PCD3352A datasheet(3/36 Pages) PHILIPS

3 / 36 page

1999 Oct 28

Philips Semiconductors

Product speciﬁcation

8-bit microcontrollers with DTMF generator

and 128 bytes EEPROM

PCA3351C; 52C; 53C;

PCD3351A; 52A; 53A

FEATURES

• 8-bit CPU, ROM, RAM, EEPROM and I/O; all in one

(28-lead or 32-lead) package

• ROM:

– 2 kbytes (PCA3351C and PCD3351A)

– 4 kbytes (PCA3352C and PCD3352A)

– 6 kbytes (PCA3353C and PCD3353A)

• RAM:

– 64 bytes (PCA3351C and PCD3351A)

– 128 bytes (PCA3352C, PCD3352A, PCA3353C and

PCD3353A)

• 128 bytes Electrically Erasable Programmable

Read-Only Memory (EEPROM)

• Over 100 instructions (based on MAB8048) all of

1 or 2 cycles

• 20 quasi-bidirectional I/O port lines

• 8-bit programmable Timer/event counter 1

• 8-bit reloadable Timer 2

• Three single-level vectored interrupts:

– external

– 8-bit programmable Timer/event counter 1

– derivative; triggered by reloadable Timer 2

• Two test inputs, one of which also serves as the external

interrupt input

• DTMF, modem, musical tone generator

• Reference for supply and temperature-independent

tone output

• Filtering for low output distortion (CEPT compatible)

• Melody output for ringer application

• Power-on-reset

• Stop and Idle modes

• Supply voltage: 1.8 to 6 V (DTMF tone output and

EEPROM erase/write from 2.5 V)

• Clock frequency: 1 to 16 MHz (3.58 MHz for DTMF

suggested)

• Operating ambient temperature: −25 to +70 °C or

0to50

°C

• Manufactured in silicon gate CMOS process.

GENERAL DESCRIPTION

This data sheet details the specific properties of the

devices referred to. The shared properties of the

PCD33xxA family of microcontrollers are described in the

“PCD33xxA family” data sheet, which should be read in

conjunction with this publication.

• ‘PCA3351C; 52C; 53C’ denotes the types PCA3351C,

PCA3352C and PCA3353C. Unless specified, these

types will hereafter be referred to collectively as

‘PCA335xC’.

• ‘PCD3351A; 52A; 53A’ denotes the types PCD3351A,

PCD3352A, PCD3353A. Unless specified, these types

will hereafter be referred to collectively as ‘PCD335xA’.

The PCA335xC and PCD335xA are microcontrollers

designed primarily for telephony applications. They

include an on-chip generator for dual tone multifrequency

(DTMF), modem and musical tones. In addition to dialling,

generated frequencies can be made available as square

waves for melody generation, providing ringer operation.

The PCA335xC and PCD335xA also incorporate

128 bytes of EEPROM, permitting data storage without

battery backup. The EEPROM can be used for storing

telephone numbers, particularly for implementing redial

functions.

The PCA335xC and PCD335xA can be emulated with the

OTP microcontrollers PCD3755A and PCD3755E.

See Chapter 14, Table 25.

The instruction set is similar to that of the MAB8048 and is

a sub-set of that listed in the

“PCD33xxA family” data

sheet.

The differences between PCA335xC and PCD335xA are

shown in Table 1.

Table 1

Differences: PCA335xC and PCD335xA

Note

1. See Chapter 14, Table 26.

TYPE

VPOR

AMBIENT

TEMP. RANGE

PCA335xC

ﬁxed at 2.0 V

±0.3 V

0 to 50

°C

PCD335xA

(1.2 to 3.6 V)

±0.5 V(1)

−25 to +70 °C

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