UPD70F3786GJ-GAE-AX Datasheet, PDF (689/1817 Pages) Renesas Technology Corp – RENESAS MCU V850ES/Jx3-E Microcontrollers

V850ES/JH3-E, V850ES/JJ3-E
CHAPTER 13 FUNCTIONS OF WATCHDOG TIMER 2
Table 13-2. Watchdog Timer 2 Clock Selection
WDCS24 WDCS23 WDCS22 WDCS21 WDCS20 Selected Clock 100 kHz (MIN.) 220 kHz (TYP.) 400 kHz (MAX.)
0
0
0
0
0
2¹²/fR
41.0 ms
18.6 ms
10.2 ms
0
0
0
0
1
2¹³/fR
81.9 ms
37.2 ms
20.5 ms
0
0
0
1
0
2¹⁴/fR
163.8 ms
74.5 ms
41.0 ms
0
0
0
1
1
2¹⁵/fR
327.7 ms
148.9 ms
81.9 ms
0
0
1
0
0
2¹⁶/fR
655.4 ms
297.9 ms
163.8 ms
0
0
1
0
1
2¹⁷/fR
1,310.7 ms
595.8 ms
327.7 ms
0
0
1
1
0
2¹⁸/fR
2,621.4 ms
1191.6 ms
655.4 ms
0
0
1
1
1
2¹⁹/fR (Default value) 5,242.9 ms
2383.1 ms
1,310.7 ms
0
1
0
0
0
2¹⁹/fXX
0
1
0
0
1
2²⁰/fXX
0
1
0
1
0
2²¹/fXX
0
1
0
1
1
2²²/fXX
0
1
1
0
0
2²³/fXX
0
1
1
0
1
2²⁴/fXX
0
1
1
1
0
2²⁵/fXX
0
1
1
1
1
2²⁶/fXX
fXX = 50 MHz
10.5 ms
21.0 ms
41.9 ms
83.9 ms
167.8 ms
335.5 ms
671.1 ms
1342.2 ms
fXX = 48 MHz
10.9 ms
21.8 ms
43.7 ms
87.4 ms
174.8 ms
349.5 ms
699.1 ms
1398.1 ms
fXX = 32 MHz
16.4 ms
32.8 ms
65.5 ms
131.1 ms
262.1 ms
524.3 ms
1048.6 ms
2097.2 ms
1
×
0
0
0
2⁹/fXT
1
×
0
0
1
2¹⁰/fXT
1
×
0
1
0
2¹¹/fXT
1
×
0
1
1
2¹²/fXT
1
×
1
0
0
2¹³/fXT
1
×
1
0
1
2¹⁴/fXT
1
×
1
1
0
2¹⁵/fXT
1
×
1
1
1
2¹⁶/fXT
fXT = 32.768 kHz
15.625 ms
31.25 ms
62.5 ms
125 ms
250 ms
500 ms
1,000 ms
2,000 ms
R01UH0290EJ0300 Rev.3.00
Sep 19, 2011
Page 689 of 1817