參數(shù)資料
型號(hào): PIC16C622T-20I/SO
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 20 MHz, RISC MICROCONTROLLER, PDSO18
封裝: 0.300 INCH, PLASTIC, MS-013, SO-18
文件頁數(shù): 46/128頁
文件大?。?/td> 3677K
代理商: PIC16C622T-20I/SO
PIC16C62X
DS30235J-page 22
2003 Microchip Technology Inc.
4.2.2.6
PCON Register
The PCON register contains flag bits to differentiate
between a Power-on Reset, an external MCLR Reset,
WDT Reset or a Brown-out Reset.
REGISTER 4-6:
PCON REGISTER (ADDRESS 8Eh)
Note:
BOR is unknown on Power-on Reset. It
must then be set by the user and checked
on subsequent RESETS to see if BOR is
cleared,
indicating
a
brown-out
has
occurred. The BOR STATUS bit is a "don't
care" and is not necessarily predictable if
the brown-out circuit is disabled (by
programming
BODEN
bit
in
the
Configuration word).
U-0
R/W-0
—POR
BOR
bit 7
bit 0
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)
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
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