ATMEGA168V-10AU Atmel, ATMEGA168V-10AU Datasheet - Page 47

• Manufacturer Part Number: ATMEGA168V-10AU
• Description: IC AVR MCU 16K 10MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168V-10AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Processor Series: ATMEGA16x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: 2-Wire, SPI, USART, Serial
• Maximum Clock Frequency: 10 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 3 bit
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Package: 32TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 10 MHz
• Cpu Family: ATmega
• Device Core Size: 8b
• Frequency (max): 10MHz
• Total Internal Ram Size: 1KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 1.8V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Package Type: TQFP
• For Use With: ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11.4
11.5
2545T–AVR–05/11
External reset
Brown-out detection
Figure 11-3. MCU start-up, RESET extended externally.
An external reset is generated by a low level on the RESET pin. Reset pulses longer than the
minimum pulse width (see
even if the clock is not running. Shorter pulses are not guaranteed to generate a reset. When the
applied signal reaches the reset threshold voltage – V
ter starts the MCU after the time-out period – t
disabled by the RSTDISBL fuse, see
Figure 11-4. External reset during operation.
The Atmel ATmega48/88/168 has an on-chip brown-out detection (BOD) circuit for monitoring
the V
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
decreases to a value below the trigger level (V
reset is immediately activated. When V
on page
The BOD circuit will only detect a drop in V
ger than t
BOT+
INTERNAL
TIME-OUT
CC
= V
RESET
RESET
level during operation by comparing it to a fixed trigger level. The trigger level for the
48), the delay counter starts the MCU after the Time-out period t
BOD
V
BOT
CC
CC
given in
+ V
HYST
“System and reset characteristics” on page
/2 and V
“System and reset characteristics” on page
V
POT
BOT-
Table 28-6 on page
= V
CC
BOT
increases above the trigger level (V
CC
- V
if the voltage stays below the trigger level for lon-
V
BOT-
RST
TOUT
HYST
t
TOUT
in
– has expired. The external reset can be
RST
/2.When the BOD is enabled, and V
Figure 11-5 on page
287.
– on its positive edge, the delay coun-
ATmega48/88/168
307.
307) will generate a reset,
TOUT
48), the brown-out
BOT+
has expired.
in
Figure 11-5
47
CC