ATA6616-P3QW Atmel, ATA6616-P3QW Datasheet - Page 74

• Manufacturer Part Number: ATA6616-P3QW
• Description: TXRX MULTICHIP MOD LIN SIP 38QFN
• Manufacturer: Atmel
• Series: AVR® ATA66 LIN-SBCr

Specifications of ATA6616-P3QW

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, LIN, SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 38-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.7.1.5
74
Atmel ATA6616/ATA6617
Brown-out Detection
Figure 4-19. External Reset During Operation
Atmel
level during operation by comparing it to a fixed trigger level. The trigger level for the BOD can
be selected by the BODLEVEL Fuses
teresis to ensure spike free Brown-out Detection. The hysteresis on the detection level should
be interpreted as V
When the BOD is enabled, and Vcc decreases to a value below the trigger level (V
ure
trigger level (V
t
The BOD circuit will only detect a drop in Vcc if the voltage stays below the trigger level for lon-
ger than t
Figure 4-20. Brown-out Reset During Operation
TOUT
4-20), the Brown-out Reset is immediately activated. When Vcc increases above the
has expired.
®
ATtiny87/167 has an On-chip Brown-out Detection (BOD) circuit for monitoring the Vcc
CC
BOD
INTERNAL
TIME-OUT
given in
BOT
RESET
RESET
V
+
CC
BOT
in
Figure
Table 4-86 on page
+
= V
BOT
4-20), the delay counter starts the MCU after the Time-out period
+ V
HYST
V
BOT-
(Table 4-85 on page
/ 2 and V
271.
BOT
–
= V
BOT
271). The trigger level has a hys-
- V
V
t
TOUT
BOT+
HYST
/ 2.
9132D–AUTO–12/10
BOT
–
in
Fig-