ATA6613-EK Atmel, ATA6613-EK Datasheet - Page 14
ATA6613-EK
Manufacturer Part Number
ATA6613-EK
Description
BOARD DEMO LIN-MCM FOR ATA6613
Manufacturer
Atmel
Specifications of ATA6613-EK
Main Purpose
Interface, LIN + MCU
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
ATA6613
Primary Attributes
LIN-SBC (System-Basis-Chip) Transceiver, LIN 2.0, Voltage Regulator, Window Watchdog
Secondary Attributes
16 kB Flash, 4 Power Modes: Pre-Normal, Normal, Sleep, Silent, 48-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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3.3.20.5
Unpowered Mode
If you connect battery voltage to the application circuit, the voltage at the VS pin increases
according to the block capacitor (see
Figure 3-7 on page
17). After VS is higher than the VS
undervoltage threshold VS
, the IC mode changes from Unpowered Mode to Fail-safe Mode.
th
The VCC output voltage reaches its nominal value after t
. This time, t
, depends on the
VCC
VCC
VCC capacitor and the load.
The NRES is low for the reset time delay t
. During this time, t
, no mode change is
reset
reset
possible.
Figure 3-6.
LIN Wake-up from Sleep Mode
Bus wake-up filtering time
t
Fail-safe Mode
Normal Mode
bus
LIN bus
RXD
Low or floating
Low
TXD
On state
VCC
Off state
voltage
regulator
Regulator wake-up time
EN High
EN
Reset
time
NRES
Floating
Microcontroller
start-up time delay
Watchdog
Watchdog off
Start watchdog lead time t
d
Atmel ATA6612/ATA6613
14
9111H–AUTO–01/11
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