ATA6623 ATMEL Corporation, ATA6623 Datasheet - Page 5

• Manufacturer Part Number: ATA6623
• Description: LIN Bus Transceiver with 3.3V Voltage Regulator
• Manufacturer: ATMEL Corporation

4. Mode of Operation
Figure 4-1.
4957D–AUTO–07/07
Mode of Operation
Communication: ON
VCC: 3.3V/5V/50 mA
with undervoltage
Normal Mode
monitoring
b
d
EN = 1
TXD = 1
TXD = 0
EN = 0
EN = 1
EN = 0
with undervoltage monitoring
Communication: OFF
VCC: 3.3V/5V/50 mA
Go to silent command
Go to sleep command
Local wake-up event
Unpowered Mode
Pre-normal Mode
b
V
Batt
= 0V
ATA6623/ATA6625 [Preliminary]
a
EN = 1
c
Communication: OFF
VCC: switched off
b
Sleep Mode
c + d
with undervoltage monitoring
a: V
b: V
c: Bus wake-up event
d: NRES switches to low
Communication: OFF
VCC: 3.3V/5V/50 mA
b
S
S
Silent Mode
> 5V
< 4V
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