EM78P372N

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EM78P372N

The EM78P372N is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. The device has an on-chip 2Kx13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides a protection bit to prevent intrusion of user’s OTP memory code. Three Code option bits are also available to meet user's requirements.

With enhanced OTP-ROM features, the EM78P372N 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. User can avail of the ELAN Writer to easily program his development code.

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The EM78P372N is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. The device has an on-chip 2Kx13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides a protection bit to prevent intrusion of user’s OTP memory code. Three Code option bits are also available to meet user's requirements.

With enhanced OTP-ROM features, the EM78P372N 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. User can avail of the ELAN Writer to easily program his development code.

Features

CPU Configuration

2Kx13 bits on-chip ROM

80x8 bits on-chip registers (SRAM)

8-level stacks for subroutine nesting

4 programmable Level Voltage Detector (LVD): 4.5V, 4.0V, 3.3V, 2.2V

3 programmable Level Voltage Reset (LVR): 4.0V, 3.5V, 2.7V

Less than 1.5 mA at 5V / 4 MHz

Typically 15 μA, at 3V / 32kHz

Typically 2 μA, during Sleep mode

I/O Port Configuration

3 bidirectional I/O ports: P5, P6, P7

18 I/O pins & 1I pin

Wake-up port: P5

8 programmable pull-down I/O pins

16 programmable pull-high I/O pins

8 programmable open-drain I/O pins

14 programmable high-sink current I/O pins

External interrupt：P60

Operating Voltage and Temperature Range:

2.1V~5.5V at 0° C~70° C (commercial)

2.3V~5.5V at -40° C~85° C (industrial)

Operating Mode:

Crystal mode:

DC ~ 16 MHz, 4.5V;

DC ~ 8 MHz, 3V; DC ~ 4 MHz, 2.1V

ERC mode:

DC ~ 2 MHz, 2.1V;

IRC mode:

Oscillation mode: 16 MHz, 4 MHz, 1 MHz, 8 MHz

Internal RC Frequency	Drift Rate
Internal RC Frequency	Temperature(-40°C~85°C)	Voltage(2.1V~5.5V)	Process	Total
4 MHz	±2%	±1%	±2%	±5%
16 MHz	±2%	±1%	±2%	±5%
8 MHz	±2%	±1%	±2%	±5%
1 kHz	±2%	±1%	±2%	±5%

Oscillation Mode:

Fast set-up time requires only 0.8ms (VDD: 5V Crystal: 4 MHz, C1/C2: 15pF) in XT mode and 10?酨 in IRC mode (VDD: 5V, IRC: 4 MHz)

Eight Interrupt Sources: Three External and Five Internal:

TCC overflow interrupt

Input-port status changed interrupt (wake up from sleep mode)

External interrupt

ADC completion interrupt

Comparator status change interrupt

Low voltage detect (LVD) interrupt

PWM1~2 period match interrupt

PWM1~2 duty match interrupt

Package Type:

10-pin MSOP 118mil: EM78P372NMS10

10-pin SSOP 150mil: EM78P372NSS10

14-pin DIP 300mil: EM78P372ND14

14-pin SOP 150mil: EM78P372NSO14

16-pin SOP 150mil: EM78P372NSO16A

18-pin DIP 300mil: EM78P372ND18

18-pin SOP 300mil: EM78P372NSO18

20-pin DIP 300mil: EM78P372ND20

20 pin SOP 300mil: EM78P372NSO20

20 pin SSOP 209mil: EM78P372NSS20

Note: Green products do not contain hazardous .substances.

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