Central Processing Unit: System Interface Unit (SIU)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vector Address

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exception:

Hex Offset:

 

Notes:

 

(continued)

 

 

 

 

 

 

 

Data TLB error

01400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data breakpoint

01C00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Peripheral breakpoint

01E00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

External interrupt

00500

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Decrementer

Decrementer

 

Lowest priority

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU Interrupts

The logic on the PmT1 and PmE1 module receive external interrupts LSERR* and LINTo* from the PCI9060ES chip. These interrupts are combined on IRQ7*, which is the only exter- nal interrupt input used on the MPC860P.

The Conventional Interrupt register and the Interrupt Vector register are available to moni- tor the status of the external interrupts. These registers are byte wide and read-only. Attempts to read these registers with data sizes greater than a byte does not result in a bus error.

The Conventional Interrupt register at C000,000C16 indicates which PCI9060ES interrupts are active. If bit 5 is one, LSERR* is active. If bit 4 is one, LINTo* is active. All other bits in this register read as zero.

Bits (4:2) of the Interrupt Vector register (at C000,000016) store the vector of the highest priority external interrupt that is pending. The vector for LSERR* is 1002; the vector for LINTo* is 0112. The vector 0002 indicates that no interrupt is pending.

Internal interrupt sources including the hardware bus monitor, the software watchdog timer, the periodic interrupt timer (PIT), the real-time clock, and the CPM may each be assigned to a particular interrupt level in software. Interrupt levels may be programmed for logic low or negative edge assertion.

SYSTEM INTERFACE UNIT (SIU)

The SIU provides the MPC860P with system configuration and monitoring features. In par- ticular, two system timers are described in the following subsections. The memory control- ler is also part of the SIU but is described in the “On-card DRAM”, Section .

Table 3-5:MPC860P SIU Register Block Map

Physical Hex

 

 

Address:

Acronym:

Register Block Name:

FF00,0000

SIU

General System Interface Unit

 

 

 

FF00,0080

—

reserved

FF00,0100

MEMC

Memory controller

 

 

 

3-4

PmT1 and PmE1 User’s Manual

10002367-02

Page 35 Page 37
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Emerson PME1, PMT1 user manual Central Processing Unit System Interface Unit SIU, CPU Interrupts, Exception Hex Offset
Page 35 Page 37

PMT1, PME1 specifications

The Emerson PME1 and PMT1 are advanced solutions in the realm of process management and automation, designed to enhance the efficiency and effectiveness of industrial operations. These devices play a crucial role in improving process control and providing comprehensive data analysis, which can lead to increased productivity and reduced operational costs.

The PME1 is characterized by its robust design and highly flexible architecture, allowing it to adapt to a variety of industrial environments. It integrates seamlessly with existing systems and offers advanced connectivity options to ensure that data flow is uninterrupted across different platforms. This feature is particularly important in modern industrial settings where data silos can inhibit operational efficiency.

The PMT1, on the other hand, focuses on real-time monitoring and telemetry. Its streamlined interface allows for quick access to key metrics, enabling operators to make informed decisions promptly. This is crucial in processes where timing is essential and minor delays can lead to significant financial losses. The PMT1 supports both wired and wireless communication protocols, ensuring that data is transmitted reliably irrespective of operational conditions.

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Another significant characteristic of the PME1 and PMT1 is their user-friendly interface. The intuitive design allows operators of all skill levels to navigate the systems with ease, minimizing training time and increasing overall productivity. With customizable dashboards, users can tailor their views to highlight the most relevant data for their specific operational needs.

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In summary, the Emerson PME1 and PMT1 are sophisticated tools designed for modern industrial applications, combining powerful features, advanced technologies, and essential characteristics. Their ability to provide real-time data analysis, ensure connectivity, and enhance predictive maintenance makes them invaluable for optimizing process management in various sectors. With a focus on user experience and data security, these devices are set to redefine efficiency and productivity in industrial operations.
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