ata6663 ATMEL Corporation, ata6663 Datasheet - Page 7

• Manufacturer Part Number: ata6663
• Description: Lin Transceiver
• Manufacturer: ATMEL Corporation

9146D–AUTO–09/10
Figure 3-3.
If the Atmel
nant state (V
example), the IC switches back to sleep mode. The VS current consumption then consists of
I
(see
Figure 3-4.
VSsleep
Figure
plus I
Int. Pull-up
Int. Pull-up
operation
Resistor
operation
Resistor
LIN BUS
Mode of
Mode of
LIN BUS
RLIN
RLIN
®
3-4).
LINWAKE
I
I
LIN
VS
VS
ATA6663/ATA6664 is in sleep mode and the voltage level at the LIN is in domi-
Floating LIN Bus During Sleep Mode
Short Circuit to GND on the LIN Bus During Sleep Mode
< V
. After a positive edge at pin LIN the IC switches directly to fail-safe mode
BUSdom
Sleep Mode
V
V
I
Sleep Mode
V
V
VSsleep
I
LINL
BUSdom
VSsleep
LINL
BUSdom
) for a time period exceeding t
Wake-up Detection Phase
Wake-up Detection Phase
off (disabled)
off (disabled)
I
I
t
VSfail
t
mon
VSfail
mon
Atmel ATA6663/ATA6664
t
mon
+ I
Sleep Mode
mon
I
VSsleep
LINwake
+ I
(during a short circuit at LIN, for
I
VSsleep
LINwake
Sleep Mode
on (enabled)
Fail-Safe Mode
I
LIN dominant state
LIN dominant state
VSsleep
LIN Pre-wake
LIN Pre-wake
7