參數(shù)資料
型號(hào)： EM78M612CBM
廠商： ELAN Microelctronics Corp .
英文描述： Universal Serial Bus Microcontroller Series
中文描述： 通用串行總線(xiàn)控制器系列
文件頁(yè)數(shù)： 11/38頁(yè)
文件大小： 1264K
代理商： EM78M612CBM
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
EM78M612CBP Universal Serial Bus Microcontroller Series
EM78M612CCM Universal Serial Bus Microcontroller Series
EM78M612CCP Universal Serial Bus Microcontroller Series
EM78M612CDM Universal Serial Bus Microcontroller Series
EM78M612CFM Universal Serial Bus Microcontroller Series
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM78M612CBP 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612CCM 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612CCP 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612CDM 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612CDP 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
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