參數(shù)資料
型號: PIC10F220IP
廠商: Microchip Technology Inc.
英文描述: 6-Pin, 8-Bit Flash Microcontrollers
中文描述: 6引腳,8位閃存微控制器
文件頁數(shù): 17/78頁
文件大?。?/td> 583K
代理商: PIC10F220IP
2006 Microchip Technology Inc.
Preliminary
DS41270B-page 15
PIC10F220/222
TABLE 4-1:
SPECIAL FUNCTION REGISTER (SFR)
SUMMARY
4.4
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 Instruction Set Summary.
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-On
Reset
(2)
Page #
00h
01h
02h
INDF
TMR0
PCL
(1)
Uses contents of FSR to address data memory (not a physical register)
8-Bit Real-Time Clock/Counter
Low Order 8 Bits of PC
xxxx xxxx
20
25
19
xxxx xxxx
1111 1111
0--1 1xxx
(3)
03h
04h
05h
06h
STATUS
FSR
OSCCAL
GPIO
GPWUF
Indirect Data Memory Address Pointer
CAL6
CAL5
TO
PD
Z
DC
C
15
20
18
21
111x xxxx
CAL4
CAL3
CAL2
GP3
CAL1
GP2
CAL0
GP1
FOSC4
GP0
1111 1110
---- xxxx
07h
08h
N/A
ADCON0
ADRES
TRISGPIO
OPTION
ANS1
Result of Analog-to-Digital Conversion
ANS0
CHS1
CHS0
GO/DONE
ADON
11-- 1100
30
31
23
xxxx xxxx
I/O Control Register
---- 1111
N/A
Legend:
Note
GPWU
GPPU
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
17
– = unimplemented, read as ‘
0
’,
x
= unknown,
u
= unchanged,
q
= value depends on condition.
The upper byte of the Program Counter is not directly accessible. See
Section 4.7 “Program Counter”
for an
explanation of how to access these bits.
Other (non Power-up) Resets include external Reset through MCLR, Watchdog Timer and wake-up on pin change
Reset.
See Table 8-1 for other Reset specific values.
1:
2:
3:
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