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L9638 데이터시트(PDF) 10 Page - STMicroelectronics

부품명 L9638
상세설명  LIN BUS TRANSCEIVER
PDF  14 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9638 데이터시트(HTML) 10 Page - STMicroelectronics

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L9638
10/14
Figure 6. State Diagram
0
0
float
0
1
Vs
NORMAL
EN
WUP
WUP
EN
LIN
Power -up
1
1
float
1
1
Vs
TX
mode
RX
mode
1
0
float
0
1
Vs
1
1
float
1
1
Vs
HiZ HiZ
X
0
0
0
SHORT CIRCUIT
TxD RxD WUP LIN
EN
INH
HiZ HiZ
X
1
0
0
SLEEP
float
0
float
0
0
Vs
STANDBY
(with LIN=1)
if t
(EN=0 after 1
->0)>tgts
and no wake up event
EN
EN
TxD RxD WUP LIN
EN
INH
TxD RxD WUP LIN
EN
INH
TxD RxD WUP LIN
EN
INH
float
1
float
1
0
Vs
X
don’t care, input signal is stable high or low
HiZ
internal pull up is switched off;
TxD input signal may be high or low or transitioning
RxD output signal is high impedance.
float
input signal may be high or low or transitioning
if t
(EN=1 after 0
->1)>tENgs
(with LIN=0)
if t
(EN=0 after 1
->0)>tgts
if t
(LIN=0 after 1
->0)>tLINgs
t
delay=t WUPgs
if (LIN=1)
0
0
float
0
1
Vs
NORMAL
EN
WUP
WUP
EN
LIN
Power -up
1
1
float
1
1
Vs
TX
mode
RX
mode
1
0
float
0
1
Vs
1
1
float
1
1
Vs
HiZ HiZ
X
0
0
0
SHORT CIRCUIT
TxD RxD WUP LIN
EN
INH
HiZ HiZ
X
1
0
0
SLEEP
float
0
float
0
0
Vs
STANDBY
(with LIN=1)
if t
(EN=0 after 1
->0)>tgts
and no wake up event
EN
EN
TxD RxD WUP LIN
EN
INH
TxD RxD WUP LIN
EN
INH
TxD RxD WUP LIN
EN
INH
float
1
float
1
0
Vs
X
don’t care, input signal is stable high or low
HiZ
internal pull up is switched off;
TxD input signal may be high or low or transitioning
RxD output signal is high impedance.
float
input signal may be high or low or transitioning
if t
(EN=1 after 0
->1)>tENgs
(with LIN=0)
if t
(EN=0 after 1
->0)>tgts
if t
(LIN=0 after 1
->0)>tLINgs
t
delay=t WUPgs
if (LIN=1)



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