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參數(shù)資料
| 型號： | MC33742 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 元件分類： | CAN |
| 英文描述： | System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver(帶增強型高速CAN收發(fā)器的系統(tǒng)基片) |
| 中文描述： | 系統(tǒng)基礎芯片的增強型（SBC）的高速CAN收發(fā)器（帶增強型高速的CAN收發(fā)器的系統(tǒng)基片） |
| 文件頁數(shù)： | 28/52頁 |
| 文件大?。?/td> | 1087K |
| 代理商： | MC33742 |
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33742
28
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
MCU Flash Programming Configuration
To allow for the possibility of downloading software into the
application memory (MCU EEPROM or Flash), the 33742 is
capable of allowing (1) V
DD
to be forced by an external power
supply to 5.0 V and (2) the
RST
and the
WDOG
outputs to be
forced by external signal sources to 0 V or 5.0 V, both without
damaging the device. This allows, for example, the complete
application board to be supplied by external power supply and
external signal to be applied to the reset terminals. No functions
of the 33742 are operating.
Figure 15
illustrates a typical
configuration for the connection of programming and debugging
tools.
The V
DD
regulator has an internal pass transistor between
V
SUP
and the V
DD
output terminal. Biasing the V
DD
output
terminal with a voltage greater than V
SUP
potential will force
current through the body diode of the internal pass transistor to
the V
SUP
terminal. Therefore, V
SUP
should be left open or
forced to a value equal to or above V
DD
.
The
RST
terminal is periodically pulled LOW for t
RSTDUR
time
(device in reset mode), before being pulled to V
DD
for 350 ms
typical (device in Normal Request mode). During the time reset
is LOW, the
RST
terminal sinks 5.0 mA maximum (I
PDW
).
Figure 15. Simplified Schematic for Microcontroller Flash Programming
33742
MCU with
Flash Memory
V
DD
RST
WDOG
V
SUP
(Open or > 5.0 V
Programming Bus
Note
External supply and sources applied to V
DD
,
RST
, and
WDOG
test points on application circuit board.
5.0 V
Programming Tool
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33742DW | 功能描述:網(wǎng)絡控制器與處理器 IC SBC-E-HS RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MC33742DWR2 | 功能描述:網(wǎng)絡控制器與處理器 IC SBC-E-HS RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MC33742EP | 功能描述:CAN 接口集成電路 SBC_ECAN_HS RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MC33742EPR2 | 功能描述:CAN 接口集成電路 SBC_ECAN_HS RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MC33742PEG | 功能描述:CAN 接口集成電路 SBC-E-HS-CAN RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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