ATmega48PA Automotive Atmel Corporation, ATmega48PA Automotive Datasheet - Page 318
ATmega48PA Automotive
Manufacturer Part Number
ATmega48PA Automotive
Description
Manufacturer
Atmel Corporation
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29.5
Table 29-5.
Table 29-6.
318
Notes:
Notes:
Vpormax
Vpormin
Symbol
V
V
V
CCRR
POT
RST
System and Reset Characteristics
1. Values are guidelines only.
2. Before rising, the supply has to be between VPORMIN and VPORMAX to ensure a Reset.
1. V
2. Not Tested in production
Atmel ATmega48PA/88PA/168PA [Preliminary]
tested down to V
to a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 110, 101 and 100.
BODLEVEL 2:0 Fuses
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
RESET Pin Threshold Voltage
BOT
Power on Reset specifications
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
000
001
CC
= V
BOT
during the production test. This guarantees that a Brown-Out Reset will occur before V
(1)
(1)
(2)
Min. V
1.6
2.5
3.9
BOT
Typ V
2.3
2.2
2.0
1.9
1.8
2.7
4.3
(2)
(2)
(2)
(2)
BOD Disabled
BOT
0.2Vcc
Min.
–0.1
0.01
0.6
Max V
Typ
1.4
1.3
2.0
2.9
4.6
BOT
0.9Vcc
Max
1.6
0.4
9223B–AVR–09/11
Units
CC
V
Units
V/ms
drops
V
V
V
V
V
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