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Description MP3 frame syncronization signal. H: active. CDROM-CRC flag output / DRAM data output enable signal output. H: active. I/O digital supply pin. GND pin. DRAM write permit input (CD DA) / DRAM data demand flag input (CDROM). H: active. Data connection point detection completion flag (CD DA) / DRAM data serial output (CDROM). H: active.
O O I I I O I I I
DRAM write interrupt flag (CD DA) / DRAM data transfer clock output (CDROM). H: active. Command serial data output. (Nch open drain output pin) Command serial data input. Command serial clock input. Command enable input. H: active. Interrupt signal output. L: active. System reset. L: active. CD serial data input. CD bit clock input.
