The sEEPromFRCcalib eepFRCcalib variable contains the settings for the FRC calibration.
frcCalibGate
The frcCalibGate variable holds the duration of the measured gate (XTO depending). See FRC Calibration for a functional
description.
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0x0098
frcCalibGate
data[7:0]
The data[7:0] variable holds the number of system clock (XTO/4) cycles that are required for
200 FRC cycles:
data=fXTO/4fFRC×200......(4)
This results in data = 191 for a standard crystal with 24.305 MHz and the
target FRC frequency of 6.36 MHz. The default value for data[7:0] is, therefore, 0xBF.
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