ATMEGA48V_11 ATMEL [ATMEL Corporation], ATMEGA48V_11 Datasheet - Page 307
ATMEGA48V_11
Manufacturer Part Number
ATMEGA48V_11
Description
8-bit Atmel Microcontroller with 4/8/16K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATMEGA48V_11.pdf
(377 pages)
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29.5
Table 29-3.
Note:
Table 29-4.
Notes:
2545T–AVR–05/11
Symbol
V
V
V
V
PONSR
t
t
V
t
I
RST
HYST
BOD
POT
RST
BG
BG
BG
System and reset characteristics
1. The power-on reset will not work unless the supply voltage has been below V
1. V
tested down to V
a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 110 and BODLEVEL = 101 for Atmel ATmega48V/88V/168V, and BODLEVEL = 101 and BODLEVEL = 100
for Atmel ATmega48/88/168.
BODLEVEL 2:0 Fuses
BOT
Parameter
Power-on reset threshold voltage (rising)
Power-on reset threshold voltage (falling)
Power-on slope rate
RESET pin threshold voltage
Minimum pulse width on RESET pin
Brown-out detector hysteresis
Min pulse width on brown-out reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
Reset, brown-out and internal voltage characteristics.
BODLEVEL fuse coding
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device is
111
110
101
100
011
010
001
000
CC
= V
BOT
during the production test. This guarantees that a brown-out reset will occur before V
(1)
.
(1)
Min. V
1.7
2.5
4.1
BOT
Condition
V
T
V
T
V
T
A
A
A
CC
CC
CC
= 25°C
= 25°C
= 25°C
= 2.7
= 2.7
= 2.7
Typ. V
1.8
2.7
4.3
BOD disabled
BOT
Reserved
POT
0.2V
Min.
0.05
0.01
0.7
1.0
(falling).
CC
ATmega48/88/168
Max. V
Typ.
1.0
0.9
1.1
50
40
10
2
2.0
2.9
4.5
BOT
0.9V
Max.
1.4
1.3
4.5
2.5
1.2
70
CC
CC
Units
drops to
V
Units
V/ms
mV
µA
µs
µs
µs
V
V
V
307
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