I2C/SPI Active Comparison
Review active I2C and SPI capabilities across Total Phase's line of I2C and SPI Host Adapters, including the Aardvark I2C/SPI Host Adapter, Cheetah SPI Host Adapter, and the I2C/SPI Active Applications for the Promira Serial Platform.
Aardvark I2C/SPI Host Adapter
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Cheetah SPI Host Adapter
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I2C Active - Level 1 Application
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I2C Active - Level 2 Application
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SPI Active - Level 1 Application
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SPI Active - Level 2 Application
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SPI Active - Level 3 Application
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Part Number
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TP240141 | TP280121 | TP600110 | TP600210 | TP600510 | TP600610 | TP600710 |
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I2C Master
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Up to 800 kHz 1 | Up to 1 MHz | Up to 3.4 MHz | ||||
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I2C Slave
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Up to 800 kHz 1 | Up to 1 MHz | Up to 3.4 MHz | ||||
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SPI Master
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Up to 8 MHz 2 | Up to 40 MHz+ 3 | Up to 12.5 MHz | Up to 40 MHz | Up to 80 MHz | ||
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SPI Slave
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Up to 4 MHz 2 | Up to 8 MHz | Up to 20 MHz | Up to 20 MHz | |||
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Single Slave Response
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64 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | |
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GPIO
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Up to 6 | Up to 6 | Up to 12 | Up to 6 | Up to 12 | Up to 16 | |
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Slave Select
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1 | Up to 3 | 1 | Up to 3 | Up to 8 | ||
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Voltage Level Shifting
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Accessory Board | Accessory Board | Built-in | Built-in | Built-in | Built-in | Built-in |
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Single/Dual/Quad SPI
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Single SPI | Single SPI | Single SPI | Single/Dual SPI | Single/Dual/Quad SPI | ||
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Gigabit Ethernet Connectivity
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USB Bus Powered Device
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Full-Speed | High-Speed | High-Speed | High-Speed | High-Speed | High-Speed | High-Speed |
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Windows, Linux, macOS Support
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Software GUIs
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Royalty-Free APIs
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1 Actual system bus speed may vary as a function of capacitance.
2 The quoted values are intra-byte speeds. Please refer to the datasheet for timing restrictions.
3 Customers have successfully over-clocked the Cheetah SPI adapter to 50 MHz.