TMPM4K Group(1)
Product Inromation
2018-09-18
77 / 89
Rev. 2.1
Clock Selective Watchdog Timer(SIWDT)
2.13.1. Built-in channel
The following table shows the SIWDT built-in channel of each product.
Table 2.63 SIWDT built-in channel
Product
SIWDT channel
(
: Available, - : N/A)
M4K4
M4K2
M4K1
M4K0
2.13.2. Count Clock
The Clock Selective Watchdog Timer can select the clock to count.
The following table shows the selectable clock.
Table 2.64 SIWDT count clock
Clock
Signal
Selection
System clock
fsys
Selected by
[SIWD0MOD]
<WDCLS>
Internal High speed oscillator1 clock
f
IHOSC1
Internal High speed oscillator2 clock
f
IHOSC2
2.13.3. Output control
To select the Internal High speed oscillator 2(f
IHOSC2
), Rewriting of the internal High speed oscillator2 can be
forbidden.
Table 2.65 SIWDT output control
Output control
Signal name
Remark
Protect signal of Internal High speed
oscillator 2 control bit
(
[CGOSCCR]
<IHOSC2EN>)
OSCPRO
Setting by
[SIWD0OSCCR]
<OSCPRO>