YMF724F
3. YMF727(AC3F2) Interface (9-pin)
name | I/O | type | size | function |
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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 |
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DIT | O | T | 3mA | Digital audio interface output (48kHz) |
5. Legacy Device Interface (16-pin)
name | I/O | type | Size | function |
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IRQ5 | O | Ttr | 12mA | Interrupt5 of Legacy Audio |
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| It is directly connected to the interrupt signal of |
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| 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 |
September 21, 1998
