The 3.3V CMOS HI-6136 device provides a complete single- or multi-function interface between a host processor and MIL-STD-1553B bus. Each IC contains a Remote Terminal (RT) and a Bus Monitor Terminal (MT). Any combination of the contained 1553 functions can be enabled for concurrent operation. The enabled terminals communicate with the MIL-STD-1553 buses through a shared on-chip dual bus transceiver and external transformers. The user allocates 16K bytes (8K x 17-bit words) of on-chip static RAM between devices to suit application requirements.
The HI-6136 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-6136 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 for any of the terminal devices.
Software
Various software support options are available for the HI-6136. A development kit (ADK-6136) 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.
Features
- MIL-STD-1553B/C, MIL-STD-1760, SAE AS15531A and STANAG 3838 compliant
- Concurrent multi-terminal operation for RT and/or MT MIL-STD-1553B functions.
- 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.
- Simple Monitor Terminal (SMT) Mode records commands and data separately, with 16-bit or 48-bit time tagging.
- Independent 16-bit time tag counters and clock sources for RT and MT. The MT also has a 48-bit time count option.
- 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