User's guide
5
1. Introduction
The CIO-32 module of ACTIS Computer S.A. is a Counter/timer and parallel I/O unit
(CIO) compatible with the IP specification. This module provides four general-purpose
8-bit ports, two special-purpose 4-bit ports, and six 16-bit counter/timers.
An on-board 2 kByte EEPROM provides IP identification codes and module specific
data.
A complete industrial OS-9 environment is available for the CIO-32 module.
2. Summary of features
• Single-size IP module.
• Compatible with the IP specification (Rev. 0.7.1).
• Four general-purpose 8-bit ports.
• Two special-purpose 4-bit ports.
• Six 16-bit counter/timers.
• Flexible pattern-recognition logic for interrupt generation.
• All signals in TTL levels.
• 2 kByte of non-volatile memory (EEPROM).
• Industrial temperature grade available (-40 to +85 °C).
3. Description
The CIO-32 IP contains two Zilog Counter/timer and parallel I/O Z8536. Each device
has two general-purpose 8-bit ports, one special-purpose 4-bit and three 16-bit
counter/timers.
All CIO-32 I/O signals, TTL levels, are directly connected from CIO controllers to the IP
50-pin I/O connector.
A 2 kByte, 8-bit data path, of non-volatile memory is present on the CIO-32 module,
this memory is divided in two sections. The first contains the identification data (64
Byte), providing the module information such as; the module type, the manufacturer
code, the module and driver revision, etc.
This information defines an auto-configuration system on each power up. The second
is less than 2 kByte (2 kByte - 64 Byte) and contains specific user's data
such as:
calibration data, configuration information, driver for operation system, etc.
3.1. Block diagram
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