Yamaha OPL3-SA3 YMF715E, Multi-purposepins : 13 pins, Others 27 pins, Total 100 pins

YMF715E

Multi-purpose pins : 13 pins

name	pins	I/O	type	size	function
SEL2-0	3	I+	CMOS	-	Refer to “Multi-purpose pins” section
MP9-0	10	I+/O	TTL	2mA	Refer to “multi-purpose pins” section
Others : 27 pins
name	pins	I/O	type	size	function
GP3-0	4	IA	-	-	Game Port
GP7-4	4	I+	Schmitt	-	Game Port
RXD	1	I+	Schmitt	-	MIDI Data Receive
TXD	1	O	TTL	4mA	MIDI Data Transfer
/VOLUP	1	I+	Schmitt	-	Hardware Volume (Up)
/VOLDW	1	I+	Schmitt	-	Hardware Volume (Down)
X33I	1	I	CMOS	-	33.8688 MHz
X33O	1	O	CMOS	2mA	33.8688 MHz
X24I	1	I	CMOS	-	24.576 MHz
X24O	1	O	CMOS	2mA	24.576 MHz
AVDD	2	-	-	-	Analog Power Supply (put on +5.0V)
DVDD	3	-	-	-	Digital Power Supply (put on +5.0 V or +3.3V)
AVSS	2	-	-	-	Analog GND
DVSS	4	-	-	-	Digital GND

Total : 100 pins

Note :	I+:	Input Pin with Pull up Resistor	T: TTL-tri-state output pin
	Schmitt:	TTL-Schmitt input pin

May 21, 1997

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