attiny167-esxz ATMEL Corporation, attiny167-esxz Datasheet - Page 236

• Manufacturer Part Number: attiny167-esxz
• Description: 8-bit Avr 8-bit Microcontroller Microcontroller With 16k Bytes In-system Programmable Flash And Lin Controller
• Manufacturer: ATMEL Corporation

22.5
236
RESET Characteristics
ATtiny167
Table 22-2.
Table 22-3.
Table 22-4.
Note:
Symbol
Symbol
V
V
V
V
V
Symbol
Δ
t
t
t
POT
PORMAX
PORMIN
CCRR
RST
V
CLCH
CHCL
t
V
CLCX
t
t
I
RST
CLCL
RST
BG
BG
BG
1. Before rising, the supply has to be between VPORMIN and VPORMAX to ensure a Reset.
Parameter
Low Time
Rise Time
Fall Time
Change in period from one clock cycle
to the next
Parameter
Voltage
Minimum pulse width on
RESET Pin
Bandgap reference voltage
Bandgap reference start-up
time
Bandgap reference current
consumption
RESET Pin Threshold
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal
Power-on Reset signal
VCC Min. start voltage to ensure internal
Power-on Reset signal
VCC Rise Rate to ensure Power-on Reset
External Clock Drive (Continued)
External Reset Characteristics
Power On Reset Characteristics
RESET Pin Threshold Voltage
V
V
V
Condition
T
T
T
V
V
CC
CC
CC
A
A
A
CC
CC
= 25°C
= 25°C
= 25°C
= 2.7V,
= 2.7V,
= 2.7V,
= 5V
= 5V
Vcc = 2.7 - 5.5V
Min.
50
(1)
0.1 Vcc
0.1 Vcc
-
0.01
Min
Max.
1.6
1.6
Min
0.1
1.0
2
Typ
Vcc = 4.5 - 5.5V
1.0
0.9
Typ
Min.
1.1
40
15
25
0.9 Vcc
0.9 Vcc
Max
Max
1.4
1.3
0.4
Max.
2.5
1.2
70
0.5
0.5
7728A–AUTO–07/08
2
Units
V/ms
Units
Units
ms
ms
V
V
V
V
V
ns
µA
µs
µs
%
V
V