10.1.8.2 Power-On Reset (POR) Cells

Table 10-40. VDDCORE POR Characteristics
Symbol	Parameter	Conditions	Min	Max	Unit
V_DDCORE	Supply voltage range (VDDCORE)	–	0.5	1.21	V
V_IT-	Negative-going input threshold voltage (VDDCORE)⁽¹⁾	Measured with a -10V/s ramp rate	0.68	0.92	V
V_IT+	Positive-going input threshold voltage (VDDCORE)⁽¹⁾	Measured with a +10V/s ramp rate	0.70	0.99	V
V_hys	Hysteresis voltage⁽¹⁾⁽²⁾	–	20	60	mV
t_RES	Reset time⁽¹⁾	–	1	5	ms
t_DET-	V_IT- detection propagation time	100 mV threshold overdrive	–	10	µs

Note:

Table 10-41. VDDIN33 POR Characteristics
Symbol	Parameter	Conditions	Min	Max	Unit
V_DDIN33	Supply voltage range (VDDIN33)	–	–	3.60	V
V_IT-	Negative-going input threshold voltage (VDDIN33)⁽¹⁾	Measured with a -10V/s ramp rate	2.40	2.60	V
V_IT+	Positive-going input threshold voltage (VDDIN33)⁽¹⁾	Measured with a +10V/s ramp rate	2.44	2.65	V
V_hys	Hysteresis voltage⁽¹⁾⁽²⁾	–	40	60	mV
t_RES	Reset time⁽¹⁾	–	1	6	ms
t_DET-	VIT- detection propagation time	100 mV threshold overdrive	–	30	µs

Note:

Table 10-42. VDDBU POR Characteristics
Symbol	Parameter	Conditions	Min	Max	Unit
V_DDBU	Supply voltage range (VDDBU)	–	–	3.60	V
V_IT-	Negative-going input threshold voltage (VDDBU) ⁽¹⁾	Measured with a -10V/s ramp rate	1.38	1.51	V
V_IT+	Positive-going input threshold voltage (VDDBU)⁽¹⁾	Measured with a +10V/s ramp rate	1.42	1.55	V
V_hys	Hysteresis voltage ⁽¹⁾⁽²⁾	–	25	45	mV
t_RES	Reset time⁽¹⁾	–	1.2	3.3	ms
t_DET-	VIT-detection propagation time	100 mV threshold overdrive	–	6	µs

Figure 10-36. VDDIN33/VDDCORE/VDDBU Power-On Reset Characteristics