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参数资料
| 型号： | EM78459 |
| 英文描述： | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 14-SOIC |
| 中文描述： | 8位微控制器的通用产品 |
| 文件页数： | 10/57页 |
| 文件大小： | 854K |
| 代理商： | EM78459 |
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EM78458/459
MASK ROM
This specification is subject to change without prior notice.
2002/03/01
18
Bit 1 : Bit 0 ( T1P1:T1P0 ): TMR1 clock prescale option bits.
T1P1
T1P0
Prescale
0
1:2(Default)
0
1
1:8
1
0
1:32
1
1:64
12. IOC61 ( DT1L: the Least Significant Byte ( Bit 7 ~ Bit 0) of Duty Cycle of
PWM1 )
A specified value keeps the output of PWM1 to stay at high until the value matches with TMR1.
13. IOC71 ( DT1H: the Most Significant Byte ( Bit 1 ~ Bit 0 ) of Duty Cycle of
PWM1 )
7
6
5
4
3
2
1
0
CALI1
SIGN1
VOF1[2]
VOF1[1]
VOF1[0]
-
PWM1[9]
PWM1[8]
Bit 7 (CALI1): Calibration enable bit
0 = Calibration disable;
1 = Calibration enable.
Bit 6 (SIGN1): Polarity bit of offset voltage
0 = Negative voltage;
1 = Positive voltage.
Bit 5:Bit 3 (VOF1[2]:VOF1[0]): Offset voltage bits.
Bit 1:Bit 0 (PWM1[9]:PWM1[8]): The Most Significant Byte of PWM1 Duty Cycle
A specified value keeps the PWM1 output to stay at high until the value matches with TMR1.
14. IOC81 ( PRD1: Period of PWM1 ):
The content of IOC81 is a period (time base) of PWM1. The frequency of PWM1 is the reverse of the
period.
15. IOC91 ( DT2L: the Least Significant Byte ( Bit 7 ~ Bit 0 ) of Duty Cycle of
PWM2 )
A specified value keeps the of PWM1 output to stay at high until the value matches with TMR2.
16. IOCA1 ( DT2H: the Most Significant Byte ( Bit 1 ~ Bit 0 ) of Duty Cycle of
PWM2 )
7
6
5
4
3
2
1
0
CALI2
SIGN2
VOF2[2]
VOF2[1]
VOF2[0]
-
PWM2[9]
PWM2[8]
Bit 7 (CALI2): Calibration enable bit
相关PDF资料 |
PDF描述 |
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| EM78450 | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: 0°C to 70°C; Package: 16-QFN |
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| EM78P451 | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Protection Features; Temperature Range: 0°C to 70°C; Package: 16-QFN |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EM78459AK | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-Bit Microcontroller with MASK ROM |
| EM78459AM | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-Bit Microcontroller with MASK ROM |
| EM78468 | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-BIT Microcontroller |
| EM78468AQ | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-BIT Microcontroller |
| EM78468BQ | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:8-BIT Microcontroller |
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