TMPM4K Group(1)
Product Inromation
2018-09-18
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Rev. 2.1
Oscillation Frequency Detection circuit(OFD)
2.16.1. Support products
The OFD is supported by the following products.
Table 2.69 OFD support product
Product
OFD support
(
: Available, - : N/A )
M4K4
M4K2
M4K1
M4K0
2.16.2. Reference Clock
The Oscillation frequency detection circuit operates considering the clock of the following tables as a reference
clock.
Table 2.70 OFD reference clock
Reference clock
Signal name
Divide value
Internal High speed oscillator 2
f
IHOSC2
256
2.16.3. Clock for detection
The Oscillation frequency detection circuit chooses the clock to monitor from the detection object clock of the
following tables.
Table 2.71 OFD clock for detection
Clock for detection
Signal name
Input signal
External High speed oscillator clock
f
EHOSC
Selected clock by the
[CGOSCCR]
<OSCSEL> and
[CGPLL0SEL]
<PLL0SEL> in CG(Clock control block)
fc