SN65004

SN65004 One Channel Direct Drive Speech Controller „ INTRODUCTION SN65004 Series is 4 seconds one-channel single chip voice synthesizer IC which contains a PWM Direct Drive Circuit. There is one 2-bit I/O port and built in a tiny controller. By programming through the tiny controller, user’s applications including section combination, trigger modes, output status, and other logic functions can be easily implemented. „ FEATURES Š Š Š Š Š Š Š Š Š Š Š Single power supply 2.4V – 5.1V 4 seconds voice capacity is provided Built in a tiny controller One 2-bit I/O port is provided 32*4 bits RAM are provided Maximum 16k 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 PWM Direct Drive circuit output BUO1 and BUO2 directly connected to Speaker for sound output System clock: 1MHZ „ PIN ASSIGNMENT Symbol P20 P21 VDD OSC TEST GND BUO1 BUO2 I/O I/O I/O I I I I O O Function Description Bit0 of I/O port 2 Bit1 of I/O port 2 Positive power supply Oscillation component connection pin For testing only Negative power supply PWM output 1 PWM output 2 1 December 20, 2000 SN65004 One Channel Direct Drive Speech Controller „ ABSOLUTE MAXIMUM RATINGS Items Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol VDD-V VIN TOP TSTG Min -0.3 GND-0.3 -20.0 -55.0 Max 6.0 VDD+0.3 70.0 125.0 Unit. V V o o C C „ ELECTRICAL CHARACTERISTICS Item Operating Voltage Standby current...