ATTINY44-15MZ Atmel, ATTINY44-15MZ Datasheet - Page 164

• Manufacturer Part Number: ATTINY44-15MZ
• Description: MCU AVR 4K FLASH 15MHZ 20-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

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

21.2
164
Fuse Bytes
Atmel ATtiny24/44/84 [Preliminary]
The Atmel
page 165
fuse bytes. Note that the fuses are read as logical zero ("0") if they are programmed.
Table 21-3.
Table 21-4.
Notes:
SELFPRGEN
RSTDISBL
DWEN
SPIEN
WDTON
EESAVE
BODLEVEL2
BODLEVEL1
BODLEVEL0
Fuse High Byte
Fuse High Byte
(3)
(2)
1. See
2. DWEN must be unprogrammed when Lock Bit security is required. See
3. The SPIEN Fuse is not accessible in SPI Programming mode.
4. See
5. See
(4)
describe briefly the functionality of all the fuses and how they are mapped into the
®
(1)
Fuses. When programming the RSTDISBL Fuse, High-voltage Serial programming has to
be used to change fuses to perform further programming
Memory Lock Bits” on page
details.
ATtiny24/44/84 has three fuse bytes.
(5)
(5)
(5)
Fuse Extended Byte
Fuse High Byte
“Alternate Functions of Port B” on page 68
“WDT Configuration as a Function of the Fuse Settings of WDTON” on page 45
Table 22-5 on page 181
Bit No
7
6
5
4
3
2
1
0
Bit No
7
6
6
4
3
2
1
0
Description
-
-
-
-
-
-
-
Self programming enable
Description
External Reset disable
DebugWIRE Enable
Enable Serial Program and Data
Downloading
Watchdog Timer always on
EEPROM memory is preserved
through the Chip Erase
Brown-out Detector trigger level
Brown-out Detector trigger level
Brown-out Detector trigger level
163.
for BODLEVEL Fuse decoding.
Table 21-4 on page 164
for description of RSTDISBL and DWEN
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
Default Value
1 (unprogrammed)
1 (unprogrammed)
0 (programmed, SPI
prog. enabled)
1 (unprogrammed)
1 (unprogrammed,
EEPROM not
preserved)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
“Program And Data
to
Table 21-5 on
7701E–AVR–02/11
for