OPERATIONAL MODES Figure 15. Operational an" />
參數(shù)資料
型號： MCZ33661EFR2
廠商： Freescale Semiconductor
文件頁數(shù)： 7/22頁
文件大?。?/td> 0K
描述： IC LIN INTERFACE PHYSICAL 8-SOIC
標(biāo)準(zhǔn)包裝： 2,500
系列： *
應(yīng)用： *
接口： *
電源電壓： *
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOICN
包裝： 帶卷 (TR)
安裝類型： 表面貼裝
Analog Integrated Circuit Device Data
Freescale Semiconductor
15
33661
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Figure 15. Operational and Transitional Modes State Diagram
Table 5. Explanation of Operational and Transitional Modes State Diagram
Operational/
Transitional
LIN
INH
EN
TXD
RXD
Sleep Mode
Recessive state, driver off. 20
A
pull-up current source.
Low
X
High-impedance. High if external
pull-up to VDD.
Awake
Recessive state, driver off. 30 k
pull-up active.
High
Low
X
Low. If external pull-up, High-to-
Low transition reports wake-up.
Normal Mode
Driver active. 30 k
pull-up
active. Slew rate normal
(20 kbps).
High
High to enter Normal mode. Once
in Normal mode: Low to drive LIN
bus in dominant, High to drive
LIN bus in recessive.
Report LIN bus level:
Low LIN bus dominant
High LIN bus recessive
Wait Slow
Recessive state. Driver off. 30 k
pull-up active.
High
Low
High
Slow
Driver active. 30 k
pull-up
active. Slew rate slow (10 kbps).
High
Low to enter Slow mode. Once in
Slow mode: Low to drive LIN bus
in dominant, High to drive LIN
bus in recessive.
Report LIN bus level:
Low LIN bus dominant
High LIN bus recessive
Fast
Driver active. 30 k
pull-up
active. Slew rate fast
(>100 kbps).
High
Low to drive LIN bus in dominant,
High to drive LIN bus in
recessive.
Report LIN bus level:
Low LIN bus dominant
High LIN bus recessive
X = Don’t care.
Power-up
Sleep
Awake
Wait Slow
Normal
Fast
TXD High and EN Low > t1 (35 s)
TXD High and EN Low to
LIN Bus or WAKE Pin
TXD High and EN Low to High
TXD Low and EN Low to High
TXD Low and EN
TXD High and EN Low > t1 (35 s)
TXD High
EN Low for t2 < 5.0 s, then High
Wake-up
Low to High
Toggle Function
EN Low for t2 < 5.0 s,
Toggle Function
then High
EN Low for t2 < 5.0 s,
then High
EN Low for t2 < 5.0 s,
then High
Note Refer to Table 5 for explanation.
High
(10 x)
Fast
(10 x)
1.0 to 20
kbps
Slow
1.0 to 10
kbps
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MCZ33661EFR2 制造商:Freescale Semiconductor 功能描述:IC LIN INTERFACE 制造商:Freescale Semiconductor 功能描述:IC, LIN INTERFACE
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