51.5 Power-On Reset Graphs Figure 51-40. Start-up Time vs. VDD (PWRTS[1:0] = 0x2) Figure 51-41. Start-up Time vs. Temperature (PWRTS[1:0] = 0x2, VDD = 1.8V) Figure 51-42. Start-up Time vs. Temperature (PWRTS[1:0] = 0x2, VDD = 3.0V) Figure 51-43. Start-up Time vs. Temperature (PWRTS[1:0] = 0x2, VDD = 5.5V)