SN67004
Speech Controller
INTRODUCTION
SN67004 is a 4 seconds single chip voice synthesizer IC which contains I/O pin...
SN67004
Speech Controller
INTRODUCTION
SN67004 is a 4 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 4 seconds voice capacity are provided 6 I/O pins are 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 Fixed current D/A output is provided to drive external connected transistor for sound output
1
December 20, 2000
SN67004
Speech Controller
PIN ASSIGNMENT
Symbol P20 P21 P22 P23 P30 P31 VDD OSC TEST VSS VO I/O I/O I/O I/O I/O I/O I/O I I I I 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 Bit0 of I/O port 3 Bit1 of I/O port 3 Positive power supply Oscillation component connection pin For testing only Negative power supply D/A current output
2
December 20, 2000
SN67004
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 o
C C
ELECTRICAL CHARACTERISTICS
Item Operating
Voltage Standby Current Operating Current...