PCD3353AT Ver la hoja de datos (PDF) - Philips Electronics

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PCD3353AT

8-bit microcontrollers with DTMF generator and 128 bytes EEPROM

Philips Electronics 

Philips Semiconductors

8-bit microcontrollers with DTMF generator

and 128 bytes EEPROM

Product specification

PCA3351C; 52C; 53C;

PCD3351A; 52A; 53A

handbook, full pagewidth

8

MELODY CONTROL

REGISTER

8

HGF REGISTER

8 INTERNAL BUS

8

LGF REGISTER

DIGITAL

SINE WAVE

SYNTHESIZER

SWITCHED

CAPACITOR

BANDGAP

VOLTAGE

REFERENCE

DIGITAL

SINE WAVE

SYNTHESIZER

square wave

DAC

DAC

SWITCHED

CAPACITOR

LOW-PASS

FILTER

PORT/MELODY

OUTPUT LOGIC

P1.7/

MDY

RC LOW-PASS

FILTER

MLC416

TONE

Fig.4 Block diagram of the frequency generator and melody output (P1.7/MDY) section.

1999 Oct 28

9

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