atmega163l ATMEL Corporation, atmega163l Datasheet - Page 24

• Manufacturer Part Number: atmega163l
• Description: Atmega163 8-bit Avr Microcontroller With 16k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

24
ATmega163(L)
Figure 24. Reset Logic
Table 4. Reset Characteristics (V
Notes:
Symbol
V
BODLEVEL
POT
V
V
BOT
RST
BODEN
RESET
VCC
1. The Power-on Reset will not work unless the supply voltage has been below V
(falling).
Parameter
Power-on Reset Threshold
Voltage (rising)
Power-on Reset Threshold
Voltage (falling)
Voltage
Brown-out Reset Threshold
Voltage
RESET Pin Threshold
100-500kW
FILTER
SPIKE
(1)
CKSEL[3:0]
Reset Circuit
Reset Circuit
RC Oscillator
Reset Circuit
Brown-out
Watchdog
Generator
Power-on
On-chip
Timer
Clock
CC
= 5.0V)
(BODLEVEL = 1)
(BODLEVEL = 0)
Condition
CK
Register (MCUSR)
MCU Status
DATA BUS
Delay Counters
Min
1.0
0.4
2.4
3.5
–
Typ
1.4
0.6
2.7
4.0
–
TIMEOUT
0.85 V
Max
1.8
0.8
3.2
4.5
1142E–AVR–02/03
CC
Units
V
V
V
V
POT