ATA6626 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
ATA6626 Datasheet PDF : 31 Pages
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ATA6622/ATA6624/ATA6626
4. Modes of Operation
Figure 4-1. Modes of Operation
b
e
Unpowered Mode
VBatt = 0V
b
a
Fail-safe Mode
VCC: 3.3V/5V/50 mA
with undervoltage monitoring
Communication: OFF
Watchdog: ON
a: VS > 5V
b: VS < 4V
c: Bus wake-up event
d: Wake up from WAKE or KL_15 pin
e: NRES switches to low
b
b
c+d+e
EN = 1
Normal Mode
VCC: 3.3V/5V/50 mA
with undervoltage
monitoring
Communication: ON
Watchdog: ON
EN = 0
TXD = 1
EN = 1
EN = 0
TXD = 0
Go to silent command
Local wake-up event
Go to sleep command
EN = 1
c+d
Silent Mode
VCC: 3.3V/5V/50 mA
with undervoltage monitoring
Communication: OFF
Watchdog: OFF
Sleep Mode
VCC: switched off
Communication: OFF
Watchdog: OFF
Table 4-1.
Mode of
Operation
Fail-safe
Normal
Silent
Sleep
Table of Modes
Transceiver VCC
Off
3.3V/5V
On
3.3V/5V
Off
3.3V/5V
Off
0V
Watchdog WD_OSC INH
RXD
LIN
On
1.23V
On
High,
except after wake-up
Recessive
On
1.23V On
LIN depending
TXD
depending
Off
0V Off
High
Recessive
Off
0V Off
0V
Recessive
7
4986I–AUTO–07/10
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