What is STK88C4831?
This is Adpcm Voice Controller. |
[PDF] Complete Technical Details can be found in the
STK88C4831 datasheet
provided at this page.Summary in PDF FileSyntek Semiconductor Co Ltd 1 FEATURES STK88C4831 w w w D at aS he et 4U c om Voice Microcontroller 1 7 Ver 3 0 06 99 www datasheetgo.com Operating voltage 2 5V 3 5V Maximum CPU operating frequency 4MHz at 2 7V Built in RC oscillator circuit The oscillation frequency is controlled by an external resistor Built in PLL circuit to generate the system clock with 5 times oscillation frequency Audio output ports with 3 bit loudness control One current output port for speaker output Two PWM output ports can drive 8 16 64 ohm speaker or buzzer directly I O port 8 I O pins Port 1 with selectable interrupt Port 1 with 6 CDS interface and 2 schmitt trigger input Output port 8 output pins port 2 with 8 inverter type output pins Built in 128 bytes RAM Built in ROM for program and speech data 48K bytes for 88C4831 37K bytes for 88C3731 Three 8 bit timers Five interrupt sources NMI Watchdog Timer interrupt IRQ1 Timer 1 interrupt IRQ2 Timer 2 interrupt IRQ3 Timer 3 interrupt IRQ4 External interrupt Syntek Semiconductor Co Ltd STK88C4831 2 PIN DESCRIPTION Pin name P10 P17 P20 P27 AUD1 PWM1 PWM2 OSC RESB CAP TESTB VDD VSS I O I O O O O O I I I I Total 25 pads Function description 8 bit I O pins for |
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Manufacturers : Syntec Semiconductor  |
SYNTEC STK88C4831 CONTROLLER Adpcm Voice Controller |
Datasheet STK88C4831 PDF DownLoad ( SYNTEC ) |