SN68040 Datasheet | SONiX Technology Company

Speech Controller - INTRODUCTION SN68040 is a 40 seconds single chip voice synthesizer IC which contains I/O pins and a tiny controller. By programming through the tiny controller, user’s applications including section bination, 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 40 seconds voice capacity are provided One 4-bit input port and two 4-bit I/O ports are provided 64- 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-20k Hz is provided Built in a dual tone melody generator Speech/Dual tone melody mixer is provided Fixed current D/A output is provided to drive external connected transistor for sound output Low Voltage Reset December 20, 2000 Speech Controller - PIN ASSIGNMENT Symbol P10 P11 P12 P13 P20 P21 P22 P23 P30 P31 P32 P33 VDD OSC TEST VSS VO I/O I I I I I/O I/O I/O I/O I/O I/O I/O I/O I I I I O Function Description Bit0 of input port 1 Bit1 of input port 1 Bit2 of input port 1 Bit3 of input port 1 Bit0 of I/O port 2 Bit1 of I/O port 2 Bit2 of I/O port 2 Bit3 of I/O port 2 Bit0 of I/O port 3 Bit1 of I/O port 3 Bit2 of I/O port 3 Bit3 of I/O port 3 Positive power supply Oscillation ponent connection pin For testing only Negative power supply D/A current output December 20, 2000 Speech Controller -...