6. SYSTEM FEATURES

6.1System Resources

The table below lists the default system resources utilized by the circuits on Prometheus.

Device

Address (Hex)

IRQ

DMA

Serial Port COM1

I/O 3F8-3FF

4

-

Serial Port COM2

I/O 2F8 – 2FF

3

-

Serial Port COM3

I/O 3E8 – 3EF

4

-

Serial Port COM4

I/O 2E8 – 2EF

3

-

Parallel Port LPT1

I/O 378 – 37F

7

3

IDE Controller

I/O 1F0 – 1F7

14

-

Floppy Controller

 

 

-

A/D Circuit (PR-Z32-EA only)

I/O 280 – 28F

5

-

Ethernet

I/O 1000

10

-

USB

 

11

-

6.2CPU Chip Selects

The ZF Micro CPU chip contains 4 user-configurable I/O chip selects and 4 user-configurable memory chip selects. These chip selects are visible in the BIOS setup screens. Three of the I/O chip selects are used by the Prometheus design. Chip selects 1 and 2 are used for the two serial ports COM3 and COM4. Chip select 3 is used by the data acquisition circuitry on model PR-Z32- EA. Chip select 0 is not used.

Chip Select

Function

Mode

Address Range

I/O Size

Window Size

0

Not used

--

 

--

--

--

1

COM3

R/W

3E8

– 3EF

8 bits

8 bytes

2

COM4

R/W

2E8

– 2EF

8 bits

8 bytes

3

Data Acquisition

R/W

280

– 28F

8 bits

16 bytes

These chip select settings should not be modified unless you need to change the addresses of one or more of the affected circuits for a special system configuration and are fully aware of the impact of your changes.

Prometheus CPU User Manual V1.44

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Diamond Systems PR-Z32-EA-ST, PR-Z32-E-ST user manual System Features, System Resources, CPU Chip Selects

PR-Z32-E-ST, PR-Z32-EA-ST specifications

The Diamond Systems PR-Z32-EA-ST and PR-Z32-E-ST are pioneering solutions in the realm of embedded computing systems, designed to meet the challenging demands of various industrial applications. These boards harness advanced technologies and a comprehensive feature set to ensure exceptional performance, flexibility, and reliability.

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In conclusion, the Diamond Systems PR-Z32-EA-ST and PR-Z32-E-ST are formidable options for those seeking powerful, versatile, and reliable embedded computing solutions. With their advanced SoC architecture, flexible I/O options, extensive memory configurations, and environmental resilience, these boards are well-equipped to tackle the challenges of modern industrial applications.