S E R I A L C O N T RO L M O D U L E : U A RT

Normal mode operation

UART module structure

 

 

UART

 

RI

 

 

 

 

CTS

 

 

 

 

DCD

AHB Bus

 

 

 

DSR

 

 

 

 

DTR

ref_clk

 

 

 

RTS

int

 

 

 

RXD

 

 

 

TXD

 

Transmit

 

Receive

 

FIFO

 

FIFO

 

 

Interface

 

Interface

valid

be[1:0] data[31:0] read

write

be[1:0] status[6:0]

data[31:0]

 

IOHub

 

 

N o r m a l m o d e o p e r a t i o n

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Example configuration

The UART achieves normal mode operation by programming the UART and Wrapper configuration registers.

This example shows a normal mode operation configuration for a hyperterminal application. Any field not specified in this table can be left at reset value.

Control register

Field

Value

Comment

 

 

 

 

UART Line Control register (0x10c)

DLAB

0x1

Enables access to baud rate registers

 

 

 

 

 

 

 

 

UART Baud Rate Divisor LSB

DLR

0xC0

Set baud rate to 9600 bps

(0x100)

 

 

MSB defaults to 0x0

 

 

 

 

 

 

 

 

UART Line Control register (0x10c)

DLAB

0x0

Disables access to baud rate registers

 

 

 

 

 

WLS

0x3

8 bits per character

 

 

 

 

UART FIFO Control register (0x108) FIFOEN

0x01

Enable RX and TX FIFOs

386Hardware Reference NS9215

Page 386
Image 386
Digi NS9215 manual R m a l m o d e o p e r a t i o n, Uart module structure, Example configuration

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.