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ATA6612C Datasheet(PDF) 11 Page - ATMEL Corporation

Part # ATA6612C
Description  8K/16K Flash Microcontroller with LIN Transceiver, 5V Regulator and Watchdog
PDF  312 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATA6612C Datasheet(HTML) 11 Page - ATMEL Corporation

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ATA6612C/ATA6613C [DATASHEET]
9111L–AUTO–11/14
3.3.19 Wake-up Events from Sleep or Silent Mode
●
LIN-bus
●
WAKE pin
●
EN pin
●
KL_15
3.3.20 Modes of Operation
Figure 3-2. Modes of Operation
3.3.20.1 Normal Mode
This is the normal transmitting and receiving mode at the LIN interface in accordance with the LIN specification LIN 2.x. The
voltage regulator is active and can source up to 85mA. The under voltage detection is activated. The watchdog needs a
trigger signal from NTRIG to avoid resets at NRES. If NRES is switched to low, the IC changes its state to fail-safe mode.
Table 3-1.
Table of Modes
Mode of Operation
Transceiver
VCC
Watchdog
WD_OSC
INH
RXD
LIN
Fail-safe
Off
5V
On
1.23V
On
High,
except after wake-up
Recessive
Normal
On
5V
On
1.23V
On
LIN depending
TXD
depending
Silent
Off
5V
Off
0V
Off
High
Recessive
Sleep
Off
0V
Off
0V
Off
0V
Recessive
Unpowered Mode
V
Batt = 0V
a: V
S > 5V
b: V
S < 4V
c: Bus wake-up event
d: Wake up from WAKE or KL_15 pin
Sleep Mode
VCC: switched off
Communication: OFF
Watchdog: OFF
Go to silent command
a
TXD = 0
EN = 0
TXD = 1
EN = 0
EN = 1
EN = 1
EN = 1
b
b
b
c + d + e
e
c + d
b
Local wake-up event
Go to sleep command
e: NRES switches to low
Silent Mode
VCC: 5V/85mA
With undervoltage monitoring
Communication: OFF
Watchdog: OFF
Normal Mode
VCC: 5V/85mA
With undervoltage
monitoring
Communication: ON
Watchdog: ON
Fail-safe Mode
VCC: 5V/85mA
With undervoltage monitoring
Communication: OFF
Watchdog: ON



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