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PCD3350A

Features: ` 8-bit CPU, ROM, RAM, EEPROM, real-time clock and I/O; all in a 44-lead quad flat package` 8 kbytes ROM` 256 bytes RAM` 256 bytes Electrically Erasable Programmable Read Only Memory (EEPROM)` 32 kHz crystal oscillator for Real-Time Clock (RTC)` EEPROM programmable RTC` Over 100 instruct...

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SeekIC No. : 004456355 Detail

PCD3350A: Features: ` 8-bit CPU, ROM, RAM, EEPROM, real-time clock and I/O; all in a 44-lead quad flat package` 8 kbytes ROM` 256 bytes RAM` 256 bytes Electrically Erasable Programmable Read Only Memory (EEPR...

PCD3350A Data Sheet

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Part Number:
PCD3350A
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 8-bit CPU, ROM, RAM, EEPROM, real-time clock and I/O; all in a 44-lead quad flat package
` 8 kbytes ROM
` 256 bytes RAM
` 256 bytes Electrically Erasable Programmable Read Only Memory (EEPROM)
` 32 kHz crystal oscillator for Real-Time Clock (RTC)
` EEPROM programmable RTC
` Over 100 instructions (based on MAB8048) all of 1 or 2 cycles
` 34 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
` Programmable DTMF clock divider
` 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)
` CPU clock frequency: 1 to 16 MHz (3.58 MHz or 10.74 MHz for DTMF)
` Operating ambient temperature: -25 to +70 °C
` Manufactured in silicon gate CMOS process.


Pinout

Connection Diagram


Description

This data sheet details the specific properties of the PCD3350A. 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.

The PCD3350A is a microcontroller designed primarily for telephony applications. PCD3350A includes 8 kbytes ROM, 256 bytes RAM, 34 I/O lines, and an on-chip generator for dual tone multifrequency (DTMF), modem and musical tones. In addition to dialling, the generated frequencies can be made available as square waves for melody generation, providing ringer operation.

The PCD3350A also incorporates 256 bytes of EEPROM, permitting data storage without battery backup. The EEPROM can be used for storing telephone numbers, particularly for implementing redial functions. Finally, the PCD3350A includes a low power 32 kHz crystal oscillator with an EEPROM programmable Real-Time Clock (RTC) working in standby mode. The instruction set is similar to that of the MAB8048 and is a sub-set of that listed in the "PCD33xxA family" data sheet.




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