SN67009
Speech Controller
INTRODUCTION
SN67009 is a 9 seconds single chip voice synthesizer IC which contains I/O pin...
SN67009
Speech Controller
INTRODUCTION
SN67009 is a 9 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 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 9 seconds voice capacity are provided One 4-bit input port and two 4-bit I/O pins 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-20kHz is provided Fixed current D/A output is provided to drive external connected
transistor for sound output Low Voltage Reset
1
December20, 2000
SN67009
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 component connection pin For testing only Negative power supply D/A current output
2
December20, 2000
SN67009
Speech Controller
ABSOLUTE MAXIMUM RATING
Items Supply Voltage Input Voltage Operating Temp...