its I²C-bus. SC18IS606 operates as an I²C-bus target-transmitter or target-receiver and an SPI controller. SC18IS606 controls all the SPI bus specific sequences, protocol and timing. SC18IS606 has its own internal oscillator, and it supports three SPI chip select outputs that may be configured as GPIO when not used as SPI chip select.
SC18IS606 is a functional replacement for SC18IS602B with exception of: new pinout, three instead of four chip selects but without quasi bidirectional mode, operating supply voltage lower level of 1.71 V vs 2.4 V, data buffer increased to 1024 bytes vs 200 bytes and temperature range of -40 °C to 105 °C vs -40 °C to 85 °C.
Product Details
Features
Key Features
- I2C-bus peripheral interface to SPI controller
- Fast-mode I2C-bus: 400 kHz
- High-speed SPI: Up to 1.8 Mbit/s
- 1024-byte TX and RX FIFO
- Three target chip select output pins which can be used instead for general purpose input/output (GPIO)
- 1.71 V to 3.6 V operation with 5 V tolerant I/O pins
Temperature Range
- -40 to 105 °C
ESD Protection
- Exceeds 2000 V HBM per JESD22-A114
Product Longevity Program
- This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The SC18IS606PW is included in the 10-year program
Comparison Table
SPI/UART to I²C
| Part Number | UART | SPI | I²C | GPIO | Function |
| SC18IS604 | NA | 1.2 MHz | 375 kHz | 5 | SPI to I²C |
| SC18IM704 | 460.8 Kbit/s | NA | 375 kHz | 8 | UART to I²C |
I²C to SPI
| Part Number | UART | SPI | I²C | GPIO | Function |
| SC18IS606 | NA | 1.8 MHz | 400 kHz | 3 | I²C to SPI |
I²C/SPI to UART
| Part Number | UART | SPI | I²C | GPIO | Function |
| SC16IS740/750/752 | 5 Mbit/s | 15 Mbit/s | 400 kHz | 8 | I²C/SPI to UART |
Related products
Single UART with I²C-Bus/SPI Interface, 64 B of Transmit and Receive FIFOs, IrDA SIR Built-In Support
Single UART with I²C-Bus/SPI Interface, 64 Bs of Transmit and Receive FIFOs, IrDA SIR Built-In Support
SPI to I²C-Bus Bridge
Buy/Parametrics
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Documentation
Quick reference to our documentation types.
4 documents
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User Guide
I2C-bus specification and user manual
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Fact Sheet
Next Generation Bridges - Fact Sheet
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Selector Guide
NXP System Management I2C, I3C and SPI Selector Guide
