PCD3755FT datasheet(6/32 Pages) PHILIPS

Part #	PCD3755FT

Description	8-bit microcontrollers with DTMF generator, 8 kbytes OTP and 128 bytes EEPROM

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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6 / 32 page

1997 Apr 16

6

Philips Semiconductors

Product speciﬁcation

8-bit microcontrollers with DTMF generator,

8 kbytes OTP and 128 bytes EEPROM

PCD3755A; PCD3755E;

PCD3755F

5.2

Pin description

Table 1

SOT117-1 and SOT136-1 packages (for information on parallel I/O ports, see Chapter 14)

Table 2

SOT358-1 package (for information on parallel I/O ports, see Chapter 14)

SYMBOL

TYPE

DESCRIPTION

P1.1 to P0.7

1 to 7

I/O

7 bits of Port 0: 8-bit quasi-bidirectional I/O port

T1

8

I

Test 1 or count input of 8-bit Timer/event counter 1

XTAL1

9

I

crystal oscillator or external clock input

XTAL2

10

O

crystal oscillator output

RESET

11

I

reset input

CE/T0

12

I

Chip Enable or Test 0

P1.0 to P1.6

13 to 19

I/O

7 bits of Port 1: 8-bit quasi-bidirectional I/O port

P1.7/MDY

20

I/O

1 bit of Port 1: 8-bit quasi-bidirectional I/O port; or melody output

P2.0

21

I/O

1 bit of Port 2: 4-bit quasi-bidirectional I/O port

VSS

22

P

ground

TONE

23

O

DTMF output

VDD

24

P

positive supply voltage

P2.1 to P2.3

25 to 27

I/O

3 bits of Port 2: 4-bit quasi-bidirectional I/O port

P0.0

28

I/O

1 bit of Port 0: 8-bit quasi-bidirectional I/O port

SYMBOL

TYPE

DESCRIPTION

n.c.

1, 13, 17, 28

−

not connected

P0.5 to P0.7

2 to 4

I/O

3 bits of Port 0: 8-bit quasi-bidirectional I/O port

T1

5

I

Test 1 or count input of 8-bit Timer/event counter 1

XTAL1

6

I

crystal oscillator or external clock input

XTAL2

7

O

crystal oscillator output

RESET

8

I

reset input

CE/T0

9

I

Chip Enable or Test 0

P1.0 to P1.6

10 to 12,

14 to 16, 18

I/O

7 bits of Port 1: 8-bit quasi-bidirectional I/O port

P1.7/MDY

19

I/O

1 bit of Port 1: 8-bit quasi-bidirectional I/O port; or melody output

P2.0

20

I/O

1 bit of Port 2: 4-bit quasi-bidirectional I/O port

VSS

21

P

ground

TONE

22

O

DTMF output

VDD

23

P

positive supply voltage

P2.1 to P2.3

24 to 26

I/O

3 bits of Port 2: 4-bit quasi-bidirectional I/O port

P0.0 to P0.4

27, 29 to 32

I/O

5 bits of Port 0: 8-bit quasi-bidirectional I/O port

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