ATTINY44-15MZ Atmel, ATTINY44-15MZ Datasheet - Page 41
ATTINY44-15MZ
Manufacturer Part Number
ATTINY44-15MZ
Description
MCU AVR 4K FLASH 15MHZ 20-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY44-15MZ.pdf
(225 pages)
Specifications of ATTINY44-15MZ
Package / Case
20-QFN Exposed Pad
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
12
Eeprom Size
256 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
256 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY44-15MZ
Manufacturer:
ATMEL
Quantity:
1 000
Part Number:
ATTINY44-15MZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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9.3
7701E–AVR–02/11
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
whenever V
Reset, as well as to detect a failure in supply voltage.
A 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
decreases below the detection level.
Figure 9-2.
INTERNAL
V
TIME-OUT
BODLEVEL [1..0]
CC
RESET
RESET
V
CC
CCRR
Reset Logic
MCU Start-up, RESET Tied to V
is below the detection level. The POR circuit can be used to trigger the Start-up
CC
“System and Reset Characterizations” on page
Pull-up Resistor
rise. The RESET signal is activated again, without any delay, when V
FILTER
SPIKE
V
V
V
RST
PORMA X
PORMIN
Atmel ATtiny24/44/84 [Preliminary]
t
TOUT
CKSEL[1:0]
Power-on Reset
Reset Circuit
SUT[1:0]
Brown-out
Watchdog
Oscillator
Generator
Circuit
Clock
CK
CC
Register (MCUSR)
MCU Status
DATA BUS
Delay Counters
181. The POR is activated
TIMEOUT
41
CC
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