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STK88C2441

Syntec Semiconductor
Part Number STK88C2441
Manufacturer Syntec Semiconductor
Description Adpcm Voice Controller
Published Dec 15, 2005
Detailed Description Syntek Semiconductor Co., Ltd. Specification 1. FEATURES * Operating voltage : 2.5V - 5.5V. * Maximum CPU operating freq...
Datasheet PDF File STK88C2441 PDF File

STK88C2441
STK88C2441

Overview
Syntek Semiconductor Co.
, Ltd.
Specification 1.
FEATURES * Operating voltage : 2.
5V - 5.
5V.
* Maximum CPU operating frequency : 4,194,304Hz at 2.
7V.
* Provide X’tal or RC oscillator.
Both can run at high speed or slow speed(low power).
RC oscillator can detect internal or external resister automatically.
* Support 4M bytes program and data ROM.
256K bytes of them are built-in.
* Built in 128 bytes RAM.
* I/O port.
24 I/O pins.
8 of 24 pins with wake up function.
* Six 8-bit timers.
* Four channels for voice or melody processing.
* Two DACs for voice or melody playing.
Also, internal programming for single DAC playing.
* One pair of PWM for voice or melody playing.
* Eight interrupt sources : NMI - Can be Watchdog Timer interrupt IRQ0 - Timer 0 interrupt IRQ1 - Timer 1 interrupt IRQ2 - Timer 2 interrupt IRQ3 - Timer 3 interrupt IRQ4 - Timer 4 interrupt IRQ5 - External interrupt IRQ6 - Base Timer interrupt IRQ7 - Timer 5 interrupt STK88C2441 w w w .
D at aS he et 4U .
c om Voice Controllerr 1/ 1 Issue Date : 27 March,2000 www.
DataSheet4U.
com Syntek Semiconductor Co.
, Ltd.
2.
PIN NAME ASSIGNMENT ( Total: 62 pads ) 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 21) Pin Name PA0~PA7 PB0~PB7 PC0~PC7 A0-A13 D0-D7 CEB /EXTROM DAC1 DAC2 PWM1 PWM2 VCOCAP RXOSC XOSC2 XR RESB TESTB VDD VDD(PWM) GND GND(PWM) I/O I/O I/O O I/O O I O O O O I/O I O I I I I I I I STK88C2441 Function description 8-bit I/O pins for port 1 with wake-up interrupt I/O 8-bit I/O pins for port 2.
8-bit I/O pins for port 3.
PC0-PC7 will changed to BANK0BANK7 output if bank number is less than $F0 or /DIROM=0.
Address bus.
Data bus.
External ROM chip enable.
=0 Disable internal ROM.
=1 Enable internal ROM if bank number is greater than $EF.
Current output port Current output port Voltage output port Voltage output port PLL used.
X’TAL or Ring osc pad X’TAL pad Bias input for RC oscillator.
System reset pin; internal pull_high.
Test pin; internal pull_high.
Power Power for PWM m...


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