Rainbow Electronics ATtiny10 - Manual (Page 119)

119
8127B–AVR–08/09
ATtiny4/5/9/10
16.5 System and Reset Characteristics
Note: 1. Values are guidelines, only
16.5.1 Power-On Reset
Note: 1. Values are guidelines, only
2. Threshold where device is released from reset when voltage is rising
3. The Power-on Reset will not work unless the supply voltage has been below V
POT
(falling)
16.5.2 V
CC
Level Monitor
Note: 1. Typical values at room temperature
Table 16-4. Reset, VLM, and Internal Voltage Characteristics
Symbol Parameter Condition Min
(1)
Typ
(1)
Max
(1)
Units
V
RST
RESET Pin Threshold
Voltage
0.2 V
CC
0.9V
CC
V
t
RST
Minimum pulse width on
RESET Pin
V
CC
= 1.8V
V
CC
= 3V
V
CC
= 5V
2000
700
400 ns
t
TOUT
Time-out after reset 64 128 ms
V
HYST
VLM Hysteresis 50 mV
Table 16-5. Characteristics of Enhanced Power-On Reset. T
A
= -40 - 85
°
C
Symbol Parameter Min
(1)
Typ
(1)
Max
(1)
Units
V
POR
Release threshold of power-on reset (2) 1.1 1.4 1.6 V
V
POA
Activation threshold of power-on reset (3) 0.6 1.3 1.6 V
SR
ON
Power-On Slope Rate 0.01 V/ms
Table 16-6. Voltage Level Monitor Thresholds
Parameter Min Typ (1) Max Units
Trigger level VLM1L 1.1 1.4 1.6
V
Trigger level VLM1H 1.4 1.6 1.8
Trigger level VLM2 2.0 2.5 2.7
Trigger level VLM3 3.2 3.7 4.5
Settling time TBD TBD TBD µs