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PDF STK88C4831 Data sheet ( Hoja de datos )
| Número de pieza | STK88C4831 | |
| Descripción | Adpcm Voice Controller | |
| Fabricantes | Syntec Semiconductor | |
| Logotipo |  |
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Syntek Semiconductor Co., Ltd.
STK88C4831
1. FEATURES :
* 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
w IRQ3 - Timer 3 interrupt
w IRQ4 - External interrupt
w.DataSheet4U.comVoice Microcontroller
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Ver 3.0 06/99
1 page  
Syntek Semiconductor Co., Ltd.
STK88C4831
5. ABSOLUTE MAXIMUM RATINGS
Operating temperature ........................................................................ 0 to 70
Storage temperature ...................................................................... -65 to 150
Supply voltage ............................................................................................... 7 V
Input voltage ........................................................................... -0.6 to Vdd+0.6 V
6. ELECTRICAL CHARACTERISTIC :
Parameter
Supply Voltage
Rosc
RC oscillation frequency
Operating current
Standby current
Sleep mode current
Input high voltage
Input low voltage
Input high leakage current
Input low leakage current
Output high voltage
Output low voltage
Output high voltage
(PWM1, PWM2)
Output low voltage
(PWM1, PWM2)
AUD (D/A full scale)
Symbol
Condition
Vdd
Rosc
∅sys
Idd
Istdby
Vdd=2.7V
Vdd=3V,∅sys=4Mhz
Vdd=3V,∅sys=4Mhz
Islp Vdd=3V
Vih Vdd=3.0V
Vil Vdd=3.0V
Iih Vih=Vdd
Iil Vil=0
Voh Ioh=-2mA
Vol Iol=4mA
Voh Vdd=3V, Ioh=-60mA
Vol Vdd=3V, Iol=75mA
Io Vdd=3V, Rl=100 OHM
Min Typ. Max Unit
2.5 3.0 3.5 V
650 ohm
400 800 Khz
1.5 mA
1 mA
1 µA
2.0 V
-0.6 0.8 V
1 µA
-5 µA
Vdd-
0.4
Vdd V
0 0.4 V
Vdd-1
Vdd V
0 1V
-4.0 mA
Voice Microcontroller
5/7
Ver 3.0 06/99
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet STK88C4831.PDF ] | |
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