參數(shù)資料
型號(hào)： 935247300112
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28
封裝： 7.50 MM, PLASTIC, SO-28
文件頁(yè)數(shù)： 27/35頁(yè)
文件大?。?/td> 243K
代理商： 935247300112
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PCD3755A;
PCD3755E; PCD3755F
PCD3755A;
PCD3755E; PCD3755F
Information as of 2000-08-24
PCD3755A; PCD3755E; PCD3755F; 8-bit microcontrollers with DTMF generator, 8 kbytes OTP and 128 bytes EEPROM
Check device status and availability before design in!
Please check with your nearest sales or distributor office status and availability of devices listed on this page.
This data sheet details the specific properties of the PCD3755A, PCD3755E and PCD3755F. The devices differ in their Port and Power-on-
reset configurations. References to ‘PCD3755x’ apply to all three types. The devices are members of the PCD33xxA family of
microcontrollers.
The shared properties of the family are described in the 'PCD33xxA family' data sheet, which should be read in conjunction with this
publication.
The PCD3755A, PCD3755E and PCD3755F are One-Time Programmable (OTP) 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 (P1.7/MDY) for melody generation, providing ringer operation.
The PCD3755A, PCD3755E and PCD3755F also incorporate 128 bytes of EEPROM. The EEPROM can be used for storing telephone
numbers, particularly for implementing redial functions.
The Power-on-reset circuitry is extra accurate to accommodate parallel telephones and fax equipment. The instruction set is similar to that
of the MAB8048 and is a sub-set of that listed in the 'PCD33xxA family' data sheet.
l
8-bit CPU, ROM, RAM, EEPROM and I/O; in a single 28-lead or 32-lead package
l
8 kbytes user-programmable ROM (One-Time Programmable)
l
128 bytes RAM
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