SH7137 Datasheet, PDF (1115/1160 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 26 Electrical Characteristics
26.3.7 Watchdog Timer (WDT) Timing
Table 26.12 Watchdog Timer (WDT) Timing
Conditions: V_CC = 3.0 V to 3.6 V or 4.0 V to 5.5 V, AV_CC = 4.5 V to 5.5 V, AV_refh = 4.5 V to
AV_CC, V_SS = PLLV_SS = AV_SS = AV_refl = 0 V,
T_a = –20°C to +85°C (consumer applications),
T_a = –40°C to +85°C (industrial applications)
Item
WDTOVF delay time
Symbol
t
WOVD
Min.

Max.
Unit
50
ns
Reference
Figure
Figure 26.20
CK
WDTOVF
V_OH
t_WOVD
V_OH
t_WOVD
Figure 26.20 WDT Timing
Rev. 2.00 Sep. 10, 2008 Page 1089 of 1130
REJ09B0402-0200