Dual UART with I²C-Bus/SPI Interface, 64 Bs of Transmit and Receive FIFOs, IrDA SIR Built-In Support
Design Files
Receive the full breakdown. See the product footprint and more in the eCad file.
SPI to I²C-Bus Bridge
SC18IS604 is designed to serve as an interface between the standard SPI of a host (microcontroller, microprocessor, chip set, etc.) and the serial I²C-bus. This allows the host to communicate directly with other I²C-bus devices. SC18IS604 can operate as an I²C-bus controller-transmitter or controller-receiver. SC18IS604 controls all the I²C-bus specific sequences, protocol, arbitration and timing.
SC18IS604 is a functional replacement for SC18IS600 with exception of: new pinout, transmit and receive buffer of 255 bytes vs 96 bytes, three instead of four GPIOs but no longer with quasi bidirectional mode, operating supply voltage lower level lowered to 1.71 V vs 2.4 V and temperature range of -40 to 105 °C vs -40 to 85 °C.
Product Details
Features
Key Features
- SPI peripheral interface to I2C-bus controller
- High-speed SPI: Up to 1.2 Mbit/s
- Fast-mode I2C-bus: 375 kHz
- 255-byte TX and RX FIFO
- Five general purpose input/output (GPIO) pins
- 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 SC18IS604PW 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
UART to I²C-Bus Bridge
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
I²C-Bus to SPI Bridge
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Documentation
Quick reference to our documentation types.
4 documents
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Data Sheet
SC18IS604, SPI I2C-bus bridge - data sheet
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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
