參數(shù)資料
型號： PIC12F519
廠商： Microchip Technology Inc.
英文描述： 8-Pin, 8-Bit Flash Microcontroller
中文描述： 8引腳，8位閃存微控制器
文件頁數(shù)： 18/88頁
文件大?。?/td> 802K
代理商： PIC12F519
PIC12F519
DS41319A-page 16
Preliminary
2007 Microchip Technology Inc.
4.3
STATUS register
This register contains the arithmetic status of the ALU,
the Reset status and the page preselect bit.
The STATUS register can be the destination for any
instruction, as with any other register. If the STATUS
register is the destination for an instruction that affects
the Z, DC or C bits, then the write to these three bits is
disabled. These bits are set or cleared according to the
device logic. Furthermore, the TO and PD bits are not
writable. Therefore, the result of an instruction with the
STATUS register as destination may be different than
intended.
For example,
CLRF STATUS
, will clear the upper three
bits and set the Z bit. This leaves the STATUS register
as ‘
000u u1uu
’ (where
u
= unchanged).
Therefore, it is recommended that only
BCF
,
BSF
and
MOVWF
instructions be used to alter the STATUS regis-
ter. These instructions do not affect the Z, DC or C bits
from the STATUS register. For other instructions which
do affect Status bits, see
Section 9.0 “Instruction Set
Summary”
.
REGISTER 4-1:
STATUS: STATUS REGISTER
R/W-0
RBWUF
bit 7
U-0
—
R/W-0
PA0
R-1
TO
R-1
PD
R/W-x
Z
R/W-x
DC
R/W-x
C
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
RBWUF
: Wake-up From Sleep on Pin Change bit
1
= Reset due to wake-up from Sleep on pin change
0
= After power-up or other Reset
Unimplemented:
Do not use
PA0
: Program Page Preselect bit
1
= Page 1 (000h-1FFh)
0
= Page 0 (200h-3FFh)
TO
: Time-out bit
1
= After power-up,
CLRWDT
instruction, or
SLEEP
instruction
0
= A WDT time-out occurred
PD
: Power-down bit
1
= After power-up or by the
CLRWDT
instruction
0
= By execution of the
SLEEP
instruction
Z
: Zero bit
1
= The result of an arithmetic or logic operation is zero
0
= The result of an arithmetic or logic operation is not zero
DC
: Digit carry/borrow bit (for
ADDWF
and
SUBWF
instructions)
ADDWF:
1
= A carry from the 4th low-order bit of the result occurred
0
= A carry from the 4th low-order bit of the result did not occur
SUBWF:
1
= A borrow from the 4th low-order bit of the result did not occur
0
= A borrow from the 4th low-order bit of the result occurred
C
: Carry/borrow bit (for
ADDWF
,
SUBWF
and
RRF
,
RLF
instructions)
ADDWF:
SUBWF:
1
= A carry occurred
1
= A borrow did not occur
0
= A carry did not occur
0
= A borrow occurred
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
RRF
or
RLF:
Load bit with LSb or MSb, respectively
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相關代理商/技術參數(shù)
參數(shù)描述
PIC12F519_08 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit Flash Microcontrollers
PIC12F519-E/MC 功能描述:8位微控制器 -MCU 15KB Flash Prgrm 64B 8MHz Intrnl Oscilatr RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC12F519-E/MS 功能描述:8位微控制器 -MCU 15KB Flash Prgrm 64B 8MHz Intrnl Oscilatr RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC12F519-E/P 功能描述:8位微控制器 -MCU 15KB Flash Prgrm 64B 8MHz Intrnl Oscilatr RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC12F519-E/SN 功能描述:8位微控制器 -MCU 15KB Flash Prgrm 64B 8MHz Intrnl Oscilatr RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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