ELAN Home Systems EM78P458AP, EM78P459AK Code Option Register Word, Enwdt Clks PTB HLF RCT HLP

Models: EM78P458 EM78P459AM EM78P458AM EM78P459AK EM78P459 EM78P458AP

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EM78P458/459

OTP ROM

VDD

EM78P458

EM78P459

/RESET

VDD

 

33K

Q1

10K

100K

1N4684

Fig. 25 Circuit 1 for the Residue Voltage Protection

VDD

EM78P458

EM78P459

/RESET

VDD

R1

Q1

R3R2

Fig. 26 Circuit 2 for the Residue Voltage Protection

4.14 CODE OPTION

EM78P458/459 has one CODE option word and one Customer ID word that are not a part of the

normal program memory.

Word 0

Word 1

Bit12~Bit0

Bit12~Bit0

Code option12~0

Code option12~0

1. Code Option Register (Word 0)

Bit12

Bit11

Bit10

Bit9

Bit8

Bit7

Bit6

Bit5~Bit0

MS

/ENWDT

CLKS

/PTB

HLF

RCT

HLP

ID

Bit 12 (MS): Oscillator type selection.

0:RC type

This specification is subject to change without prior notice.

51

07.01.2003 (V1.3)

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ELAN Home Systems EM78P458AP, EM78P459AK, EM78P459AM, EM78P458AM manual Code Option Register Word, Enwdt Clks PTB HLF RCT HLP

EM78P458, EM78P459AM, EM78P458AM, EM78P459AK, EM78P459 specifications

ELAN Home Systems offers a range of advanced microcontrollers, including the EM78P458AP, EM78P459, EM78P459AK, EM78P458AM, and EM78P459AM, that cater to various applications in the consumer electronics sector. These microcontrollers are known for their high efficiency, low power consumption, and robust performance, making them ideal for a wide range of smart home devices.

The EM78P458AP and EM78P459 models feature an 8-bit architecture, enabling efficient processing for applications requiring moderate complexity. They are equipped with a variety of I/O options, including GPIO, UART, and ADC, facilitating seamless integration with numerous peripherals. This flexibility allows developers to create customized solutions tailored to specific user needs.

One of the main highlights of these microcontrollers is their low-power operation, which is essential for battery-operated devices. This is particularly appealing in smart home contexts, where devices are expected to maintain long operational lifetimes without frequent battery replacements. The EM78P458AP and EM78P459 series prioritize energy efficiency, ensuring that they consume minimal power during both active and idle states.

In terms of memory, these microcontrollers also provide substantial ROM and RAM capacities, which enhance their ability to handle complex programs and data. The EM78P459AK variant adds additional features that empower developers with greater flexibility in terms of code storage and execution.

Another critical aspect of these microcontrollers is their built-in protection mechanisms, including voltage and thermal protection, which ensure safe operations under varying environmental conditions. This is vital for home automation systems, where device reliability is paramount to user satisfaction.

The EM78P458AM and EM78P459AM models further extend the family with added functionalities, such as enhanced communication capabilities featuring protocols like I2C and SPI. This facilitates robust inter-device communication, making it easier to integrate various smart home devices into a cohesive network.

Overall, ELAN Home Systems’ EM78P458 and EM78P459 series microcontrollers stand out for their versatile application potential, low power consumption, and reliability. With their innovative technologies and characteristics, they are well-suited for driving the next generation of smart home solutions, ensuring convenience, efficiency, and connectivity for users worldwide.