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參數(shù)資料
| 型號： | EM78612 |
| 英文描述： | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 16-QFN |
| 中文描述： | USB控制器 |
| 文件頁數(shù)： | 10/29頁 |
| 文件大?。?/td> | 692K |
| 代理商： | EM78612 |
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EM78612
Universal Serial Bus Microcontroller Series
This specification may change without further notice.
18
3/5/2003 (V1.0)
IOCE [2]
Pattern Detecting Application Enable Bit. This bit enables the Pattern
Detecting function which is used in the Serial Signal Transmission. When this
feature is enabled, P60 becomes a serial input pin allowing one pattern
detecting block, a counter, and two comparators to function.
1: enable
0: Disable
IOCE [3]
Undefined register. The default value is zero.
IOCE [4]
Run bit. This bit can be cleared by the firmware and set during power-on, or
by the hardware at the falling edge of wake-up signal. When this bit is cleared,
the clock system is disabled and the MCU enters into power down mode. At
the transition of wake-up signal from high to low, this bit is set to enable the
clock system.
1: Run mode. The EM78612 is working normally.
0: Sleep mode. The EM78612 is in power down mode.
IOCE [5]
WatchDog Timer enable bit. The bit disable/enables the WatchDog Timer.
1: Enable WDT.
0: Disable WDT.
[NOTE] If the Code Option WTC bit is "0,” WDT is always disabled.
IOCE [6]
Enable the wake-up function as triggered by port-change. This bit is set by
UDC.
1: Disable the wake-up function.
0: Enable the wake-up function.
IOCE [7]
Dual clock Control bit. This bit is used to select the frequency of system clock.
When this bit is cleared, the MCU will run on very low frequency save power
and the UDC will stop working.
1: Selects EM78612 to run on normal frequency.
0: Selects to run on slow frequency.
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