ATMEGA162-16MC Atmel, ATMEGA162-16MC Datasheet - Page 46

• Manufacturer Part Number: ATMEGA162-16MC
• Description: IC MCU AVR 16K 5V 16MHZ 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA162-16MC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-VQFN Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

Power-on Reset
46
ATmega162(V/U/L)
Figure 21. Reset Logic
Table 18. Reset Characteristics
Note:
A Power-on Reset (POR) pulse is generated by an On-chip detection circuit. The detec-
tion level is defined in Table 18. The POR is activated whenever V
detection level. The POR circuit can be used to trigger the Start-up Reset, as well as to
detect a failure in supply voltage.
A Power-on Reset (POR) circuit ensures that the device is Reset from Power-on.
Reaching the Power-on Reset threshold voltage invokes the delay counter, which deter-
mines how long the device is kept in RESET after V
activated again, without any delay, when V
Symbol
BODLEVEL [ 2..0]
V
V
t
t
RST
BOD
POT
RST
RESET
V
CC
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)
Minimum pulse width on RESET Pin
Minimum low voltage period for
Brown-out detection.
RESET Pin Threshold Voltage
Pull-up Resistor
(1)
JTAG Reset
Register
FILTER
SPIKE
CKSEL[3:0]
Reset Circuit
Reset Circuit
Reset Circuit
SUT[1:0]
Brown-out
Watchdog
Watchdog
Generator
Power-on
Oscillator
Timer
Clock
CC
CK
decreases below the detection level.
MCU Control and Status
Register (MCUCSR)
Condition
DATA BUS
Delay Counters
CC
rise. The RESET signal is
Min.
0.2
Typ.
1.2
1.1
50
2
TIMEOUT
CC
Max.
2513C–AVR–09/02
0.85
is below the
Units
V
ns
µs
V
V
CC
POT