S Y S T E M C O N T RO L M O D U L E

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General purpose timers/counters. .

G e n e r a l p u r p o s e t i m e r s / c o u n t e r s

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Source clock frequency

Ten 32-bit general purpose timers/counters (GPTC) provide programmable time intervals to the CPU when used as one or multiple timers. There are two I/O pins associated with each timer.

When used as a gated timer, one I/O pin serves as an input qualifier (high/low programmable).

When used as a regular timer (enabled by software), the other I/O pin serves as a terminal count indicator output.

These pins can also be used independently as up/down counters to monitor the frequency of certain events (events capturing). In this situation, the I/O pin becomes the clock source of the counter.

Depending on the applications, the source clock frequency of the timers/counters is selectable among the system memory clock, the system memory clock with multiple divisor options, or an external pulse event. The divisor options are 2, 4, 6, 16, 32, 62, 128, or 256. If an external pulse is used, the frequency must be less than one half the system memory clock frequency.

GPTC characteristics

Control field

Each GPTC can measure external event lengths up to minutes range, and can be individually enabled/disabled.

Each GPTC can be configured to reload, with the value defined in the Initial Timer Count register (one for each GPTC), and generates an interrupt upon terminal count.

Each GPTC has an interrupt request connected to the IRQ interrupt controller (VIC). The priority level and enable/disable of each interrupt can be programmed in the VIC. The CPU can read the contents of the timer/counter.

GPTCs can be concatenated to form larger timer counters.

Include this control field in each of the 32-bit timer/counter control registers: Clock frequency selection

Mode of operation:

–Internal timer, with or without external terminal count indicator

–External gated timer with gate active low

–External gated timer with gate active high

–External event counter — frequency must be less than one half the system memory clock frequency

Timer/counter enable

Count up or down

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Digi NS9215 manual N e r a l p u r p o s e t i m e r s / c o u n t e r s, Source clock frequency
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NS9215 specifications

The Digi NS9215 is a powerful solution designed for industrial applications that require reliable connectivity and robust performance. Built on a foundation of advanced technologies, the NS9215 serves as a versatile networking device that meets the demands of automation, remote monitoring, and data acquisition.

One of the standout features of the Digi NS9215 is its multi-protocol support. It is capable of handling various communication protocols, including Ethernet, Serial, and Wireless, making it ideal for integration into heterogeneous environments. This flexibility enables users to connect legacy devices to modern networks seamlessly, facilitating smoother data communication across different platforms.

The NS9215 is equipped with powerful processing capabilities, featuring an integrated processor that ensures efficient data handling. This enables the device to perform complex data tasks without compromising performance. Its high-speed connectivity options also allow for rapid data transmission, which is crucial for real-time applications in industrial settings.

Another critical characteristic of the Digi NS9215 is its reliability in harsh environments. Built to withstand extreme temperatures, humidity, and electrical interference, this device assures consistent operation even in challenging conditions. Its rugged design minimizes the risk of failure, making it suitable for deployment in various industrial environments.

Security is a top priority for the Digi NS9215. It comes with advanced security features that protect sensitive data during transmission and prevent unauthorized access. Employing encryption protocols and secure authentication methods, the NS9215 ensures that data integrity and confidentiality are maintained throughout its operation.

The user-friendly interface of the NS9215 allows for easy configuration and management. This ease of use reduces the time required for installation and setup, enabling quick deployment in field operations. Additionally, remote management capabilities enhance operational efficiency, allowing users to monitor device performance and make adjustments from anywhere.

Furthermore, the NS9215 supports extensive scalability options. As organizations grow and evolve, the ability to scale up or adapt the networking capabilities becomes essential. With its modular design, the NS9215 can easily accommodate additional devices and protocols, ensuring longevity and continued relevance in a rapidly changing technological landscape.

In conclusion, the Digi NS9215 is a robust networking device designed for a wide range of industrial applications. Its multi-protocol support, reliability, security features, user-friendly interface, and scalability make it a valuable addition to any industrial network infrastructure, delivering performance and efficiency that businesses can depend on for critical operations.
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