ATTINY24-15MZ Atmel, ATTINY24-15MZ Datasheet - Page 163

• Manufacturer Part Number: ATTINY24-15MZ
• Description: MCU AVR 2K FLASH 15MHZ 20-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY24-15MZ

• 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: 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 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: USI
• Core Size: 8-Bit
• Cpu Family: ATtiny
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 16MHz
• Interface Type: SPI/UART
• Total Internal Ram Size: 128Byte
• # I/os (max): 12
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: QFN EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21.2
7701D–AVR–09/10
Fuse Bytes
The Atmel
page 164
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 67
“WDT Configuration as a Function of the Fuse Settings of WDTON” on page 44
Table 22-5 on page 180
Bit No
7
6
5
4
3
2
1
0
Bit No
7
6
6
4
3
2
1
0
Atmel ATtiny24/44/84 [Preliminary]
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
162.
for BODLEVEL Fuse decoding.
Table 21-4 on page 163
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
for
163