ATTINY44-15SSZ Atmel, ATTINY44-15SSZ Datasheet - Page 43
![IC MCU AVR 4K FLASH 15MHZ 14SOIC](/photos/7/39/73946/313-14-soic_sml.jpg)
ATTINY44-15SSZ
Manufacturer Part Number
ATTINY44-15SSZ
Description
IC MCU AVR 4K FLASH 15MHZ 14SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY44-15SSZ.pdf
(225 pages)
Specifications of ATTINY44-15SSZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
14-SOIC (3.9mm Width), 14-SOL
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
Details
Other names
Q3447517
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY44-15SSZ
Manufacturer:
ATMEL
Quantity:
350
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9.5
9.6
7701E–AVR–02/11
Brown-out Detection
Watchdog Reset
Figure 9-4.
ATtiny24/44/84 has an On-chip Brown-out Detection (BOD) circuit for monitoring the V
during operation by comparing it to a fixed trigger level. The trigger level for the BOD can be
selected by the BODLEVEL Fuses. The trigger level has a hysteresis to ensure spike free
Brown-out Detection. The hysteresis on the detection level should be interpreted as
V
When the BOD is enabled, and V
ure 9-5 on page
above the trigger level (V
after the Time-out period t
The BOD circuit will only detect a drop in V
ger than t
Figure 9-5.
When the Watchdog times out, it will generate a short reset pulse of one CK cycle duration.
On the falling edge of this pulse, the delay timer starts counting the Time-out period t
“Watchdog Timer” on page 44
BOT+
= V
BOD
BOT
CC
given in
+ V
INTERNAL
TIME-OUT
External Reset During Operation
Brown-out Reset During Operation
RESET
RESET
HYST
43), the Brown-out Reset is immediately activated. When V
V
CC
/2 and V
“System and Reset Characterizations” on page
TOUT
BOT+
Atmel ATtiny24/44/84 [Preliminary]
BOT-
for details on operation of the Watchdog Timer.
has expired.
in
CC
Figure 9-5 on page
= V
decreases to a value below the trigger level (V
V
BOT
BOT-
- V
CC
HYST
if the voltage stays below the trigger level for lon-
/2.
43), the delay counter starts the MCU
V
t
TOUT
BOT+
181.
CC
BOT-
increases
TOUT
CC
in
. See
level
Fig-
43
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