Rainbow Electronics ATA6625 - Manual (Page 7)

7
4957E–AUTO–10/07
ATA6623/ATA6625
Figure 4-2. Switch to Silent Mode
Figure 4-3. LIN Wake-up Waveform Diagram from Silent Mode
Delay time silent mode
t
d
_sleep = maximum 20 µs
Mode select window
LIN switches directly to recessive mode
t
d
= 3.2 µs
LIN
VCC
NRES
TXD
EN
Normal Mode Silent Mode
Undervoltage detection active
Silent mode 3.3V/5V/50 mA Fail-safe mode 3.3V/5V/50 mA Normal mode
Low
Fail-safe mode Normal mode
EN High
High
NRES
EN
VCC
RXD
LIN bus
Bus wake-up filtering time
t
bus