PCD3312C Просмотр технического описания (PDF) - Philips Electronics

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PCD3312C

DTMF/modem/musical-tone generators

Philips Electronics 

Philips Semiconductors

DTMF/modem/musical-tone generators

Product specification

PCD3311C; PCD3312C

5 BLOCK DIAGRAM

handbook, full pagewidth

OSCI OSCO

1(3)

2(4)

OSCILLATOR

CLOCK

GENERATOR

3

MODE

4

D5

12

D4

11

D3

INPUT

10

CONTROL

D2

LOGIC

9(8)

D1/SDA

8(7)

D0/SCL

5

STROBE

HIGH

GROUP

DIVIDER

DIVIDER

SELECTION

(ROM)

LOW

GROUP

DIVIDER

SWITCHED

CAPACITOR

BANDGAP

VOLTAGE

REFERENCE

DAC

HIGH

ADDER

DAC

LOW

7(6)

A0

The un-parenthesised numbers are for the PCD3311CP, those in parenthesis for the PCD3312C.

Fig.1 Block diagram.

VDD

VSS

14(2) 13(1)

(5)6

TONE

SWITCHED RESISTOR

CAPACITOR CAPACITOR

PCD3311C

PCD3312C

MGG543

6 PINNING INFORMATION

6.1 Pinning PCD3311CP

handbook, halfpage

OSCI 1

OSCO 2

MODE 3

14 VDD

13 VSS

12 D4

D5 4 PCD3311CP 11 D3

STROBE 5

10 D2

TONE 6

9 D1/SDA

A0 7

8 D0/SCL

MGG508

Fig.2 Pin configuration PCD3311CP.

1996 Nov 21

6.2 Pin description PCD3311CP

SYMBOL PIN TYPE

DESCRIPTION

OSCI

1

I oscillator input

OSCO

2

O oscillator output

MODE

3

I mode select input (selects

I2C or parallel data input)

D5

4

I parallel data input

STROBE

5

I strobe input (for loading

data in parallel mode)

TONE

6

O frequency output (DTMF,

modem, musical tones)

A0

7

D0/SCL

8

I slave address input (to be

connected to VDD or VSS)

I parallel data input or

I2C-bus clock line

D1/SDA

9

I parallel data input or

I2C-bus data line

D2 − D4 10 − 12 I parallel data inputs

VSS

13

P negative supply

VDD

14

P positive supply

4

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