Download Creative 16-Bit Sound Card Specifications

Contents
Sample Procedures ..................................................................................................3-10
General Procedures for a DMA mode Transfer.........................................3-11
Handling the DSP Digitized Sound I/O Interrupt .......................................3-11
8-bit Mono Single-cycle Transfer..............................................................3-12
8-bit Mono Auto-initialize Transfer ..........................................................3-14
8-bit Mono High-Speed Single-cycle Transfer..........................................3-16
8-bit Mono High-Speed Auto-initialize Transfer.......................................3-18
8-bit Stereo High-speed Single-cycle Transfer .........................................3-20
8-bit Stereo High-Speed Auto-initialize Transfer......................................3-22
8-bit or 16-bit Single-cycle Transfer.........................................................3-25
8-bit or 16-bit Auto-initialize Transfer......................................................3-27
Chapter 4
Mixer Chip Programming
Programming Sequence..............................................................................................4-2
CT1335 Mixer ...........................................................................................................4-4
Features .......................................................................................................4-4
Register Functions .......................................................................................4-4
CT1345 Mixer ...........................................................................................................4-6
Features .......................................................................................................4-6
Register Functions .......................................................................................4-7
CT1745 Mixer .........................................................................................................4-10
Features .....................................................................................................4-10
Register Functions .....................................................................................4-11
Chapter 5
MIDI Port I/O Programming
SB-MIDI Mode..........................................................................................................5-2
I/O Addresses..............................................................................................5-2
Sending MIDI Data......................................................................................5-3
Reading MIDI Data......................................................................................5-4
MPU-401 UART Mode..............................................................................................5-5
I/O Addresses..............................................................................................5-5
Checking the Status......................................................................................5-6
Sending a Command ....................................................................................5-7
Sending MIDI Data....................................................................................5-10
Reading MIDI Data....................................................................................5-10
Chapter 6
DSP Commands
Commands by Category..............................................................................................6-2
Command Descriptions..............................................................................................6-5
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