ATMEGA168-15AZ Atmel, ATMEGA168-15AZ Datasheet - Page 227

• 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

7530I–AVR–02/10
Table 19-5.
0x90
0x98
0xA0
Previously
with
general call; data has
been received; ACK has
been returned
Previously
with
general call; data has
been
received; NOT ACK has
been
returned
A STOP condition or re-
peated START condition
has been
received while still ad-
dressed as Slave
Status Codes for Slave Receiver Mode
addressed
addressed
Read
byte or
Read
byte
Read
byte or
Read
byte or
Read
byte or
Read
byte
No action
ATmega48/88/168 Automotive
data
data
data
data
data
data
X
X
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
1
0
1
0
1
0
1
0
1
Data byte will be received and NOT ACK
will be
returned
Data byte will be received and ACK will
be returned
Switched to the not addressed Slave
mode;
no recognition of own SLA or GCA
Switched to the not addressed Slave
mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
Switched to the not addressed Slave
mode;
no recognition of own SLA or GCA;
a START condition will be transmitted
when the bus
becomes free
Switched to the not addressed Slave
mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted
when the bus
becomes free
Switched to the not addressed Slave
mode;
no recognition of own SLA or GCA
Switched to the not addressed Slave
mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
Switched to the not addressed Slave
mode;
no recognition of own SLA or GCA;
a START condition will be transmitted
when the bus
becomes free
Switched to the not addressed Slave
mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted
when the bus
becomes free
227