The 3.3V CMOS HI-6135 device provides a complete Remote Terminal interface between a host processor and MIL-STD-1553B bus. The terminal communicates with the MIL-STD-1553 buses through an on-chip dual bus transceiver and external transformers. The user allocates 16K bytes (8K x 17-bit words) of on-chip static RAM to suit application requirements.
The HI-6135 communicates with the host via a 40 MHz 4-wire serial peripheral interface (SPI). Programmable interrupts provide terminal status to the host processor. Circular data buffers in RAM have interrupts for rollover and programmable “level attained”.
The HI-6135 can be configured for automatic self-initialization after reset. A dedicated SPI port reads data from an external serial EEPROM to fully configure registers and RAM and optionally start execution.
Software
Various software support options are available for the HI-6135. A development kit (ADK-6135) includes low level software that demonstrates the broad features of the device. The MAMBATM Family API Application Development Kit (ADK-6138API) includes Holt's MIL-STD-1553 Application Programming Interface (API) library. In addition, Linux and Bare Metal (ARM) Software Drivers are available. Details are outlined below.
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Features
- MIL-STD-1553B/C, MIL-STD-1760, SAE AS15531A and STANAG 3838 compliant
- Third Party RT Validated.
- 8K x 17-bit words internal static RAM with parity.
- Autonomous terminal operation requires minimal host intervention.
- 40 MHz SPI Host Interface.
- MIL-STD-1760 option sets Busy bit in Status Word response during initialization.
- World’s smallest MIL-STD-1553 terminal, QFN package measures just 6mm x 6mm.
- 16-bit time tag counter and independent clock sources.
- 64-Word Interrupt Log Buffer queues the most recent 32 interrupts. Hardware-assisted interrupt decoding quickly identifies interrupt sources.
- Built-in self-test for protocol logic, digital signal paths and internal RAM.
- Optional self-initialization at reset uses external serial EEPROM
- ±8kV ESD Protection (HBM, all pins).
- Two temperature ranges: -40°C to +85°C, or -55°C to +125°C with optional burn-in.
- RoHS compliant and Tin / Lead options available.
Applications
- MIL-STD-1553 Terminals
- Flight Control and Monitoring
- Stores Management
- Sensor Interfaces
- Test Equipment
- Instrumentation