Base + 8

Read / Write

Digital I/O Port A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit No.

7

 

6

5

 

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

Name

A7

 

A6

A5

 

A4

A3

A2

A1

A0

 

 

 

 

 

 

 

 

 

 

 

Base + 9

Read / Write

Digital I/O Port B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit No.

7

 

6

5

 

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

Name

B7

 

B6

B5

 

B4

B3

B2

B1

B0

 

 

 

 

 

 

 

 

 

 

 

Base + 10

Read / Write

Digital I/O Port C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit No.

7

 

6

5

 

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

Name

C7

 

C6

C5

 

C4

C3

C2

C1

C0

 

 

 

 

 

 

 

 

 

 

 

These 3 registers are used for digital I/O. The direction of each register is controlled by bits in the register below.

Base + 11

Read / Write

 

Digital I/O Control Register

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit No.

7

 

6

 

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

Name

DIOCTR

 

X

 

X

DIRA

DIRCH

X

DIRB

DIRCL

 

 

 

 

 

 

 

 

 

 

 

The bit assignments of this register are designed to be compatible with the 82C55 chip’s control register.

DIOCTR Selects counter I/O signals or digital I/O lines C4-C7 on pins 21-24 of J14:

 

 

Pin No.

DIOCTR = 1

DIOCTR = 0

Pin direction for DIOCTR = 0

 

 

21

C4

Gate 0

Input

 

22

C5

Gate 1

Input

 

23

C6

Clk 1

Input

 

24

C7

Out 0

Output

NOTE:

 

If DIOCTR = 0, then the pin direction is as shown above. If DIOCTR = 1 then the pin

 

 

direction is controlled by DIRCH.

 

 

 

 

This bit resets to 1.

 

 

 

DIRA

Port A direction. 0 = output, 1 = input

 

 

DIRB

Port B direction: 0 = output, 1 = input

 

 

DIRCH

Port C bits 7-4 direction: 0 = output, 1 = input

 

 

DIRCL

Port C bits 3-0 direction: 0 = output, 1 = input

 

 

Prometheus CPU User Manual V1.44

Page 41

Page 40 Page 42
Page 41
Image 41
Diamond Systems PR-Z32-E-ST Base + Read / Write Digital I/O Control Register, Dioctr Dira Dirch Dirb Dircl, Dioctr =
Page 40 Page 42

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.

At the heart of the PR-Z32 series is a robust processor architecture that combines efficiency with processing power. The systems are built around the Zynq-7000 SoC (System on Chip), which integrates a dual-core ARM Cortex-A9 processor with Xilinx FPGA technology. This hybrid architecture provides the ability to run complex algorithms and custom logic concurrently, making the boards ideal for applications requiring intense computational tasks such as image processing, data acquisition, and real-time control.

One of the main features of the PR-Z32-EA-ST and PR-Z32-E-ST is their versatility. Both variants support a wide range of I/O options, including USB, Ethernet, CAN, and serial interfaces. This range of connectivity allows for integrations with various sensors, actuators, and other peripheral devices, making it suitable for industrial automation, robotics, and IoT projects. The inclusion of multiple GPIO pins also enhances the capability of the boards to interface with additional hardware.

In terms of performance, the PR-Z32 series supports substantial amounts of on-board memory, which can be essential for applications requiring the storage and processing of large datasets. The configurations are often customizable, allowing users to select the appropriate amount of RAM and on-board flash memory for their specific applications.

Reliability is a critical characteristic of the Diamond Systems PR-Z32 series. The boards are built to withstand adverse environmental conditions, making them suitable for deployment in industrial environments. They are often designed to operate over a wide temperature range, ensuring functionality in both hot and cold climates. Additionally, the boards are compliant with various industry standards, assuring users of their robustness and durability.

Moreover, the PR-Z32-EA-ST and PR-Z32-E-ST support real-time operating systems (RTOS) and conventional operating systems such as Linux. This support provides developers with the flexibility to choose the best environment for their applications, whether they require real-time performance or full-fledged operating system features.

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.
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