EM78P152S datasheet(5/52 Pages) ETC1

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EM78P152/3S

8-Bit Microcontroller with OTP ROM

Product Specification (V1.8) 09.08.2009

• 1

(This specification is subject to change without further notice)

1 General Description

The EM78P152/3S are 8-bit microprocessor designed and developed with low-power and

high-speed CMOS technology. The devices have on-chip 1024

×13-bit Electrical One Time

Programmable Read Only Memory (OTP-ROM). They provide a protection bit to prevent intrusion

of user’s OTP memory code. Fifteen Code option bits are also available to meet user’s

requirements.

With enhanced OTP-ROM features, the EM78P152/3S provides a convenient way of developing

and verifying user’s programs. Moreover, this OTP devices offer the advantages of easy and

effective program updates, using development and programming tools. You can avail of the ELAN

Writer to easily program your development code.

2 Features

CPU configuration

• 1K×13 bits on chip ROM

• 32×8 bits on-chip registers (SRAM,

general purpose)

• 5 level stacks for subroutine nesting

• Less than 1.5 mA at 5V/4MHz

• Typically 15 μA, at 3V/32kHz

• Typically 1 μA, 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:

• OTP version: 2.3V~5.5V Operating voltage range:

Operating temperature range: 0~70

°C

Operating frequency range (base on 2 clocks):

• Crystal mode:

DC~20MHz/2clks @ 5V; DC~100ns inst. cycle @ 5V

DC~8MHz/2clks @ 3V; DC~250ns inst. cycle @ 3V

DC~4MHz/2clks @ 2.3V; DC~500ns inst. cycle @ 2.3V

• ERC mode:

DC~4 MHz/2clks @ 5V; DC~500ns inst. cycle @ 5V

DC~4 MHz/2clks @ 3V; DC~500ns inst. cycle @ 3V

DC~4 MHz/2clks @ 2.3V; DC~500ns inst. cycle @ 2.3V

• IRC mode:

Oscillation mode : 4MHz, 8MHz, 1MHz, 455kHz

Process deviation : Typ. ± 5.5%, Max ± 6%

Temperature deviation : ±10% (0°C~70°C )

The transient point of system frequency between

HXT and LXT is 400kHz.

Peripheral configuration

• 8-bit real time clock/counter (TCC) with

selective signal sources, trigger edges,

and overflow interrupt

Three available interrupts:

• TCC overflow interrupt

• Input-port status changed interrupt

(wake-up from sleep mode)

• External interrupt

Special features

• Programmable free running watchdog

timer

• Power saving Sleep mode

• Selectable Oscillation mode

Other features

• Programmable prescaler of oscillator

set-up time

• One security register to prevent intrusion

of user’s OTP memory code

• One configuration register to match

user’s requirement

Two clocks per instruction cycle

Package type:

• 14-pin DIP 300mil : EM78P153SP/S/J

• 14-pin SOP 150mil : EM78P153SN/S/J

• 10-pin SSOP 150mil: EM78P152SN/S/J

Note: These are all Green products

which do not contain hazardous

substances.

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