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參數資料
| 型號： | 908E624 |
| 廠商： | Motorola, Inc. |
| 英文描述： | TRIPLE HIGH-SIDE SWITCH WITH EMBEDDED MCU AND LIN |
| 中文描述： | 三重高邊開關與嵌入式微控制器和LIN |
| 文件頁數： | 24/32頁 |
| 文件大?。?/td> | 453K |
| 代理商： | 908E624 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
24
908E624
Functional Description
Functional Device Operation
Watchdog Configuration
If the WDCONF terminal is left open, the default watchdog
period is selected (typ. 150 ms). If no watchdog function is
required, the WDCONF terminal must be connected to GND.
The watchdog period is calculated using the following
formula:
P
WD
[ms] = 0.991
*
R
EXT
[k
] + 0.648
VOLTAGE REGULATOR
The 908E624 chip contains a low-power, low dropout
voltage regulator to provide internal power and external
power for the MCU. The on-chip regulator consist of two
elements, the main voltage regulator and the low-voltage
reset circuit.
The V
DD
regulator accepts an unregulated input supply
and provides a regulated V
DD
supply to all digital sections of
the device. The output of the regulator is also connected to
the VDD terminal to provide the 5.0 V to the microcontroller.
Current Limit (Overcurrent) Protection
The voltage regulator has current limit to protect the device
against overcurrent and short circuit conditions.
Overtemperature Protection
The voltage regulator also features an overtemperature
protection having an overtemperature warning (Interrupt -
VDDT) and an overtemperature shutdown.
Stop Mode
During Stop mode the Stop mode regulator supplies a
regulated output voltage. The Stop mode regulator has a
limited output current capability.
Sleep Mode
In Sleep mode the voltage regulator external V
DD
is turned
off.
FACTORY TRIMMING AND CALIBRATION
To enhance the ease-of-use of the 908E624, various
parameters (e.g., ICG trim value) are stored in the flash
memory of the device. The following flash memory locations
are reserved for this purpose and might have a value different
from the “empty” (0xFF) state:
0xFD80:0xFDDF Trim and Calibration Values
0xFFFE:0xFFFF Reset Vector
In the event the application uses these parameters, one
has to take care not to erase or override these values. If these
parameters are not used, these flash locations can be erased
and otherwise used.
OPERATING MODES OF THE MCU
For a detailed description of the operating modes of the
MCU, refer to the MC68HC908EY16 datasheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 908E624_10 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Triple High Side Switch with Embedded MCU and LIN Serial Communicationfor Relay Drivers |
| 908E624_12 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Triple High Side Switch Embedded MCU and Lin Serial Communication for Relay Drivers |
| 908E625 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
| 908E625_07 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
| 908E625_10 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
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