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YMF724F
September 21, 1998
-5-
3. YMF727(AC3F2) Interface (9-pin)
name I/O type size function
XRST# O C 2mA Reset for local device
ACS# O T 3mA Chip select for AC3F2
ASCLK O T 6mA Clock for Serial control data transfer of AC3F2
ACDO O T 3mA Serial control data output of AC3F2
ACDI I Tup - Serial control data input of AC3F2
ALRCK O T 3mA L/R clock for Serial audio data of AC3F2
ABCLK O T 6mA Bit clock for Serial audio data of AC3F2
ASDO O T 3mA Serial audio data output to AC3F2
ASDI I Tup - Mixed Serial audio data input of AC3F2
4. SPDIF Interface (1-pin)
name I/O type Size function
DIT O T 3mA Digital audio interface output (48kHz)
5. Legacy Device Interface (16-pin)
name I/O type Size function
IRQ5 O Ttr 12mA Interrupt5 of Legacy Audio
It is directly connected to the interrupt signal of
System I/O chip.
IRQ7 O Ttr 12mA Interrupt7 of Legacy Audio
IRQ9 O Ttr 12mA Interrupt9 of Legacy Audio
IRQ10 O Ttr 12mA Interrupt10 of Legacy Audio
IRQ11 O Ttr 12mA Interrupt11 of Legacy Audio.
GP[3:0] I A - Game Port
GP[7:4] I Tup - Game Port
GREF I A - Reference for Game Port
RXD I Tup - MIDI Data Receive
TXD O T 3mA MIDI Data Transfer