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PCD3354A

8-bit microcontrollers with DTMF generator and 256 bytes EEPROM

Philips Electronics 

Philips Semiconductors

8-bit microcontrollers with DTMF

generator and 256 bytes EEPROM

Product specification

PCA3354C; PCD3354A

5.2 Pin description

Table 2 SOT205-1 package (for information on parallel I/O ports, see Chapter 13)

SYMBOL

PIN

P2.1 to P2.3

1 to 3

DP0.0 to DP0.7 4 to 11

CE/T0

12

T1

13

RESET

14

DP1.0 to DP1.6 15 to 21

DP1.7/DCO

22

P0.0 to P0.3 23 to 26

XTAL1

27

XTAL2

28

P0.4 to P0.7 29 to 32

P1.0 to P1.2 33 to 35

VSS

36

TONE

37

VDD

P1.3 to P1.6

38

39 to 42

P1.7/MDY

43

P2.0

44

TYPE

I/O

I/O

I

I

I

I/O

I/O

I/O

I

O

I/O

I/O

P

O

P

I/O

I/O

I/O

DESCRIPTION

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

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

Chip Enable or Test 0 input

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

reset input

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

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

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

crystal oscillator/external clock input

crystal oscillator output

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

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

ground

DTMF output

positive supply voltage

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

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

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

1996 Dec 18

6

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