SC18IS602/602B/603

General description

The SC18IS602/602B and SC18IS603 are 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. The SC18IS602/602B/603 operates as an I²C-bus slave-transmitter or slave-receiver and an SPI master. The SC18IS602/602B/603 controls all the SPI bus-specific sequences, protocol, and timing.

The SC18IS602/602B has its own internal oscillator, while the SC18IS603 requires an external clock source for operation. SC18IS602 and SC18IS603 do not support SS2 function as SPI slave select signal; this pin can only be used as GPIO2.

Features

• I²C-bus slave interface operating up to 400 kHz
• SPI master operating up to 1.8 Mbit/s (SC18IS602/602B) or 4 Mbit/s (SC18IS603)
• 200-byte data buffer
• Up to four slave select outputs
• Up to four programmable I/O pins
• Operating supply voltage: 2.4 V to 3.6 V
• Low power mode
• Internal oscillator option
• Active LOW interrupt output
• ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
• Latch-up testing is done to JEDEC Standard JESD78 that exceeds 100 mA
• Very small 16-pin TSSOP

Products/packages

Pricing/ordering/availability

Applications

• Converting I²C-bus to SPI
• Adding additional SPI bus controllers to an existing system

Block diagrams/pinning

Technical documents

Application Notes

AN10668_1; SC18IS602 revision A die errata (30-Nov-07)

Support Documents

75016189; NXP I (2008-06-01)

75015763; NXP I²C/SPI master bridges SC18IS600/601, SC18IS602/603, and SC18IM700 (2006-11-01)

web; NXP SC18IS602 I2C slave to SPI master/GPIO bridge demoboard ()

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