EVM Setup
9
SPRUI96 – October 2016
Copyright © 2016, Texas Instruments Incorporated
TPS3813xxxQ1EVM for Processor Voltage Supervisor With Window-
Watchdog User’s Guide
Figure 11. Rise Time TPS3813K33-Q1
Figure 12. Rise Time TPS3813I50-Q1
Figure 13. Fall Time TPS3813K33-Q1
Figure 14. Fall Time TPS3813I50-Q1
3.3
Programming Watchdog Timer
The TPS3813-Q1EVM allows users to program the watchdog window using the WDT and WDR pins with
several different configurations to set the window timeout and ratio, which are explained in the
Implemented Window-Watchdog Settings section of the TPS3813Q1 datasheet. On board the EVM, the
WDT pin can be connected to ground through the C2 capacitor using the J4 and J6 jumpers to set the
upper boundary of the watchdog window. Jumpers must be set as in
.
Table 6. Jumper Settings
Jumper
Setting
J1 to J5
VDD1
J2 to J6
VDDI
J3 to J7
C2
J4 to J8
ON
