參數(shù)資料
型號: ATA6620N-TAQY
廠商: Atmel
文件頁數(shù): 18/22頁
文件大?。?/td> 0K
描述: TXRX LIN BUS W/VREG SO-8
產品變化通告: ATA6620N-TAxY Obsolescence 03/Feb/2012
標準包裝: 4,000
類型: 收發(fā)器
規(guī)程: LIN
電源電壓: 5 V ~ 18 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SO
包裝: 帶卷 (TR)
5
4850I–AUTO–09/09
ATA6620N
4.
Mode of Operation
Figure 4-1.
Mode of Operation
4.1
Normal Mode
This is the normal transmitting and receiving mode of the LIN Interface, in accordance with LIN
specification 2.0. The V
CC voltage regulator operates with a 5V output voltage, with a low toler-
ance of ±2% and a maximum output current of 50 mA.
If an undervoltage condition occurs, NRES is switched to low and the ATA6620N changes state
to Pre-normal mode. All features are available.
Pre-normal Mode
VCC: 5V/2%/50 mA with undervoltage
monitoring
Communication: OFF
a
b
Silent Mode
VCC: 5V/7%/50 mA
with undervoltage monitoring
Communication: OFF
EN = 1
Go to silent command
EN = 0
TXD = 1
Local wake-up event
a: VS > 5V
b: VS < 4V
c: Bus wake-up event
d: NRES switches to low
b
EN = 1
b
c + d
Normal Mode
VCC: 5V/2%/50 mA
with undervoltage
monitoring
Communication: ON
Unpowered Mode
VBatt = 0
Sleep Mode
VCC: switched off
Communication: OFF
Go to sleep command
Local wake-up event
EN = 0
TXD = 0
EN = 1
b
c
d
Table 4-1.
Mode of Operation
Mode of
Operation
Communication
VCC
RXD
LIN
Pre-normal
OFF
5V
Recessive
Normal
ON
5V
Recessive
Silent
OFF
5V
Recessive
Sleep
OFF
0V
Recessive
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