IBM MiEM78P468N, MiEM78P468L manual

EM78P468N/EM78P468L

8-Bit Microcontroller

The controller can be awakened from sleep mode and idle mode. The wake-up signals are listed as follows:

Wake-up Signal	Sleep Mode	Idle Mode	Green Mode	Normal Mode
TCC time out	⋅	⋅	Interrupt	Interrupt
IOCF0 Bit 0=1	⋅	⋅	Interrupt	Interrupt
IOCF0 Bit 0=1
INT0 pin	Wake-up	Wake-up
INT0 pin	+ interrupt	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 1=1	+ interrupt	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 1=1	+ next instruction	+ next instruction
	+ next instruction	+ next instruction

INT1 pin	Wake-up	Wake-up
INT1 pin	+ interrupt	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 2=1	+ interrupt	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 2=1	+ next instruction	+ next instruction
	+ next instruction	+ next instruction

Counter 1		Wake-up
Counter 1	⋅	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 3=1	⋅	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 3=1		+ next instruction
		+ next instruction
Counter 2		Wake-up
Counter 2	⋅	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 4=1	⋅	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 4=1		+ next instruction
		+ next instruction

High-pulse timer		Wake-up
High-pulse timer	⋅	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 5=1	⋅	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 5=1		+ next instruction
		+ next instruction

Low-pulse timer		Wake-up
Low-pulse timer	⋅	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 6=1	⋅	+ interrupt	Interrupt	Interrupt
IOCF0 Bit 6=1		+ next instruction
		+ next instruction
Port 6, Port 8	Wake-up	Wake-up
(input status	Wake-up	Wake-up	⋅	⋅
change wake-up)	+ next instruction	+ next instruction	⋅	⋅
change wake-up)	+ next instruction	+ next instruction
Bit 7 of IOCF0 = “0”

Port 6, Port 8	Wake-up	Wake-up
(input status	Wake-up	Wake-up
(input status	+ interrupt	+ interrupt	⋅	⋅
change wake-up)	+ interrupt	+ interrupt	⋅	⋅
change wake-up)	+ next instruction	+ next instruction
Bit 7 of IOCF0 = “1”	+ next instruction	+ next instruction
WDT time out	⋅	RESET	RESET	RESET

Product Specification (V1.5) 02.15.2007

• 29

(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 MiEM78P468N, MiEM78P468L manual Wake-up Signal Sleep Mode Idle Mode Green Mode Normal Mode

Models: MiEM78P468L MiEM78P468N

8-Bit Microcontroller

Wake-up Signal

Sleep Mode

Idle Mode

Green Mode

Normal Mode

RESET

MiEM78P468L, MiEM78P468N specifications