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RTOS Software Developer Guide TSIP


User Interface




The TSIP is a multi-link serial interface consisting of a maximum of eight transmit data signals (or links), eight receive data signals (or links), two frame sync input signals, and two serial clock inputs. Internally the TSIP offers multiple channels of timeslot data management and multi-channel DMA capability that allow individual timeslots to be selectively processed.

The module can be configured to use the frame sync signals and the serial clocks as redundant sources for all transmit and receive data signals, or one frame sync and serial clock for transmit and the second frame sync and clock for receive. The standard serial data rate for each TSIP transmit and receive data signal is 8.192 Mbps. The standard frame sync is a one or more bit wide pulse that occurs once every 125 µs or a minimum of one serial clock period every 1024 serial clocks.

At the standard rate and default configuration there are eight transmit and eight receive links that are active. Each serial interface link supports up to 128 8-bit timeslots. This corresponds to an H-MVIP or H.110 serial data rate interface. The serial interface clock frequency can be either 16.384 MHz (default) or 8.192 MHz. The data rate for the serial interface links can also be set to 16.384 Mbps or 32.768 Mbps. The maximum number of active serial links is reduced to four and two, respectively, in these configurations. The serial interface clock frequency can be either 32.768 MHz or 16.384 MHz for 16.384 Mbps serial links, and 65.536 MHz or 32.768 MHz for 32.768 Mbps serial links. Maximum occupation of the serial interface links for the entire TSIP is 1024 transmit and receive timeslots in all configurations.

Driver Configuration

TSIP configuration involves configurations for desired stagger phase of a TSIP timeout, using Tsip_configPhase() API. For details about individual fields of this structure, see the Doxygen help by opening PDK_INSTALL_DIR\Packages\ti\drv\TSIP\docs\doxygen\html\index.html.


API reference for application:

#include <ti/drv/tsip/tsip.h>


Expected Results
tsip_Example application

Example demonstrating sample tsip test. Reference example for developers

User observes the output printed over the CCS console


Unit Test application to test all APIs

User observes the output printed over the CCS console

Additional References

Document Location
API Reference Manual $(TI_PDK_INSTALL_DIR)\packages\ti\drv\TSIP\docs\doxygen\html\index.html
Release Notes $(TI_PDK_INSTALL_DIR)\packages\ti\drv\TSIP\docs\ReleaseNotes_TSIP.pdf