PCD3359A 查看數據表（PDF） - Philips Electronics

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PCD3359A

8-bit microcontroller with DTMF generator and 128 bytes EEPROM

Philips Electronics 

Philips Semiconductors

8-bit microcontroller with DTMF

generator and 128 bytes EEPROM

Product specification

PCD3359A

Table 6 Port 0 Interrupts control bits

BIT

EPI0

EPI0

EPI0

EPI0

STATE

1

0

1

0

1

0

1

0

P0.0 AND P0.1

enabled

disabled

−

−

−

−

−

−

INTERRUPTS

P0.2 AND P0.3

−

−

enabled

disabled

−

−

−

−

P0.4 AND P0.5

−

−

−

−

enabled

disabled

−

−

P0.6 AND P0.7

−

−

−

−

−

−

enabled

disabled

handbook, full pagewidth

8

MELODY AND PORT

INTERRUPT

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/OUTPUT

LOGIC

MGB823

TONE

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

1998 May 11

8

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