ATA6622 ATMEL Corporation, ATA6622 Datasheet - Page 11

• Manufacturer Part Number: ATA6622
• Description: LIN Bus Transceiver with 3.3V (5V) Regulator and Watchdog
• Manufacturer: ATMEL Corporation

4986B–AUTO–07/07
DRAFT
Figure 4-5.
Table 4-1.
Operation
Watchdog
Mode of
Fail-safe
regulator
Normal
voltage
LIN bus
Silent
Sleep
VCC
TXD
NRES
RXD
EN
Transceiver
LIN Wake Up from Sleep Mode
Table of Modes
ATA6622/ATA6624/ATA6626 [Preliminary]
Off
On
Off
Off
Bus wake-up filtering time
Low or floating
Watchdog off
Floating
t
bus
3.3V/5V
3.3V/5V
3.3V/5V
Off state
VCC
0V
Watchdog
On
On
Off
Off
Reset
WD_OSC
time
Regulator wake-up time
Start watchdog lead time t
1.23V
1.23V
0V
0V
Fail-safe Mode
start-up time delay
Low
On state
Microcontroller
INH
On
On
Off
Off
d
RXD
High
High
High
0V
EN High
Normal Mode
deppending
Recessive
Recessive
Recessive
TXD
LIN
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