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General Description

The EM78P153K is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. The device has an on-chip 1024′13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides 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 EM78P153K provides a convenient way of developing and verifying user s programs. Moreover, this OTP device offers 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.

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 uA at 3V/32kHz

Typically 1 uA 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(base on 2 clocks):

2.1V~5.5V at 0~70°C (commercial)

2.3V~5.5V at -40~85°C (industrial)

Operating frequency range

Crystal mode:

DC ~ 20MHz/2clks @ 5V

DC ~ 8MHz/2clks @ 3V

DC ~ 4MHz/2clks @ 2.1V

IRC mode:

Internal RC Frequency

Drift Rate

Temperature

(-40°C~85°C)

Voltage

Process

Total

1MHz

±1%

±3% @ 2.1~5.5V

±2%

±6%

4MHz

±1%

±3 @ 2.1~5.5V%

±2%

±6%

8MHz

±1%

±2% @ 3.0~5.5V

±2%

±5%

16MHz

±1%

±1% @ 4.0~5.5V

±2%

±4%

ERC mode: DC ~ 2MHz/2clks @ 2.1V

Peripheral configuration

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

2/4 clocks per instruction cycle selected by code option

High EFT immunity

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

Package Type:

14-pin DIP 300mil : EM78P153KD14J

14-pin SOP 150mil : EM78P153KSO14J

Note: These are all green products which do not contain hazardous substances.