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參數(shù)資料
| 型號： | EM78M612ACM |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | Universal Serial Bus Microcontroller Series |
| 中文描述： | 通用串行總線控制器系列 |
| 文件頁數(shù)： | 11/38頁 |
| 文件大?。?/td> | 1264K |
| 代理商： | EM78M612ACM |
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EM78M612
Universal Serial Bus Microcontroller Series
This specification may change without further notice
.
2004/4/28 V1.1
11
R3 (Status Register)
Default Value
:
(0B_0001_1000)
7
6
5
4
3
2
1
0
SPRBS
-
PS0
T
P
Z
DC
C
R3 [0] Carry flag.
R3 [1] Auxiliary carry flag.
R3 [2] Zero flag. It will be set to 1 when the result of an arithmetic or logic operation is
zero.
R3 [3] Power down flag. It will be set to 1 during Power-on phase or by “WDTC” command
and cleared when the MCU enters into Power down mode. It remains in its previous
state after WatchDog Reset.
1: Power-on.
0: Power down
R3 [4] Time-out flag. It will be set to 1 during Power-on phase or by “WDTC” command. It
is reset to 0 by WDT time-out.
1: WatchDog timer without overflow.
0: WatchDog timer with overflow.
The various states of Power down flag and Time-out flag at different conditions are shown
below:
T
P
Condition
1
1
0
1
1
1
1
*P
0
0
Power-on reset
WDTC instruction
WDT time-out
Power down mode
Wakeup caused by port change during Power down mode
*P: Previous status before WDT reset
R3 [5] Page selection bit. This bit is used to select a page of program memory (refer to R2,
Program Counter).
PS0
Program Memory Page [Address]
0
Page 0 [0000-03FF]
1
Page 1 [0400-07FF]
R3 [6] General purpose registers.
R3 [7] Special purpose registers bank selector.
1: R8S ~ RFS; IOC8S ~ IOCFS
0: R5 ~ RF; IOC5 ~ IOCF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EM78M612ACP | Universal Serial Bus Microcontroller Series |
| EM78M612ADM | Universal Serial Bus Microcontroller Series |
| EM78M612ADP | Universal Serial Bus Microcontroller Series |
| EM78M612AEM | Universal Serial Bus Microcontroller Series |
| EM78M612AFM | Universal Serial Bus Microcontroller Series |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM78M612ACP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series |
| EM78M612ADM | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series |
| EM78M612ADP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series |
| EM78M612AEM | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series |
| EM78M612AFM | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series |
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