Speech Controller
SN68d04
Speech Controller
INTRODUCTION
SN68d04 is a 4 seconds single chip voice synthesizer IC which contains I/O pin...
Description
SN68d04
Speech Controller
INTRODUCTION
SN68d04 is a 4 seconds single chip voice synthesizer IC which contains I/O pins, a tiny controller and a PWM Direct Drive Circuit. By programming through the tiny controller, users’ applications including section combination, trigger modes, output status, and other logic functions can then be easily implemented.
FEATURES
Single power supply 2.4V - 5.1V Built in a tiny controller 4 seconds voice capacity are provided One 4-bit I/O ports are provided 64*4 bits RAM are provided Maximum 12k program ROM is provided Readable ROM code data Built in a high quality speech synthesizer Adaptive playing speed from 2.5k-20kHz is provided Built in a dual tone melody generator Speech/Dual tone melody mixer is provided Built in a PWM Direct Drive circuit output BUO1 and BUO2 directly connected to Speaker for sound output
1
December 20, 2000
SN68d04
Speech Controller
PIN ASSIGNMENT
Symbol P20 P21 P22 P23 VDD OSC GND BUO1 BUO2 I/O I/O I/O I/O I/O I I I O O Function Description Bit0 of I/O port 2 Bit1 of I/O port 2 Bit2 of I/O port 2 Bit3 of I/O port 2 Positive power supply Oscillation component connection pin Negative power supply PWM output 1 PWM output 2
2
December 20, 2000
SN68d04
Speech Controller
ABSOLUTE MAXIMUM RATING
Items Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol VDD VIN TOP TSTG Min -0.3 VSS-0.3 -20.0 -55.0 Max 6.0 VDD+0.3 70.0 125.0 Unit. V V o C o C
ELECTRICAL CHA...
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