Contents
xiv ADSP-21368 SHARC Processor Hardware Reference
DMA Error Interrupts ...................................................... 6-25
DMA Chaining ................................................................ 6-27
SPI Transfer Formats .................................................................. 6-27
Beginning and Ending an SPI Transfer .................................. 6-29
SPI Word Lengths ...................................................................... 6-31
8-Bit Word Lengths .............................................................. 6-31
16-Bit Word Lengths ............................................................ 6-32
32-Bit Word Lengths ............................................................ 6-32
Packing ................................................................................. 6-32
SPI Interrupts ............................................................................. 6-33
Error Signals and Flags ............................................................... 6-35
Mode Fault Error (MME) ..................................................... 6-35
Transmission Error Bit (TUNF) ............................................ 6-37
Reception Error Bit (ROVF) ................................................. 6-37
Transmit Collision Error Bit (TXCOL) ................................. 6-37
Programming Notes .................................................................... 6-38
Routing SPI Signals Using The DPI ...................................... 6-38
Programming Examples .............................................................. 6-38
INPUT DATA PORT
Serial Inputs ................................................................................. 7-3
Parallel Data Acquisition Port (PDAP) .......................................... 7-8
Masking .................................................................................. 7-9
Packing Unit ........................................................................... 7-9
Packing Mode 11 ................................................................ 7-9
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