Ta= -40C ~85 C, VDD= 3.0V, GND= | IBM MiEM78P468L, MiEM78P468N

EM78P468N/EM78P468L

8-Bit Microcontroller

Ta= -40°C ~85 °C, VDD= 3.0V, GND= 0V

Symbol	Parameter	Condition	Min.	Typ.	Max.	Unit

FXT	Crystal: VDD to 5V	Two cycles with two clocks	32.768	8M	10M	kHz

Fs	Sub-oscillator	Two cycles with two clocks	−	32.768	−	kHz

	External R, Internal C for	R: 300KΩ, internal capacitance	270	384	500	kHz
	Sub-oscillator	R: 300KΩ, internal capacitance	270	384	500	kHz
ERIC	Sub-oscillator
ERIC	External R, Internal C for	R: 2.2MΩ, internal capacitance	22.9	32.768	42.6	kHz
	External R, Internal C for
	Sub-oscillator
	Sub-oscillator
IIL	Input Leakage Current for Input pins	VIN = VDD, GND	-1	0	1	μA
VIH1	Input High Threshold Voltage	Ports 5, 6, 7, 8	1.8	−	−	V
VIH1	(Schmitt Trigger)	Ports 5, 6, 7, 8	1.8	−	−	V
	(Schmitt Trigger)

VIL1	Input High Threshold Voltage	Ports 5, 6, 7, 8	−	−	0.6	V
VIL1	(Schmitt Trigger)	Ports 5, 6, 7, 8	−	−	0.6	V
	(Schmitt Trigger)
VIHT1	Input High Threshold Voltage	/RESET	1.8	−	−	V
VIHT1	(Schmitt Trigger)	/RESET	1.8	−	−	V
	(Schmitt Trigger)
VILT1	Input Low Threshold Voltage	/RESET	−	−	0.6	V
VILT1	(Schmitt Trigger)	/RESET	−	−	0.6	V
	(Schmitt Trigger)
VIHT2	Input High Threshold Voltage	TCC, INT0, INT1	1.8	−	−	V
VIHT2	(Schmitt Trigger)	TCC, INT0, INT1	1.8	−	−	V
	(Schmitt Trigger)
VILT2	Input Low Threshold Voltage	TCC, INT0, INT1	−	−	0.6	V
VILT2	(Schmitt Trigger)	TCC, INT0, INT1	−	−	0.6	V
	(Schmitt Trigger)
IOH1	Output High Voltage (Ports 5~8)	VOH = 2.4V, IROCS=”0”	-1.8	−	−	mA

IOL1	Output Low Voltage (Ports 5~8)	VOL = 0.4V, IROCS=”0”	−	−	6	mA

IOH1	Output high voltage	VOH = 2.4V, IROCS=”1”	-3.5	−	−	mA
IOH1	(P5.7/IROUT pin)	VOH = 2.4V, IROCS=”1”	-3.5	−	−	mA
	(P5.7/IROUT pin)

IOL2	Output Low Voltage	VOL = 0.4V, IROCS=”1”	−	−	12	mA
IOL2	(P5.7/IR OUT pin)	VOL = 0.4V, IROCS=”1”	−	−	12	mA
	(P5.7/IR OUT pin)

IPH	Pull-high current	Pull-high active, input pin at GND	-16	-23	-30	μA

IPL	Pull-low current	Pull-low active, input pin at VDD	16	23	30	μA

ISB	Sleep mode current	All input and I/O pins at VDD,		0.1	1
ISB	Sleep mode current	Output pin floating,	−	0.1	1	μA
		WDT disabled
		/RESET= 'High', CPU OFF,
ICC1	Idle mode current	Sub-oscillator clock (32.768kHz)	−	4	8	μA
ICC1	Idle mode current	ON, output pin floating,	−	4	8	μA
		ON, output pin floating,
		LCD enabled, no load

		/RESET= 'High', CPU ON,
ICC2	Green mode current	Sub-oscillator clock (32.768kHz),	−	10	20	μA
ICC2	Green mode current	Output pin floating,	−	10	20	μA
		Output pin floating,
		WDT enabled, LCD enabled
ICC3	Normal mode	/RESET= 'High', Fosc=4MHz		0.73	1.2	mA
ICC3	Normal mode	(Crystal type, CLKS="0"),	−	0.73	1.2	mA
		Output pin floating

52 •	Product Specification (V1.5) 02.15.2007

(This specification is subject to change without further notice)

MiEM78P468L, MiEM78P468N specifications

The IBM MiEM78P468N and MiEM78P468L are advanced integrated circuit solutions that cater primarily to the needs of enterprise-level computing systems. These microprocessors are integral in handling a variety of complex tasks, thereby empowering businesses with the efficiency and speed required in today's fast-paced digital environment.

Both models utilize the cutting-edge 78P architecture, which provides impressive performance capabilities. The MiEM78P468N operates at a clock speed of up to 2.2 GHz, while the MiEM78P468L offers a lower clock speed optimized for energy efficiency. This distinction makes the N version ideal for high-performance applications, whereas the L version appeals to scenarios where power consumption is a critical consideration.

A key characteristic of both models is their multi-core architecture, supporting up to four cores. This feature allows for enhanced parallel processing, enabling the handling of multiple tasks simultaneously—a vital requirement for data-intensive applications. Moreover, the inclusion of advanced cache memory arrangements enhances data retrieval speeds significantly, ensuring that applications run smoothly without performance bottlenecks.

These processors also employ cutting-edge thermal management technologies. The dynamic voltage and frequency scaling (DVFS) capabilities ensure that performance can be adjusted in real-time based on workload requirements, helping to minimize energy consumption. This is particularly beneficial in maintaining optimal operating temperatures and prolonging the lifespan of the hardware.

Another notable feature is support for advanced security protocols. Both models incorporate hardware-based security technologies that safeguard data integrity and protect against unauthorized access. This is becoming increasingly important in today's cybersecurity landscape where businesses must prioritize protecting sensitive information.

Additionally, the IBM MiEM78P468N and MiEM78P468L processors are compatible with a wide range of operating systems, facilitating seamless integration into various IT environments. Their robust architecture supports extensive peripheral interconnect protocols, enhancing expandability and connectivity options.

In summary, the IBM MiEM78P468N and MiEM78P468L processors stand out for their performance capabilities, energy efficiency, advanced security features, and versatility. They are well-suited for organizations looking to enhance their computing power while maintaining a balance between performance and power consumption. These microprocessors are instrumental in driving innovation and efficiency in enterprise computing.

IBM MiEM78P468L, MiEM78P468N manual Ta= -40C ~85 C, VDD= 3.0V, GND=

Models: MiEM78P468L MiEM78P468N

8-Bit Microcontroller

Ta= -40°C ~85 °C, VDD= 3.0V, GND= 0V

Symbol

FXT

/RESET

/RESET

ISB

ICC1

ICC2

MiEM78P468L, MiEM78P468N specifications