The SBC-R9 has eight analog inputs with an effective bandwidth of 1.23 kHz divided across all eight analog inputs. The A/D device specifies a maximum sampling fr
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The Z16C32 operates similar to a UART and transmits the least significant bit first. The only exception is when the card is operating in SDLC/HDLC mode wit
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The ITU document O.153 paragraph 2.1 indicates the BERT pattern can be used at data rates up to 14.4 Kbps. However, the Sealevel WinSSD utility allows the B
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What CRC-CCITT value is used by Sealevel synchronous serial adapters with the Zilog Z85230?
Dec 29th 2010
The CRC-CCITT polynomial value used in the Zilog Z85230 is:x16 + x12 + x11 + x10 + x8 + x3 + x2 + x1 + 1The corresponding hexadecimal value is 0x1D0F.
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What CRC-CCITT value is used by Sealevel synchronous serial adapters with the Zilog Z16C32?
Dec 29th 2010
The CRC-CCITT polynomial value used in the Zilog Z16C32 is:x16 + x12 + x5 + 1The corresponding hexadecimal value is 0x1021.
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What is a CRC in synchronous serial communications?
Dec 29th 2010
The Cyclic Redundancy Check (CRC) is a check value used to detect transmission errors in a frame or block of data. The transmitter encodes the calculated CRC
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Section 2.5 of the ITU O.151 document basically states that a pattern can be encapsulated by the framing bits of a protocol, if necessary. Therefore, the BE
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Open-collector outputs with circuit protection are the best choice for controlling power to devices with highly inductive loads such as DC motors, solenoids, and hi
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In Windows Device Manager, Sealevel synchronous serial adapters will install under the “SeaMAC Device” category. The device names for Sealevel synchronou
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Sealevel synchronous serial adapters enumerate as SeaMAC devices in Windows. Since the devices are zero-indexed, the first installed port will be “SeaMAC0&rd
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Applications that require 9-bit protocols are rare so the chips that support them are more expensive than standard 8-bit UARTs. Most 8-bit UARTs can simula
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Any Sealevel asynchronous serial adapter that includes a 16C950 UART or 16C954 quad-port UART natively supports 9-bit framing in hardware. USB serial ada
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2-wire RS-485 connects the transmitter and receiver to the same data channel. Many applications are not designed to receive the same data they are transmitting and e
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Windows XP Pro is no longer available on Sealevel computers.
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Non-polarized means that the input trigger condition measures the voltage magnitude across the input, or alternatively the current magnitude through the input, rega
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Downloads:
APC NetBotz Application Note #134
Size: 169.68 KB Type: pdf
Sealevel SeaI/O devices offer flexible
I/O expansion to APC Net
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What is a Quadrature Counter and how is it used?
Jun 11th 2010
A Quadrature counter, also known as a Quadrature decoder, shaft decoder, or rotary decoder, is a type of digital input that uses a two-bit Gray code input to increa
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Are sample applications provided with the SeaMAX driver?
Jun 11th 2010
The SeaMAX Software package automatically installs several application samples with source code in the Example Projects subfolder.To access the samples from the Start
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