EM78P468N/EM78P468L

8-Bit Microcontroller

 

Address

 

Name

 

Reset Type

 

Bit 7

 

Bit 6

 

Bit 5

 

Bit 4

 

Bit 3

 

Bit 2

 

Bit 1

Bit 0

 

 

 

 

 

 

Bit Name

 

INT_EDGE

 

INT

 

TS

 

TE

 

PSRE

 

TCCP2

 

TCCP1

TCCP0

 

 

0x07

 

IOC71

 

Power-on

 

1

 

0

 

1

 

1

 

1

 

1

 

1

1

 

 

 

 

/RESET & WDT

 

1

 

0

 

1

 

1

 

1

 

1

 

1

1

 

 

 

(TCCCR)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

P

 

P

 

P

 

P

 

P

 

P

 

P

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

X

 

X

 

X

 

X

 

WDTE

 

WDTP2

 

WDTP1

WDTP0

 

 

0x08

 

IOC81

 

Power-on

 

U

 

U

 

U

 

U

 

0

 

1

 

1

1

 

 

 

 

/RESET &WDT

 

U

 

U

 

U

 

U

 

0

 

1

 

1

1

 

 

 

(WDTCR)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

U

 

U

 

U

 

U

 

P

 

P

 

P

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

CNT2S

 

CNT2P2

 

CNT2P1

 

CNT2P0

 

CNT1S

 

CNT1P2

 

CNT1P1

CNT1P0

 

 

0x09

 

IOC91

 

Power-on

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

 

/RESET & WDT

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

(CNT12CR)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P

 

P

 

P

 

P

 

P

 

P

 

P

P

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

LPWTS

 

LPWTP2

 

LPWTP1

 

LPWTP0

 

HPWTS

 

HPWTP2

 

HPWTP1

HPWTP0

 

 

0x0A

 

IOCA1

 

Power-on

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

 

/RESET & WDT

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

(HLPWTCR)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P

 

P

 

P

 

P

 

P

 

P

 

P

P

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

PH67

 

PH66

 

PH65

 

PH64

 

PH63

 

PH62

 

PH61

PH60

 

 

0x0B

 

IOCB1

 

Power-on

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

 

/RESET & WDT

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

(P6PH)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

P

 

P

 

P

 

P

 

P

 

P

 

P

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

OP67

 

OP66

 

OP65

 

OP64

 

OP63

 

OP62

 

OP61

OP60

 

 

0x0C

 

IOCC1

 

Power-on

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

 

/RESET & WDT

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

(P6OD)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

P

 

P

 

P

 

P

 

P

 

P

 

P

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

PH87

 

PH86

 

PH85

 

PH84

 

PH83

 

PH82

 

PH81

PH80

 

 

0x0D

 

IOCD1

 

Power-on

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

 

/RESET & WDT

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

(P8PH)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

P

 

P

 

P

 

P

 

P

 

P

 

P

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

PL67

 

PL66

 

PL65

 

PL64

 

PL63

 

PL62

 

PL61

PL60

 

 

0x0E

 

IOCE1

 

Power-on

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

 

/RESET & WDT

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

(P6PL)

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

0x00

 

R0

 

Power-on

 

U

 

U

 

U

 

U

 

U

 

U

 

U

U

 

 

 

 

/RESET & WDT

 

P

 

P

 

P

 

P

 

P

 

P

 

P

P

 

 

 

(IAR)

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

0x01

 

R1

 

Power-on

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

 

/RESET & WDT

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

(TCC)

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

0x02

 

R2

 

Power-on

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

 

/RESET & WDT

 

0

 

0

 

0

 

0

 

0

 

0

 

0

0

 

 

 

(PC)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

Jump to address 0x0018 or continue to execute next instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

X

 

PS1

 

PS0

 

T

 

P

 

Z

 

DC

C

 

 

0x03

 

R3

 

Power-on

 

U

 

0

 

0

 

1

 

1

 

U

 

U

U

 

 

 

 

/RESET & WDT

 

U

 

0

 

0

 

t

 

t

 

P

 

P

P

 

 

 

(SR)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

U

 

P

 

P

 

t

 

t

 

P

 

P

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

Bank 1

 

Bank 0

 

 

 

 

 

 

 

0x04

 

R4

 

Power-on

 

0

 

0

 

U

 

U

 

U

 

U

 

U

U

 

 

 

 

/RESET & WDT

 

0

 

0

 

P

 

P

 

P

 

P

 

P

P

 

 

 

(RSR)

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-up from

 

P

 

P

 

P

 

P

 

P

 

P

 

P

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Product Specification (V1.5) 02.15.2007

 

 

 

 

 

 

 

 

 

 

 

 

27

(This specification is subject to change without further notice)

Page 33
Image 33
IBM MiEM78P468N, MiEM78P468L manual INT Psre TCCP2 TCCP1 TCCP0

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.