ATA6625 데이터 시트보기 (PDF) - Atmel Corporation
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ATA6625 Datasheet PDF : 24 Pages
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ATA6623/ATA6625
4. Mode of Operation
Figure 4-1. Mode of Operation
Unpowered Mode
VBatt = 0V
b
a
a: VS > 5V
b: VS < 4V
c: Bus wake-up event
d: NRES switches to low
b
d
Fail-safe Mode
VCC: 3.3V/5V/50 mA
with undervoltage monitoring
Communication: OFF
b
c+d
EN = 1
Normal Mode
VCC: 3.3V/5V/50 mA
with undervoltage
monitoring
Communication: 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
b
Silent Mode
VCC: 3.3V/5V/50 mA
with undervoltage monitoring
Communication: OFF
Sleep Mode
VCC: switched off
Communication: OFF
Table 4-1. Mode of Operation
Mode of
Operation
Transceiver
Fail safe
OFF
Normal
Silent
Sleep
ON
OFF
OFF
VCC
3.3V/5V
3.3V/5V
3.3V/5V
0V
RXD
High,
Except after wake-up
LIN depending
High
0V
LIN
Recessive
TXD depending
Recessive
Recessive
5
4957H–AUTO–05/10
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