Description
Accept halfBits from 1 through 4 and divide by 2 × positive bitRate for seconds.
UART frames combine a start bit, data, optional parity, and stop duration. Baud rate and framing choices jointly determine time and overhead, while polarity and parity correctness are separate checks.
Accept halfBits from 1 through 4 and divide by 2 × positive bitRate for seconds.
When to use this tool
Use Uart Stopbit Half Bit Duration when you need one UART timing, framing, or field calculation.
How to use the tool and how it works
- Enter halfBits, bitRate. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read seconds. Use the output convention below.
Accept halfBits from 1 through 4 and divide by 2 × positive bitRate for seconds.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| halfBits | Half Bits | Required. Safe integer. |
| bitRate | Serial bit rate in bits per second. | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| seconds | Duration in seconds. | Required. Finite number. |
{
"input": {
"halfBits": 3,
"bitRate": 1000
},
"output": {
"seconds": 0.0015
}
}Limitations and assumptions
- This converts a supplied half-bit duration; it does not assert that every choice is supported as a stop-bit setting by a device.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Confirm the device's supported frame format and clock budget, then inspect a measured serial waveform where needed.
References
Similar or alternative tools
- Uart Stop Bit Half Slot Budget
Count one start bit, 5-9 data bits, 0-1 parity bits, and stopHalfBits in {2, 3, 4}.
- Uart Parity Frame Bit Contribution
Add one start bit, dataBits, optional parity, and stopBits in {1, 1.5, 2} for frameBits.