EM78P372KSS20 datasheet(9/118 Pages) EMC

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EM78P372K

8-bit Microcontroller

Product Specification (V1.4) 05.11.2016

 1

(This specification is subject to change without prior notice)

General Description

The EM78P372K is an 8-bit microprocessor designed and developed with low-power and high-speed

CMOS technology. The device has an on-chip 2K13-bit Electrical One Time Programmable Read Only

Memory (OTP-ROM). It provides a protection bit to prevent intrus

ion of user’s OTP memory code. Three

Code option bits are also available to meet user’s requirements.

With enhanced OTP-ROM features, the EM78P372K 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. Users can avail of ELAN

’s Writer to easily program their

development code.

Features



CPU configuration



13 bits on-chip ROM



8 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



Three programmable Level Voltage Reset

(LVR) : 4.0V, 3.5V, 2.7V



Less than 1.5 mA at 5V/4 MHz



Typically 15

A, at 3V/32kHz



Typically 2

A, during sleep mode



I/O port configuration



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



18 I/O pins



Wake-up ports : P5, P70, P71



8 programmable pull-down I/O pins



16 programmable pull-high I/O pins



8 programmable open-drain I/O pins



14 high driver I/O pins



14 high sink I/O pins



External interrupt : P60



Operating voltage range:



2.1V~5.5V at 0

C~70C (commercial)



2.3V~5.5V at -40

C~85C (industrial)



Operating frequency range (based on 2 clocks):



Crystal mode: DC ~ 16 MHz, 3.0V;

DC ~ 8 MHz, 2.5V; DC ~ 4 MHz, 2.1V



ERC mode: DC ~ 2 MHz, 2.1V;



IRC mode

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

Internal RC

Frequency

Drift Rate

Temperature

(-40

°C~85°C)

Voltage

(2.1V~5.5V)

Process

Total

4 MHz

±2%

±1%

±4%

16 MHz

±2%

±1%

±4%

8 MHz

±2%

±1%

±4%

1 MHz

±2%

±1%

±4%



Fast set-up time requires only 0.8ms (VDD: 5V

Crystal: 4 MHz, C1/C2: 30pF) in HXT2 mode and 10

s in

IRC mode (VDD: 5V, IRC: 4 MHz)



Peripheral configuration



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

signal sources, trigger edges, and overflow interrupt



8-bit multi-channel Analog-to-Digital Converter with

12-bit resolution in Vref mode



Two Pulse Width Modulation (PWM) with

8-bitresolution.



One pair of comparator or OP

(offset voltage: smaller than 10mV)



Ten available interrupts



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



PWM period match interrupt



PWM duty match interrupt



Special Features:



Programmable free running Watchdog Timer

(4.5ms, 18ms)



Power saving Sleep mode



Selectable Oscillation mode



Power-on voltage detector available (1.9V

 0.2V)



High EFT immunity (better performance at 4 MHz or

below)



Package Type:



10-pin MSOP 118mil

EM78P372KMS10



14-pin DIP 300mil

EM78P372KD14



14-pin SOP 150mil

EM78P372KSO14



16-pin SOP 150mil

EM78P372KSO16A



18-pin DIP 300mil

EM78P372KD18



18-pin SOP 300mil

EM78P372KSO18



20-pin DIP 300mil

EM78P372KD20



20 pin SOP 300mil

EM78P372KSO20



20 pin SSOP 209mil

EM78P372KSS20



16-pin QFN 3× 3×0.8mm

EM78P372KQN16

Note: These are Green products which do not contain

hazardous substances.

EM78P372KSS20 Datasheet(PDF) 9 Page - ELAN Microelectronics Corp

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