ATA5773-DK1 Atmel, ATA5773-DK1 Datasheet - Page 48

• Manufacturer Part Number: ATA5773-DK1
• Description: BOARD XMITTER FOR ATA5773 315MHZ
• Manufacturer: Atmel
• Type: Transmitterr

Specifications of ATA5773-DK1

• Frequency: 315MHz
• Maximum Frequency: 315 MHz
• Supply Voltage (max): 4 V
• Supply Voltage (min): 2 V
• Supply Current: 9 mA
• Product: RF Development Tools
• For Use With/related Products: ATA5773
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.11.1.4
48
Atmel ATA5771/73/74
Brown-out Detection
Figure 4-16. External Reset During Operation
The Atmel
V
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
When the BOD is enabled, and V
ure
trigger level (V
t
The BOD circuit will only detect a drop in V
ger than t
Figure 4-17. Brown-out Reset During Operation
TOUT
CC
BOT+
4-17), the Brown-out Reset is immediately activated. When V
level during operation by comparing it to a fixed trigger level. The trigger level for the BOD
has expired.
= V
BOD
BOT
CC
®
ATtiny44V has an On-chip Brown-out Detection (BOD) circuit for monitoring the
given in
+ V
INTERNAL
TIME-OUT
BOT+
RESET
RESET
HYST
V
in
CC
/2 and V
Figure
Section 8.3.4 “System and Reset Characterizations” on page
4-17), the delay counter starts the MCU after the Time-out period
BOT-
CC
= V
decreases to a value below the trigger level (V
V
BOT
BOT-
- V
CC
HYST
if the voltage stays below the trigger level for lon-
/2.
V
t
TOUT
BOT+
CC
increases above the
9137E–RKE–12/10
BOT-
190.
in
Fig-