PCD3310 查看數據表（PDF） - Philips Electronics

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PCD3310

Pulse and DTMF diallers with redial

Philips Electronics 

Philips Semiconductors

Pulse and DTMF diallers with redial

Product specification

PCD3310; PCD3310A

6 PINNING

PINS

SYMBOL

PCD3310P PCD3310T TYPE

PCD3310AP PCD3310AT

DESCRIPTION

OSCI

1

1

I oscillator input

PD/DTMF

2

2

I select pin; pulse or DTMF dialling input

TONE

3

3

O single or dual tone frequency output

n.c.

−

4

− not connected

VSS

4

5

P negative supply

n.c.

−

6

− not connected

n.c.

−

7

− not connected

FLD

5

8

I/O flash duration control input/output

ROW 5

6

9

I/O scanning row 5 keyboard input/output

ROW 4

n.c.

7

10

I/O scanning row 4 keyboard input/output

−

11

− not connected

ROW 3

8

12

I/O scanning row 3 keyboard input/output

ROW 2

9

13

I/O scanning row 2 keyboard input/output

ROW 1

10

14

I/O scanning row 1 keyboard input/output

COL 1

11

15

I sense column 1 keyboard input (with internal pull-up resistor)

COL 2

12

16

I sense column 2 keyboard input (with internal pull-up resistor)

COL 3

13

17

I sense column 3 keyboard input (with internal pull-up resistor)

n.c.

−

18

− not connected

COL 4

14

19

I sense column 4 keyboard input (with internal pull-up resistor)

CF/DMODE/FS

15

20

O confidence tone/dialling mode/frequency select outputs

DP/FLO

16

21

O dialling pulse and flash output

M2

−

22

O muting output 2

M1

−

23

O muting output 1 (active LOW)

M1

17

24

O muting output 1

n.c.

−

25

− not connected

CE

18

26

I chip enable input

VDD

OSCO

19

27

P positive supply voltage

20

28

O oscillator output

1996 Nov 21

6

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