ATTINY261-15MZ Atmel, ATTINY261-15MZ Datasheet - Page 41
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ATTINY261-15MZ
Manufacturer Part Number
ATTINY261-15MZ
Description
MCU AVR 2K FLASH 15MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY261-15MZ
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
16
Eeprom Size
128 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
2KB (2K x 8)
Data Converters
A/D 11x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY261-15MZ
Manufacturer:
ATMEL
Quantity:
5 000
Part Number:
ATTINY261-15MZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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9.0.3
7753F–AVR–01/11
Power-on Reset
Figure 9-1.
A Power-on Reset (POR) pulse is generated by an On-chip detection circuit. The detection level
is defined in
V
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 determines how long the
device is kept in RESET after V
when V
Figure 9-2.
CC
INTERNAL
is below the detection level. The POR circuit can be used to trigger the Start-up Reset, as
TIME-OUT
V
CC
RESET
CC
RESET
decreases below the detection level.
V
CCRR
BODLEVEL [1..0]
“System and Reset Characteristics” on page
Reset Logic
MCU Start-up, RESET Tied to V
V
Pull-up Resistor
V
V
RST
PORMAX
PORMIN
FILTER
SPIKE
CC
t
TOUT
rise. The RESET signal is activated again, without any delay,
ATtiny261/ATtiny461/ATtiny861
CKSEL[1:0]
Power-on Reset
Reset Circuit
SUT[1:0]
Watchdog
Brown-out
Oscillator
Generator
Circuit
Clock
CK
CC
Register (MCUSR)
MCU Status
DATA BUS
Delay Counters
190. The POR is activated whenever
TIMEOUT
41
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