ALS300 Datasheet, PDF (35/66 Pages) List of Unclassifed Manufacturers – Media Audio Controller SPEC

Avance Logic Inc.
75h first 2:1 ADPCM 4 to 8 bit normal DMA output
a. ESP_WRITE(75h)
b. ESP_WRITE(length.low)
c. ESP_WRITE(length.high)
Length = # of byte transfer - 1
ESP will generate an interrupt after the specified size of data transferred.
76h 3:1 ADPCM 2.6 to 8 bit normal DMA output
a. ESP_WRITE(76h)
b. ESP_WRITE(length.low)
c. ESP_WRITE(length.high)
Length = # of byte transfer - 1
ESP will generate an interrupt after the specified size of data transferred.
77h first 3:1 ADPCM 2.6 to 8 bit normal DMA output
a. ESP_WRITE(77h)
b. ESP_WRITE(length.low)
c. ESP_WRITE(length.high)
Length = # of byte transfer - 1
ESP will generate an interrupt after the specified size of data transferred.
*7Ah 4:1 ADPCM 2 to 8 bit continuous DMA output
ESP_WRITE(7Ah)
ESP will generate an interrupt for every specified block size transferred.
*7Bh first 4:1 ADPCM 2 to 8 bit continuous DMA output
ESP_WRITE(7Bh)
ESP will generate an interrupt for every specified block size transferred.
7Ch 2:1 ADPCM 4 to 8 bit continuous DMA output
ESP_WRITE(7Ch)
ESP will generate an interrupt for every specified block size transferred.
7Dh first 2:1 ADPCM 4 to 8 bit continuous DMA output
ESP_WRITE(7Dh)
ESP will generate an interrupt for every specified block size transferred.
7Eh 3:1 ADPCM 2.6 to 8 bit continuous DMA output
ESP_WRITE(7Eh)
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ALS300