BT8048
BLOCK DIAGRAM
OSC1
ENV1
ACCOMPANMENT
GENERATOR
ENVELOPE
MIXER
OSCI LLATOR
OSC2
RHYTHM
ROM
ENV2
MO
TEMPO ROM
ENVELOPE
MIXER
MELODY
ROM
RHYTHM
GENERATOR
B/ E
MELODY ROM
SEL1
SEL2
MT
ADDRESS
COUNTER
CONTROL
P1
OUT1
OUT2
DRIVER
CONTROL ROM
TONE
GENERATOR
PIN DESCRIPTION
Pull-Down
Resistor
Pin. No. Pin Name
Functions
OSC1
OSC2
-
-
A resistor is connected between both terminals to from a ring
oscillator, or external reference signals are applied to OSC1.
1
2
For binary selection: this Terminal in Conjunction with SEL1, selects a Melody.
SEL1
Provided
3
For direct selection: Selects Melody 2 and Controls Start and Stop of it’s
Performance.
VSS
ENV1
ENV2
MO
-
-
-
-
-
Power Supply Terminal (0V).
4
5
6
7
8
Connects Resistor and Capacitor to add Envelope to Main Melody.
Connects Resistor and Capacitor to add Envelope to Accompaniment.
Output Terminal or Acoustic Signals that have not been Amplified.
3.0V to 5.0V Operating Voltage
VDD
2
INTEGRAL [ INTEGRAL CORP. ]
