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| 型號： | MCV14ATI/SL |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO14 |
| 封裝： | 3.90 MM, PLASTIC, SOIC-4 |
| 文件頁數(shù)： | 7/84頁 |
| 文件大?。?/td> | 1007K |
| 代理商： | MCV14ATI/SL |
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2009 Microchip Technology Inc.
Preliminary
DS41338B-page 13
MCV14A
3.2.3
SPECIAL FUNCTION REGISTERS
The Special Function Registers (SFRs) are registers
used by the CPU and peripheral functions to control the
operation of the device (Table 3-1).
The Special Function Registers can be classified into
two sets. The Special Function Registers associated
with the “core” functions are described in this section.
Those related to the operation of the peripheral
features are described in the section for each
peripheral feature.
TABLE 3-1:
SPECIAL FUNCTION REGISTER (SFR) SUMMARY
Addr
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-on
Reset
Page #
N/A
TRIS
—
I/O Control Register (PORTB, PORTC)
--11 1111
N/A
OPTION
Contains control bits to configure Timer0 and Timer0/WDT prescaler
1111 1111
00h
INDF
Uses contents of FSR to Address Data Memory (not a physical register)
xxxx xxxx
01h/41h
TMR0
Timer0 Module Register
xxxx xxxx
02h(1)
PCL
Low order 8 bits of PC
1111 1111
03h
STATUS
RBWUF
CWUF
PA0
TO
PD
ZDC
C
0001 1xxx
04h
FSR
Indirect Data Memory Address Pointer
100x xxxx
05h/45h
OSCCAL
CAL6
CAL5
CAL4
CAL3
CAL2
CAL1
CAL0
—
1111 111-
06h/46h
PORTB
—
RB5
RB4
RB3
RB2
RB1
RB0
--xx xxxx
07h
PORTC
—
RC5
RC4
RC3
RC2
RC1
RC0
--xx xxxx
08h
CM1CON0
C1OUT
C1OUTEN
C1POL
C1T0CS
C1ON
C1NREF
C1PREF
C1WU
1111 1111
09h
ADCON0
ANS1
ANS0
ADCS1
ADCS0
CHS1
CHS0
GO/DONE
ADON
1111 1100
0Ah
ADRES
ADC Conversion Result
xxxx xxxx
0Bh
CM2CON0
C2OUT
C2OUTEN
C2POL
C2PREF2
C2ON
C2NREF
C2PREF1
C2WU
1111 1111
0Ch
VRCON
VREN
VROE
VRR
—
VR3
VR2
VR1
VR0
000- 0000
21h/61h
EECON
—
FREE
WRERR
WREN
WR
RD
---0 0000
25h/65h
EEDATA
SELF READ/WRITE DATA
xxxx xxxx
26h/66h
EEADR
—
SELF READ/WRITE ADDRESS
--xx xxxx
Legend:
x = unknown, u = unchanged, – = unimplemented, read as '0' (if applicable). Shaded cells = unimplemented or unused
Note 1:
The upper byte of the Program Counter is not directly accessible. See Section 3.6 “Program Counter” for an explanation of how to
access these bits.
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