- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄383254 > L9669 (意法半導(dǎo)體) FAULT TOLERANT CAN TRANSCEIVER PDF資料下載
參數(shù)資料
| 型號(hào)： | L9669 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | CAN |
| 英文描述： | FAULT TOLERANT CAN TRANSCEIVER |
| 中文描述： | 容錯(cuò)CAN收發(fā)器 |
| 文件頁(yè)數(shù)： | 7/13頁(yè) |
| 文件大?。?/td> | 205K |
| 代理商： | L9669 |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)當(dāng)前第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)
7/13
L9669
1.
The L9669 is a monolithic integrated circuit which provides all main functions for an automotive body CAN sys-
tem. The device guarantees a clearly defined behavior in case of failure to avoid permanent CAN bus errors. It
is primarily intended for low speed applications in passenger cars.
FUNCTIONAL DESCRIPTION
1.1 Transceiver
– Supports double wire unshielded busses
– Baud rates up to 125 kBaud
– Single wire operation possible (automatic switching to single wire upon bus failures)
– Bus not loaded in case of unpowered transceiver
The CAN transceiver stage is able to transfer serial data on two independent communication wires either differ-
entially (normal operation) or in case of a single wire fault on the remaining line. The physical bitcoding is done
using dominant (transmitter active) and overwritable recessive states. Too long dominant phases are detected
internally and further transmission is automatically disabled (malfunction of protocol unit does not affect com-
munication on the bus (“fail safe mechanism”)).
1.2 Modes of Operation
Five different functional modes exist to enable or establish the usage of low power or receive only operation.
Note:
The following state diagram shows these modes and the possible state interactions depending on the input sig-
nals NSTB and EN.
Wake-up interrupts are released when entering RXonly or normal mode.
NSTB
EN
Mode
INH
NERR
RXD
RTL
0
0
standby
VS
active LOW wake-up interrupt signal
(if VCC is present)
switched to VS
(typ. 13k
)
0
0
sleep
floating
0
1
“go to sleep”
1
1
normal
VS
active LOW
error flag
HIGH=recessive
LOW=dominant
received data
switched to VCC
1
0
RXonly
Power on
active LOW
VS power-on
flag if VCC is
present
active LOW
wake-up interrupt
signal if VCC is
present
switched to VS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L9686 | AUTOMOTIVE DIRECTION INDICATOR |
| L9686D | AUTOMOTIVE DIRECTION INDICATOR |
| L9703 | OCTAL GROUND CONTACT MONITORING CIRCUIT |
| L9703D | CAP CER 1000PF 2KVDC B RAD |
| L9704 | OCTAL SUPPLY CONTACT MONITORING CIRCUIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L9669013TR | 功能描述:IC TXRX CAN FAULT TOL 14SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| L966CG-1 | 制造商:Thomas & Betts 功能描述:2 TYPE LB CONDUIT BDY W/CVR & GASK |
| L9671 | 制造商:Leviton Manufacturing Co 功能描述: |
| L9673 | 制造商:Leviton Manufacturing Co 功能描述: |
| L967CG-1 | 制造商:Thomas & Betts 功能描述:2 1/2" RIGID LB COND BODY W/C&G 制造商:Thomas & Betts 功能描述:Fittings 2.5inch |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。