EM78P468N/EM78P468L

8-Bit Microcontroller

6.2.3IOC60/P6CR (Port 6 I/O Control Register)

(Address: 06h, Bit 0 of R5 = “0”)

Bit 7

 

Bit 6

 

Bit 5

 

Bit 4

 

Bit 3

 

Bit 2

 

Bit 1

 

Bit 0

IOC67

 

IOC66

 

IOC65

 

IOC64

 

IOC63

 

IOC62

 

IOC61

 

IOC60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit 7 (IOC67) ~ Bit 0(IOC60): Port 6 I/O direction control register

IOC6x =”0”: set the relative Port 6.x I/O pins as output

IOC6x =”1”: set the relative Port 6.x I/O pin into high impedance (input pin)

6.2.4IOC70/P7CR (Port 7 I/O Control Register)

(Address: 07h, Bit 0 of R5 = “0”)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

 

 

 

 

 

 

 

 

IOC77

IOC76

IOC75

IOC74

IOC73

IOC72

IOC71

IOC70

 

 

 

 

 

 

 

 

Bit 7 (IOC77) ~ Bit 0 (IOC70): Port 7 I/O direction control register

IOC7x = “0”: set the relative Port 7.x I/O pins as output

IOC7x = “1”: set the relative Port 7.x I/O pin into high impedance (input pin)

6.2.5IOC80/P8CR (Port 8 I/O Control Register)

(Address: 08h, Bit 0 of R5 = “0”)

Bit 7

 

Bit 6

 

Bit 5

 

Bit 4

 

Bit 3

 

Bit 2

 

Bit 1

 

Bit 0

IOC87

 

IOC86

 

IOC85

 

IOC84

 

IOC83

 

IOC82

 

IOC81

 

IOC80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit 7 (IOC 87) ~ Bit 0 (IOC 80): Port 8 I/O direction control register

IOC8x = “0”: set the relative Port 8.x I/O pins as output

IOC8x = “1”: set the relative Port 8.x I/O pin into high impedance (input pin)

6.2.6IOC90/RAM_ADDR (128 Bytes RAM Address)

(Address: 09h, Bit 0 of R5 = “0”)

Bit

7

Bit 6

 

Bit 5

Bit 4

Bit 3

Bit 2

 

Bit 1

Bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

RAM_A6

RAM_A5

RAM_A4

RAM_A3

RAM_A2

RAM_A1

RAM_A0

 

 

 

 

 

 

 

 

 

 

 

Bit 7: Not used, fixed at “0”

Bits 6~0: 128 bytes RAM address

6.2.7IOCA0/RAM_DB (128 Bytes RAM Data Buffer)

(Address: 0Ah, Bit 0 of R5 = “0”)

 

Bit 7

 

Bit 6

 

Bit 5

 

Bit 4

 

Bit 3

 

Bit 2

 

Bit 1

 

Bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RAM_D7

 

RAM_D6

 

RAM_D5

 

RAM_D4

 

RAM_D3

 

RAM_D2

 

RAM_D1

 

RAM_D0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bits 7~0: 128 bytes RAM data transfer register

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

 

 

 

 

 

 

Product Specification (V1.5) 02.15.2007

(This specification is subject to change without further notice)

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IBM MiEM78P468L, MiEM78P468N manual 3 IOC60/P6CR Port 6 I/O Control Register, 4 IOC70/P7CR Port 7 I/O Control Register

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.