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STK88C4831 - Adpcm Voice Controller

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 port 1 with wake-up interrupt 8-bit output pins for port 2 Audio channel 1 current mode D/A output Audio channel 1 PWM output Audio channel 2 PWM outp

Features

  • : STK88C4831 w w w . D at aS he et 4U . c om Voice Microcontroller 1 / 7 Ver 3.0 06/99 www. DataSheet4U. 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 P.

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Datasheet Details

Part number STK88C4831
Manufacturer Syntec Semiconductor
File Size 133.39 KB
Description Adpcm Voice Controller
Datasheet download datasheet STK88C4831 Datasheet

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Full PDF Text Transcription

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Syntek 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.DataSheet4U.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.
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