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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： | 38/57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
43
Address
Name
Reset Type
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Wake-up from Pin Changed
P
Bit Name
P57
P56
P55
P54
P53
P52
P51
P50
Power-on
1
/RESET and WDT
1
0x05
P5
Wake-up from Pin Changed
P
Bit Name
P67
P66
P65
P64
P63
P62
P61
P60
Power-on
1
/RESET and WDT
1
0x06
P6
Wake-up from Pin Changed
P
Bit Name
-
Power-on
U
/RESET and WDT
P
0x7~0x8
R7~R8
Wake-up from Pin Changed
P
Bit Name
X
IOCS
ADRUN
ADPD
ADAS2
ADAS1
ADAS0
Power-on
0
/RESET and WDT
0
0x9
R9
(ADCON)
Wake-up from Pin Changed
P
Bit Name
-
Power-on
0
/RESET and WDT
0
0xA
RA
(ADDDATA)
Wake-up from Pin Changed
P
Bit Name
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Power-on
0
/RESET and WDT
0
0xB
RB
(TMR1L)
Wake-up from Pin Changed
P
Bit Name
X
Bit1
Bit0
Power-on
0
/RESET and WDT
0
0xC
RC
(TMR1H)
Wake-up from Pin Changed
0
P
Bit Nam e
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Power-on
0
/RESET and WDT
0
0xD
RD
(TMR2L)
Wake-up from Pin Changed
P
Bit Name
X
Bit1
Bit0
Power-on
0
/RESET and WDT
0
0xE
RE
(TMR2H)
Wake-up from Pin Changed
0
P
Bit Name
X
CMPIF
PWM2IF
PWM1IF
ADIF
EXIF
ICIF
TCIF
Power-on
0
/RESET and WDT
0
0xF
RF
(ISR)
Wake-up from Pin Changed
0
P
Bit Name
-
Power-on
U
/RESET and WDT
P
0x10~0x3F
R10~R3F
Wake-up from Pin Changed
P
X: not used. U: unknown or don’t care.
P: previous value before reset.
t: check Table 5
4.12 Oscillator
1. Oscillator Modes
The EM78458 and EM78459 can be operated in four different oscillator modes, such as High XTAL
oscillator mode (HXT), Low XTAL oscillator mode (LXT), External RC oscillator mode (ERC), and RC
oscillator mode with Internal capacitor (IC). Users can select one of them by programming the MASK
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