Address Name Reset Type Bit | IBM MiEM78P468L, MiEM78P468N specification

EM78P468N/EM78P468L

8-Bit Microcontroller

Table 2 Summary of Registers Initialized Values

Address

Name

Reset Type

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

		Bit Name	IOC57	IOC56	IOC55	IOC54	P8HS	P8LS	P7HS	P7LS
0x05	IOC50	Power-on	1	1	1	1	0	0	0	0
		/RESET & WDT	1	1	1	1	0	0	0	0
	(P5CR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	IOC67	IOC66	IOC65	IOC64	IOC63	IOC62	IOC61	IOC60
0x06	IOC60	Power-on	1	1	1	1	1	1	1	1
		/RESET & WDT	1	1	1	1	1	1	1	1
	(P6CR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	IOC77	IOC76	IOC75	IOC74	IOC73	IOC72	IOC71	IOC70
0x07	IOC70	Power-on	1	1	1	1	1	1	1	1
		/RESET & WDT	1	1	1	1	1	1	1	1
	(P7CR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	IOC87	IOC86	IOC85	IOC84	IOC83	IOC82	IOC81	IOC80
0x08	IOC80	Power-on	1	1	1	1	1	1	1	1
		/RESET & WDT	1	1	1	1	1	1	1	1
	(P8CR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	X	RAM_A6	RAM_A5	RAM_A4	RAM_A3	RAM_A2	RAM_A1	RAM_A0
0x09	IOC90	Power-on	0	0	0	0	0	0	0	0
		/RESET & WDT	0	0	0	0	0	0	0	0
	(RAM_ADDR)
		Wake-up from
			P	P	P	P	P	P	P	P
		Pin Change

		Bit Name	RAM_D7	RAM_D6	RAM_D5	RAM_D4	RAM_D3	RAM_D2	RAM_D1	RAM_D0
0x0A	IOCA0	Power-on	U	U	U	U	U	U	U	U
		/RESET & WDT	P	P	P	P	P	P	P	P
	(RAM_DB)
		Wake-Up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
0x0B	IOCB0	Power-on	0	0	0	0	0	0	0	0
		/RESET & WDT	0	0	0	0	0	0	0	0
	(CNT1PR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
0x0C	IOCC0	Power-on	0	0	0	0	0	0	0	0
		/RESET & WDT	0	0	0	0	0	0	0	0
	(CNT2PR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
0x0D	IOCD0	Power-on	0	0	0	0	0	0	0	0
		/RESET & WDT	0	0	0	0	0	0	0	0
	(HPWTPR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
0x0E	IOCE0	Power-on	0	0	0	0	0	0	0	0
		/RESET & WDT	0	0	0	0	0	0	0	0
	(LPWTPR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	ICIE	LPWTE	HPWTE	CNT2E	CNT1E	INT1E	INT0E	TCIE
0x0F	IOCF0	Power-on	0	0	0	0	0	0	0	0
		/RESET & WDT	0	0	0	0	0	0	0	0
	(IMR)
		Wake-up from	P	P	P	P	P	P	P	P

		Pin Change

		Bit Name	IROCS	X	X	X	/WUE8H	/WUE8L	/WUE6H	/WUE6L
0x06	IOC61	Power-on	0	U	U	U	0	0	0	0
		/RESET & WDT	0	U	U	U	0	0	0	0
	(WUCR)
		Wake-up from	P	U	U	U	P	P	P	P

		Pin Change

26 •	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 Bit Microcontroller Summary of Registers Initialized Values

Models: MiEM78P468L MiEM78P468N