Application Specific Real-Time Microkernel in Hardware
This article demonstrates that a hardware based real-time kernel can keep or increase the performance of a monolithic structured real-time operating system, while improving system modularity.
Vendor:
NetTimeLogic GmbH
Category:
Timers & Watchdogs
Real Time Clock (RTC) Master core
NetTimeLogic’s RTC Master Clock is a full hardware (FPGA) only implementation of a synchronization core allowing to read and writ…
Overview
NetTimeLogic’s RTC Master Clock is a full hardware (FPGA) only implementation of a synchronization core allowing to read and write a I2C Realtime Clock (RTC) like the DS1307 or MCP7941x. Access to the RTC is done from the FPGA without software interaction. It allows storing and recovering time from a non-volatile storage. Reading and Writing is aligned with the Square Wave Output of the RTC. On a read, a nanosecond part is calculated to achieve maximum accuracy. Conversion from/to 32bit second, 32bit nanosecond time format from/to the date format used by the RTC is completely done in HW. This allows running RTC synchronization completely independent and standalone from the user application. The core can be configured either by signals or by an AXI4Light-Slave Register interface.
All calculations and corrections are implemented completely in HW.
All calculations and corrections are implemented completely in HW.
Key features
- Real Time Clock (RTC) Master Clock
- Supports DS1307 and MCP7941x (and compatible) Real Time Clocks (RTC) and self-configuration at startup
- Allows to synchronize the internal clock to the RTC and vise versa
- Built-in I2C controller with configurable baud rate
- Aligned writing and reading of time with the RTC PPS
- Hardware time conversion from Time of Day format (hh:mm:ss dd:mm:yyyy) into seconds since midnight 1.1.1970 (Linux, TAI, PTP)
- PI Servo Loop in hardware
- In combination with a Adjustable Counter Clock from NetTimeLogic: synchronization accuracy: +/- 100ns
- AXI4 Light register set or static configuration
Block Diagram
NTL_RTC_MASTER block diagram
Benefits
- Coprocessor handling RTC synchronization standalone in the core.
- Simple interface
Applications
- Distributed data acquisition
- Ethernet based automation networks
- Automation
- Robotic
- Automotive
- Test and measurement
What’s Included?
- Source Code (not encrypted, not obfuscated)
- Reference Designs
- Testbench with Stimulifiles
- Configuration Tool
- Documentation
Specifications
Identity
Part Number
NTL_RTC_MASTER
Vendor
NetTimeLogic GmbH
Type
Silicon IP
Files
Note: some files may require an NDA depending on provider policy.
Provider
HQ:
Switzerland
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Frequently asked questions about Timers & Watchdogs IP cores
What is Real Time Clock (RTC) Master core?
Real Time Clock (RTC) Master core is a Timers & Watchdogs IP core from NetTimeLogic GmbH listed on Semi IP Hub.
How should engineers evaluate this Timers & Watchdogs?
Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this Timers & Watchdogs IP.
Can this semiconductor IP be compared with similar products?
Yes. Buyers can compare this product with similar semiconductor IP cores or IP families based on category, provider, process options, and structured technical specifications.