Creative SB0350 Hardware Programming Guide - Page 105

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6-20 DSP Commands 90h Output Remarks 90h 8-bit high-speed auto-init DMA mode digitized sound output The DSP will generate an interrupt to signal the application after transferring every Block Size of data set by command 48h. In high-speed mode, the DSP will not accept any other commands. To terminate high-speed mode, send a DSP reset command. The DSP reset command behaves differently while the DSP is in high-speed mode. It terminates high-speed mode and restores all DSP parameters to the states prior to entering the high-speed mode. See Also command 91h, 8-bit high-speed single-cycle DMA mode digitized sound output command 98h, 8-bit high-speed auto-init DMA mode digitized sound input 1.xx 2.00 2.01+ 9 3.xx 9 4.xx Available 91h Output Remarks 91h 8-bit high-speed single-cycle DMA mode digitized sound input After transferring a block of data of size set by command 48h, the DSP will generate an interrupt to signal the application and exit the high-speed mode. command 90h, 8-bit high-speed auto-init DMA mode digitized sound output command 99h, 8-bit high-speed single-cycle DMA mode digitized sound input 1.xx 2.00 2.01+ 9 3.xx 9 4.xx See Also Available

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6-20
DSP Commands
90h
8-bit high-speed auto-init DMA mode digitized
sound output
Output
90h
Remarks
The DSP will generate an interrupt to signal the application after transferring every
Block Size
of data set by command
48h
.
In high-speed mode, the DSP will not accept any other commands.
To terminate
high-speed mode, send a DSP reset command.
The DSP reset command behaves differently while the DSP is in high-speed mode.
It
terminates high-speed mode and restores all DSP parameters to the states prior to
entering the high-speed mode.
See Also
command
91h
, 8-bit high-speed single-cycle DMA mode digitized sound output
command
98h
, 8-bit high-speed auto-init DMA mode digitized sound input
Available
1.xx
2.00
2.01+
3.xx
4.xx
9
9
91h
8-bit high-speed single-cycle DMA mode digitized
sound input
Output
91h
Remarks
After transferring a block of data of size set by command
48h
, the DSP will generate
an interrupt to signal the application and exit the high-speed mode.
See Also
command
90h
, 8-bit high-speed auto-init DMA mode digitized sound output
command
99h
, 8-bit high-speed single-cycle DMA mode digitized sound input
Available
1.xx
2.00
2.01+
3.xx
4.xx
9
9