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| 型號(hào)： | EM78P809N |
| 廠商： | ELAN Microelctronics Corp . |
| 元件分類(lèi)： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁(yè)數(shù)： | 16/75頁(yè) |
| 文件大?。?/td> | 531K |
| 代理商： | EM78P809N |
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EM78P809N
8-Bit Microcontroller
12
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
TC4D
Timer 4 Data Buffer ( Address: 0Ch )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TC4D7
TC4D6
TC4D5
TC4D4
TC4D3
TC4D2
TC4D1
TC4D0
Bit 7 ~ Bit 0 ( TC4D7 ~ TC4D0 ) :
Data buffer of 8-bit Timer/Counter 4.
ISFR0
Interrupt Status Flag Register 0 and INT3 Edge Detect Flag.
( Address : 0Dh )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
INT3F
INT3R
0
0
WDTIF
EXIF0
Bit 5 ( INT3F ) :
External interrupt 3 falling edge detect flag.
INT3F = “0” :
Falling edge is not detected
INT3F = “1” :
Falling edge is detected
Bit 4 ( INT3R ) :
External interrupt 3 rising edge detect flag.
INT3R = “0” :
Rising edge is not detected
INT3R = “1” :
Rising edge is detected
Bit 1 ( WDTIF ) :
WDT time-out flag, flag cleared by software.
Bit 0 ( EXIF0 ) :
External interrupt flag (INT0). Flag cleared by software. If the
INT0EN is reset to “0”, the flag is cleared.
ISFR1
Interrupt Status Flag Register 1 ( Address: 0Eh )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
EXIF5
TCIF2
ADIF
0
EXIF3
TCIF4
SPIF
TCIF3
Bit 7 ( EXIF5 ) :
External Interrupt Flag (/INT5), flag cleared by software.
Bit 6 ( TCIF2 ) :
16-bit Timer/Counter 2 Interrupt Flag, flag cleared by software.
Bit 5 ( ADIF ) :
AD conversion complete flag, flag cleared by software.
Bit 3 ( EXIF3 ) :
External Interrupt Flag (/INT3), flag cleared by software.
Bit 2 ( TCIF4 ) :
8-bit Timer/Counter 4 Interrupt Flag, flag cleared by software.
Bit 1 ( SPIF ) :
SPI Mode Interrupt Flag, flag cleared by software.
Bit 0 ( TCIF3 ) :
8-bit Timer/Counter 3 interrupt flag, flag cleared by software.
"1" means interrupt request, "0" means non-interrupt
ISFR1 can be cleared by instruction, but cannot be set by instruction
IMR1 is the interrupt mask register
Note that reading ISFR1 will obtain the result of the ISFR1 "logic AND" and
IMR1.
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