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參數(shù)資料
| 型號(hào)： | MCV18ET-I/SO |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO18 |
| 封裝： | 7.50 MM, LEAD FREE, SOIC-18 |
| 文件頁(yè)數(shù)： | 19/108頁(yè) |
| 文件大?。?/td> | 1509K |
| 代理商： | MCV18ET-I/SO |
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MCV18E
DS41399A-page 18
2009 Microchip Technology Inc.
2.2.2.6
PCON Register
The Power Control (PCON) register contains a flag bit
to allow differentiation between a Power-on Reset
(POR) to an external MCLR Reset or WDT Reset.
These devices contain an additional bit to differentiate
a Brown-out Reset condition from a Power-on Reset
condition.
Note:
If the BOREN Configuration bit is set, BOR
is ‘1’ on Power-on Reset and reset to ‘0’
when a Brown-out condition occurs. BOR
must then be set by the user and checked
on subsequent Resets to see if it is clear,
indicating that another Brown-out has
occurred.
If the BOREN Configuration bit is clear,
BOR is unknown on Power-on Reset.
REGISTER 2-6:
PCON: POWER CONTROL REGISTER
U-0
R/W-0
R/W-x
—
—POR
BOR
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-2
Unimplemented: Read as ‘0’
bit 1
POR: Power-on Reset Status bit
1
= No Power-on Reset occurred
0
= A Power-on Reset occurred (must be set in software after a Power-on Reset occurs)
bit 0
BOR: Brown-out Reset Status bit
1
= No Brown-out Reset occurred
0
= A Brown-out Reset occurred (must be set in software after a Brown-out Reset occurs)
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