EM78P468N/EM78P468L

8-Bit Microcontroller

6.1.11 RA/LCD_ADDR (LCD Address)

(Address: 0Ah)

Bit

7

Bit

6

Bit

5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0

 

0

 

0

 

LCD_A4

LCD_A3

LCD_A2

LCD_A1

LCD_A0

 

 

 

 

 

 

 

 

 

 

 

Bits 7~5: Not used, fixed to “0”

Bits 4~0 (LCDA4 ~ LCDA0): LCD RAM addresses

 

 

RA

 

 

 

 

 

 

 

 

RB (LCD Data Buffer)

 

 

 

 

 

Segment

 

 

 

 

 

 

 

 

Bit 3

 

 

 

Bit 2

 

 

Bit 1

 

 

Bit 0

 

 

 

(LCD Address)

Bits 7 ~4

 

 

 

 

 

 

 

 

 

 

 

 

(LCD_D3)

 

(LCD_D2)

 

(LCD_D1)

 

(LCD_D0)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00H

 

−

 

 

−

 

 

 

−

 

 

 

 

−

 

 

 

 

−

 

 

 

SEG0

 

 

01H

 

−

 

 

−

 

 

 

−

 

 

 

 

−

 

 

 

 

−

 

 

 

SEG1

 

 

02H

 

−

 

 

−

 

 

 

−

 

 

 

 

−

 

 

 

 

−

 

 

 

SEG2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1DH

 

−

 

 

−

 

 

 

−

 

 

 

 

−

 

 

 

 

−

 

 

 

SEG29

 

 

1EH

 

−

 

 

−

 

 

 

−

 

 

 

 

−

 

 

 

 

−

 

 

 

SEG30

 

 

1FH

 

−

 

 

−

 

 

 

−

 

 

 

 

−

 

 

 

 

−

 

 

 

SEG31

 

Common

 

⋅

 

 

COM3

 

 

 

COM2

 

 

COM1

 

 

COM0

 

 

 

 

6.1.12

RB/LCD_DB (LCD Data Buffer)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Address: 0Bh)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit 7

 

 

Bit 6

 

 

Bit 5

 

 

Bit 4

 

 

 

Bit 3

 

Bit 2

 

 

Bit 1

 

Bit 0

 

 

−

 

 

−

 

 

 

 

−

 

 

−

 

 

LCD_D3

 

LCD_D2

 

LCD_D1

 

LCD_D0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bits 7~4: Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bits 3~0 (LCD_D3 ~ LCD_D0) : LCD RAM data transfer register

 

 

 

 

 

6.1.13

RC/CNTER (Counter Enable Register)

 

 

 

 

 

 

 

 

 

 

 

 

 

(Address: 0Ch)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit 7

 

 

Bit 6

 

 

Bit 5

 

 

Bit 4

 

 

 

Bit 3

 

Bit 2

 

 

Bit 1

 

Bit 0

 

 

−

 

 

−

 

 

 

 

−

 

 

−

 

 

LPWTEN

 

HPWTEN

 

CNT2EN

 

CNT1EN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bits 7, 5: Not used, must be fixed to “0”

Bits 6, 4: Not used

Bit 3 (LPWTEN): low pulse width timer enable bit

LPWTEN = “0” : Disable LPWT. Stop counting operation.

LPWTEN = “1” : Enable LPWT. Start counting operation.

Bit 2 (HPWTEN): high pulse width timer enable bit

HPWTEN = “0” : Disable HPWT. Stop counting operation.

HPWTEN = “1” : Enable HPWT. Start counting operation.

Product Specification (V1.5) 02.15.2007

• 11

(This specification is subject to change without further notice)

Page 16 Page 18
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Image 17
IBM MiEM78P468N, MiEM78P468L manual 11 RA/LCDADDR LCD Address, RB/LCDDB LCD Data Buffer, RC/CNTER Counter Enable Register
Page 16 Page 18

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.
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