ELAN Home Systems EM78P459AK, EM78P459AM, EM78P458AM, EM78P458AP

EM78P458/459

OTP ROM

6.2AC Electrical Characteristic(Ta=0°C ~ 70 °C, VDD=5V±5%, VSS=0V)

Symbol	Parameter	Conditions	Min	Typ	Max	Unit

Dclk	Input CLK duty cycle		45	50	55	%
Tins	Instruction cycle time	Crystal type	100		DC	ns
Tins	(CLKS="0")	RC type	500		DC	ns
	(CLKS="0")	RC type	500		DC	ns
Ttcc	TCC input period		(Tins+20)/N*			ns
Tdrh	Device reset hold time	Ta = 25°C	9	18	30	ms
Trst	/RESET pulse width	Ta = 25°C	2000			ns
Twdt	Watchdog timer period	Ta = 25°C	9	18	30	ms
Tset	Input pin setup time			0		ms
Thold	Input pin hold time			20		ms
Tdelay	Output pin delay time	Cload=20pF		50		ms

*N= selected prescaler ratio.

6.3A/D Converter Characteristic(Vdd=3.0V to 5.5V,Vss=0V,Ta=0 to 70℃)

Symbol	Parameter	Condition	Min.	Typ.	Max.	Unit
VAREF	Analog reference voltage	VAREF - VASS≧2.5V	3.0		Vdd	V
VASS	Analog reference voltage	VAREF - VASS≧2.5V			Vss	V
VASS					Vss	V
VAI	Analog input voltage		VASS		VAREF	V
IAI	Analog supply current	Vdd=VAREF=5.0V, VASS =0.0V	500	700	1000	uA
RN	Resolution	Vdd=VAREF=5.0V, VASS =0.0V	6	7	8	Bits
LN	Linearity error	Vdd = 2.5 to 5.5V Ta=25℃	0	±2	±4	LSB
DNL	Differential nonlinear error	Vdd = 2.5 to 5.5V Ta=25℃	0	±0.5	±0.9	LSB
FSE	Full scale error	Vdd=VAREF=5.0V, VASS =0.0V	±0	±2	±4	LSB
OE	Offset error	Vdd=VAREF=5.0V, VASS =0.0V	±0	±1	±2	LSB
ZAI	Recommended impedance of		0	8	10	KΩ
ZAI	analog voltage source		0	8	10	KΩ
	analog voltage source
TAD	A/D clock period	Vdd=VAREF=5.0V, VASS =0.0V	3	3.5	4	us
TCN	A/D conversion time	Vdd=VAREF=5.0V, VASS =0.0V	10		10	TAD
ADIV	A/D OP input voltage range	Vdd=VAREF=5.0V, VASS =0.0V	0		5	V
ADOV	A/D OP output voltage swing	Vdd=VAREF=5.0V, VASS	0	0.2	0.3	V
ADOV	A/D OP output voltage swing	=0.0V,RL=10KΩ	4.7	4.8	5	V
		=0.0V,RL=10KΩ	4.7	4.8	5
ADSR	A/D OP slew rate	Vdd=VAREF=5.0V, VASS =0.0V	0.1	0.3		V/us
PSR	Power Supply Rejection	Vdd=5.0V±0.5V	±0		±2	LSB

Note: 1.These parameters are characterized but not tested.

2.These parameters are for design guidance only and are not tested.

3.It will not consume any current other than minor leakage current, when A/D is off.

4.The A/D conversion result never decrease with an increase in the input voltage, and has no missing code.

5.Specifications subject to change without notice.

6.4 Comparator(OP) Characteristic(Vdd = 5.0V,Vss=0V,Ta=0 to 70℃)

	Symbol	Parameter	Condition	Min.	Typ.	Max.	Unit
	SR	Slew rate		0.1	0.2		V/us

This specification is subject to change without prior notice.			58			07.01.2003 (V1.3)

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.

ELAN Home Systems EM78P458, EM78P459AK manual ComparatorOP CharacteristicVdd = 5.0V,Vss=0V,Ta=0 to

Models: EM78P458 EM78P459AM EM78P458AM EM78P459AK EM78P459 EM78P458AP

EM78P458/459

6.2AC Electrical Characteristic(Ta=0°C ~ 70 °C, VDD=5V±5%, VSS=0V)

6.3A/D Converter Characteristic(Vdd=3.0V to 5.5V,Vss=0V,Ta=0 to 70℃)

IAI

6.4 Comparator(OP) Characteristic(Vdd = 5.0V,Vss=0V,Ta=0 to 70℃)

EM78P458, EM78P459AM, EM78P458AM, EM78P459AK, EM78P459 specifications