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- I2C master up to 3.4 MHz†
- I2C multi-master support
- I2C slave up to 3.4 MHz
- GPIO with selectable pins
† Actual system bus speed may vary as a function of capacitance.
The I2C Active - Level 2 Application is a download that runs on your Promira Serial Platform. Once you have purchased a Promira Serial Platform, you'll be able to instantly download and add new applications as they become available.
All applications include one full-year of software maintenance. As long as your software maintenance is current, you can take advantage of our five-star support. Any time you purchase a new application for your Promira Serial Platform, we'll automatically extend the software maintenance for all applications that have current maintenance support (applications that are out of support do not receive this benefit, so it's always best to keep the maintenance current on your applications). That means if you purchase one new application per year, all your applications will be eligible for software support. Don't worry - if your software support is about to expire, we'll let you know and you'll have the option of purchasing continued software support.
- I2C Master: 1 kHz - 3.4 MHz
- I2C Slave: 1 kHz - 3.4 MHz
- I2C Master/Slave
- 12 GPIO pins
- Target Power: +3.3V, 5V, 100 mA max (pins 4 and 6)
- Supplementary I/O Power: 0.9 V - 3.45 V, 100 mA max (pins 22 and 24)
- Full support for Standard Mode (100 kbps) and Fast Mode Plus (1 Mbps) for I2C
- Full support for High Speed I2C (3.4 MHz)†
- Supports inter-bit and inter-byte clock stretching
- Supports multi-master
- Master transmit and receive
- Asynchronous slave transmit and receive
- Software configurable I2C pull-up resistors
- Software configurable target power pins to power downstream devices
- Repeated Start, 10-bit slave addressing, and Combined Format transactions
The I2C Active - Level 2 Application running on the Promira Serial Platform is compatible with:
- Display Data Channel (DDC)
- System Management Bus (SMBus)
- Power Management Bus (PMBus)
- Smart Battery Bus (SBBus)
- Intelligent Platform Management Interface (IPMI)
- Two-Wire Interface (TWI)
Learn more about I2C in the I2C Background Article.
† Actual system bus speed may vary as a function of capacitance.
- I2C pins can be repurposed for more general use, allowing them to be used for custom signals on target systems
- GPIO functionality can also be combined with I2C or SPI to interact with your target system
- GPIO configuration is cached internally to preserve settings between operational modes
The Promira Serial Platform comes complete with a royalty-free API so you can take full advantage of your licensed applications.
The low cost makes it affordable for a company to provide every developer with their own interface. The benefits of every developer having their own interface include:
- Less time wasted. Developers do not have to share tools or go to the lab to debug simple problems.
- Higher productivity. . Developers can identify and fix problems quickly and easily with less down-time.
- Shorter development cycles. Projects can get done on time and on budget.
By saving just a few hours of engineering time, the Promira Platform will have paid for itself.
The Promira platform is completely field-upgradable. Total Phase is committed to improving the Promira platform and offering new applications to increase the versatility of our products for our customers.
You will never have to worry about being out of step with the latest software features. As long as you maintain support on your software, you'll be able to download the latest eligible software and firmware upgrades.
