YMF715E Datasheet, PDF (4/54 Pages) YAMAHA CORPORATION – OPL3 Single-chip Audio System 3

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Multi-purpose pins : 13 pins
name
pins I/O type
SEL2-0
3 I+ CMOS
MP9-0
10 I+/O TTL
size
-
2mA
function
Refer to “Multi-purpose pins” section
Refer to “multi-purpose pins” section
Others : 27 pins
name
GP3-0
GP7-4
RXD
TXD
/VOLUP
/VOLDW
X33I
X33O
X24I
X24O
AVDD
DVDD
AVSS
DVSS
pins I/O type size function
4 IA
-
- Game Port
4 I+ Schmitt
-
Game Port
1 I+ Schmitt
-
MIDI Data Receive
1 O TTL 4mA MIDI Data Transfer
1 I+ Schmitt
-
Hardware Volume (Up)
1 I+ Schmitt
-
Hardware Volume (Down)
1
I CMOS
- 33.8688 MHz
1 O CMOS 2mA 33.8688 MHz
1
I CMOS
- 24.576 MHz
1 O CMOS 2mA 24.576 MHz
2
-
-
- Analog Power Supply (put on +5.0V)
3
-
-
- Digital Power Supply (put on +5.0 V or +3.3V)
2
-
-
- Analog GND
4
-
-
- Digital GND
Total : 100 pins
Note :
I+:
Input Pin with Pull up Resistor
Schmitt: TTL-Schmitt input pin
T: TTL-tri-state output pin
May 21, 1997
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