BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 917

• Manufacturer Part Number: BMSKTOPASA900(DCE)
• Description: KIT STARTER TMPA900 USB JTAG
• Manufacturer: Toshiba
• Series: TOPASr
• Type: MCUr

Specifications of BMSKTOPASA900(DCE)

• Contents: Evaluation Board, Cable(s), Software and Documentation
• For Use With/related Products: TMPA900CMXBG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4) How to set the minimum and maximum clock fault detection values
CLKSMN set value =
CLKSMX set value =
• Example of calculation for the configuration frequency
• How to set the CLKSMN and CLKSMX registers
ratio) + α
The actual registers (CLKSMN and CLKSMX) setting value is calculated by above the
configuration values
The following shows the calculation formulas and register setting examples when f
MHz (assuming the guaranteed oscillation frequency error is ± 1%).
generated.
The configuration frequency = (frequency) + (frequency error ratio) + (OFD circuit error
therefore recommended to set CLKSMN and CLKSMX to approximately ± 10% of f
When the oscillation clock frequency goes outside the specified range, an OFD reset is
Note: this detector is for checking the harmonic and subharmonic. This detector is not for measurement the error
The OFD of this product is capable of detecting f
Frequency (Low) = 24 MHz*(1-10%) = 21.6 MHz
Frequency (High) = 24 MHz*(1+10%) = 26.4 MHz
Frequency (Low) = 21.6 MHz
Frequency (High) = 26.4 MHz
of oscillator or crystal oscillation frequency.
frequency
frequency
fs
fs
×
×
TMPA900CM - 916
4
4
(
(
TENTATIVE
Low
High
)
)
=
=
32.768
32.768
21.6
26.4
×
×
10
10
-3
3 -
×
OSCH
×
4
4
≒
≒
deviations exceeding 10%. It is
165
(fractions to be rounded up)
201
(fractions to be rounded up)
=
=
0
0
xA
xC
5
9
TMPA900CM
2009-10-14
OSCH
OSCH
= 24
.