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參數(shù)資料
| 型號： | EM78450 |
| 英文描述： | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: 0°C to 70°C; Package: 16-QFN |
| 中文描述： | 8位微控制器的通用產(chǎn)品 |
| 文件頁數(shù)： | 8/57頁 |
| 文件大?。?/td> | 854K |
| 代理商： | EM78450 |
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EM78458/459
MASK ROM
This specification is subject to change without prior notice.
2002/03/01
16
9. IOCE0 (WDT Control Register)
7
6
5
4
3
2
1
0
WDTE
EIS
-
Bit 7 (WDTE) Control bit is used to enable Watchdog Timer.
0: Disable WDT;
1: Enable WDT.
WDTE is both readable and writable
Bit 6 (EIS) Control bit is used to define the function of the P50 (/INT) pin.
0: P50, input pin only;
1: /INT, external interrupt pin. In this case, the I/O control bit of P50 (bit 0 of IOC50) must be set to
"1".
When EIS is "0", the path of /INT is masked. When EIS is "1", the status of /INT pin can also be read
by way of reading Port 5 (R5). Refer to Fig. 7.
EIS is both readable and writable.
Bits 0~5 Not used.
10. IOCF0 (Interrupt Mask Register)
7
6
5
4
3
2
1
0
-
CMPIE
PWM2IE
PWM1IE
ADIE
EXIE
ICIE
TCIE
Bit 0 (TCIE) TCIF interrupt enable bit.
0: disable TCIF interrupt
1: enable TCIF interrupt
Bit 1 (ICIE) ICIF interrupt enable bit.
0: disable ICIF interrupt
1: enable ICIF interrupt
Bit 2 (EXIE) EXIF interrupt enable bit.
0: disable EXIF interrupt
1: enable EXIF interrupt
Bit 3 (ADIE) ADIF interrupt enable bit.
0: disable ADIF interrupt
1: enable ADIF interrupt
Bit 4 (PWM1IE) PWM1IF interrupt enable bit.
0: disable PWM1 interrupt
1: enable PWM1 interrupt
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