ATMEGA168-15AZ Atmel, ATMEGA168-15AZ Datasheet - Page 280

• Manufacturer Part Number: ATMEGA168-15AZ
• Description: MCU AVR 16K FLASH 15MHZ 32-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168-15AZ

• Package / Case: 32-TQFP, 32-VQFP
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 23
• Eeprom Size: 512 x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Program Memory Size: 16KB (16K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 16MHz
• Interface Type: 2-Wire/USART/Serial
• Total Internal Ram Size: 1KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• 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: 32
• Package Type: TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25.2
280
Fuse Bits
ATmega48/88/168 Automotive
The ATmega48/88/168 has three Fuse bytes.
tionality of all the fuses and how they are mapped into the Fuse bytes. Note that the fuses are
read as logical zero, “0”, if they are programmed.
Table 25-4.
Table 25-5.
Note:
Extended Fuse Byte
–
–
–
–
–
–
–
SELFPRGEN
Extended Fuse Byte
–
–
–
–
–
BOOTSZ1
BOOTSZ0
BOOTRST
1. The default value of BOOTSZ1..0 results in maximum Boot Size. See
for details.
Extended Fuse Byte for mega48
Extended Fuse Byte for mega88/168
Bit No
Bit No
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Description
–
–
–
–
–
–
–
Self Programming Enable
Description
–
–
–
–
–
Select Boot Size
(see Table 113 for details)
Select Boot Size
(see Table 113 for details)
Select Reset Vector
Table 25-4
-
Table 25-7
Default Value
1
1
1
1
1
1
1
1 (unprogrammed)
Default Value
1
1
1
1
1
0 (programmed)
0 (programmed)
1 (unprogrammed)
describe briefly the func-
Table 25-8 on page 283
(1)
(1)
7530I–AVR–02/10