參數(shù)資料
型號(hào): KSZ8873MLLJ
廠商: Micrel Inc
文件頁(yè)數(shù): 7/108頁(yè)
文件大?。?/td> 0K
描述: IC ETHERNET SWITCH 3PORT 64LQFP
特色產(chǎn)品: KSZ8873MLLJ Ethernet Switches
標(biāo)準(zhǔn)包裝: 160
系列: *
其它名稱: 576-3996
PIC18F2420/2520/4420/4520
DS39631E-page 102
2008 Microchip Technology Inc.
9.5
RCON Register
The RCON register contains flag bits which are used to
determine the cause of the last Reset or wake-up from
Idle or Sleep modes. RCON also contains the IPEN bit
which enables interrupt priorities.
The operation of the SBOREN bit and the Reset flag
bits is discussed in more detail in Section 4.1 “RCON
.
REGISTER 9-10:
RCON: RESET CONTROL REGISTER
R/W-0
R/W-1(1)
U-0
R/W-1
R-1
R/W-0(1)
R/W-0
IPEN
SBOREN
—RI
TO
PD
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
IPEN:
Interrupt Priority Enable bit
1
= Enable priority levels on interrupts
0
= Disable priority levels on interrupts (PIC16CXXX Compatibility mode)
bit 6
SBOREN:
Software BOR Enable bit(1)
For details of bit operation, see Register 4-1.
bit 5
Unimplemented:
Read as ‘0’
bit 4
RI: RESET
Instruction Flag bit
For details of bit operation, see Register 4-1.
bit 3
TO:
Watchdog Timer Time-out Flag bit
For details of bit operation, see Register 4-1.
bit 2
PD:
Power-Down Detection Flag bit
For details of bit operation, see Register 4-1.
bit 1
POR:
Power-on Reset Status bit(1)
For details of bit operation, see Register 4-1.
bit 0
BOR:
Brown-out Reset Status bit
For details of bit operation, see Register 4-1.
Note 1:
Actual Reset values are determined by device configuration and the nature of the device Reset. See
Register 4-1 for additional information.
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