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參數(shù)資料
| 型號： | ATA6620-TASY |
| 廠商： | Atmel |
| 文件頁數(shù)： | 2/22頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX LIN BUS 5V/50MA 8SOIC |
| 標準包裝： | 112 |
| 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(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 管件 |
10
4850I–AUTO–09/09
ATA6620N
Figure 4-6.
Wake Up from Silent Mode at an Insufficient Falling Edge at Pin LIN
When designing the complete system it has to be considered, that in this case (only in pre-nor-
mal mode) the pin TXD of the ATA6620N works as an output.
4.3
Pre-normal Mode
At system power-up the device automatically switches to Pre-normal mode. The voltage regula-
tor is switched on (V
The NRES output switches to low for t
res = 10 ms and sends a reset to the microcontroller. LIN
communication is switched off, and the undervoltage detection is active.
A power-down of V
Batt (VS < 4.15V) during Silent or Sleep mode switches into Pre-normal mode
after powering up the IC. During this mode the TXD pin is an output.
LIN Bus
Wake-up filtering
time t
WAKE
Regulator Wake-up Time
VCC
EN
Node ln silent mode
EN High
High
RXD
Low
If undervoltage switch to pre-normal mode
NRES
Silent mode
Pre-normal mode
Normal Mode
Normal mode
Undervoltage detection active
Pre-normal Mode
VLIN < VS - 1V and
VLIN > 0.6 VS
High
TXD
Low
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