EM78P153B

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EM78P153B

The EM78P153B is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. The device has an on-chip 1024�e13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides three protection bits to prevent intrusion of user’s OTP memory code. Fifteen code option bits are also available to meet your special requirements.
With enhanced OTP-ROM features, the EM78P153B provides a convenient method of developing and verifying user’s programs. Moreover, this OTP device offers easy and effective program updates with the use of development and programming tools. You can avail of the ELAN Writer to easily program your development codes.

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The EM78P153B is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. The device has an on-chip 1024�e13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides three protection bits to prevent intrusion of user’s OTP memory code. Fifteen code option bits are also available to meet your special requirements.
With enhanced OTP-ROM features, the EM78P153B provides a convenient method of developing and verifying user’s programs. Moreover, this OTP device offers easy and effective program updates with the use of development and programming tools. You can avail of the ELAN Writer to easily program your development codes.

Features

CPU configuration

1K x 13 bits on-chip ROM

32 x8 bits on-chip registers (SRAM, general purpose)

5 level stacks for subroutine nesting

Less than 1.5 mA at 5V/4MHz

Typically 15µA, at 3V/32kHz

Typically 1µA, during Sleep mode

I/O port configuration

2 bidirectional I/O ports: P5,P6

12 I/O pins

Wake-up port: P6

6 Programmable pull-down I/O pins

7 programmable pull-high I/O pins

7 programmable open-drain I/O pins

External interrupt : P60

Operating voltage range

2.3V~5.5V at 0°C~70°C (Commercial Grade)

Operating frequency range (base on 2 clocks)

Crystal mode:

DC ~ 20 MHz / 2clks @ 5V

DC ~ 8 MHz / 2clks @ 3V

DC ~ 4 MHz / 2clks @ 2.3V

The transient point of system frequency between HXT and LXT is 400 kHz.

ERC mode

DC ~ 2 MHz / 2clks @ 2.1V

IRC mode:

Oscillation mode : 4 / 8 / 1 MHz and 455kHz Process Deviation: Type: Max. ± 3% Temperature Deviation: ± 2% (0 ~ 70°C)

Internal RC Frequency	Drift Rate
Internal RC Frequency	Temperature( 0°C ~70°C )	Voltage	Process	Total
4 MHz	±1.5%	±8%@2.3~5.5V	±2%	±11.5%
8 MHz	±1.5%	±8%@3.0~5.5V	±2%	±11.5%
1MHz	±1.5%	±8%@2.3~5.5V	±2%	±11.5%
455kHz	±1.5%	±8%@2.3~5.5V	±2%	±11.5%

Peripheral configuration

8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt

Power on reset and 3 programmable level voltage reset POR: 1.8V (Default), LVR: 4.0, 3.5, 2.7V

2 -/ 4 clocks per instruction cycle selected by code option