Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 764

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Electrical Specifications
The tasks performed at each interrupt are:
TWIRXINT
This interrupt is generated due to the arrival of one or two data
bytes into the receive FIFO. The
time (or earlier) and
direction of the next transfer. The
before the addressing phase of the subsequent transfer begins.
TWIMCOMP
This interrupt has occurred due to the completion of the data
receive transfer. At this time the data transmit transfer begins. The
TWIDCNT
transmitted. Clear the
TWITXINT
This interrupt is generated when there is one or two bytes of empty
space in the FIFO. Simple data handling is all that is required.
TWIMCOM
The transfer is complete.
Electrical Specifications
All logic complies with the electrical specification outlined in the Philips
2
I
C Bus Specification version 2.1 dated January, 2000.
21-26
www.BDTIC.com/ADI
interrupt
should be cleared to reflect the change in
MDIR
interrupt
field should be set to reflect the number of bytes to be
TWIRSTART
interrupt
interrupt
ADSP-214xx SHARC Processor Hardware Reference
bit should be set at this
TWIRSTART
bit must be cleared
TWIMDIR
bit if this is the last transfer.

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