PIC16F684-I/SLG Microchip, PIC16F684-I/SLG Datasheet - Page 31

• Manufacturer Part Number: PIC16F684-I/SLG
• Description: pic, flash, Microcontrollers, Microprocessors, Semiconductors and Actives, ic, mcu
• Manufacturer: Microchip

REGISTER 3-2:
TABLE 3-2:
 2004 Microchip Technology Inc.
0Ch
8Ch
8Fh
90h
2007h
Legend:
Note 1:
Address
(1)
PIR1
PIE1
OSCCON
OSCTUNE
CONFIG
bit 7
bit 6-4
bit 3
bit 2
bit 1
bit 0
x = unknown, u = unchanged, — = unimplemented locations read as ‘0’. Shaded cells are not used by oscillators.
See Register 12-1 for operation of all Configuration Word register bits.
Name
SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES
OSCCON – OSCILLATOR CONTROL REGISTER (ADDRESS: 8Fh)
Unimplemented: Read as ‘0’
IRCF<2:0>: Internal Oscillator Frequency Select bits
000 = 31 kHz
001 = 125 kHz
010 = 250 kHz
011 = 500 kHz
100 = 1 MHz
101 = 2 MHz
110 = 4 MHz
111 = 8 MHz
OSTS: Oscillator Start-up Time-out Status bit
1 = Device is running from the external system clock defined by FOSC<2:0>
0 = Device is running from the internal system clock (HFINTOSC or LFINTOSC)
HTS: HFINTOSC (High Frequency – 8 MHz to 125 kHz) Status bit
1 = HFINTOSC is stable
0 = HFINTOSC is not stable
LTS: LFINTOSC (Low Frequency – 31 kHz) Stable bit
1 = LFINTOSC is stable
0 = LFINTOSC is not stable
SCS: System Clock Select bit
1 = Internal oscillator is used for system clock
0 = Clock source defined by FOSC<2:0>
Bit 7
EEIF
EEIE
bit 7
Legend:
R = Readable bit
-n = Value at POR
CPD
—
—
Note 1: Bit resets to ‘0’ with Two-Speed Start-up and LP, XT or HS selected as the Oscillator
U-0
—
IRCF2
ADIF
ADIE
Bit 6
CP
—
mode or Fail-Safe mode is enabled.
R/W-1
IRCF2
CCP1IF
CCP1IE
MCLRE PWRTE
IRCF1
Bit 5
—
R/W-1
IRCF1
IRCF0
TUN4
Bit 4
C2IF
C2IE
Preliminary
W = Writable bit
‘1’ = Bit is set
WDTE
OSTS
TUN3
Bit 3
C1IF
C1IE
R/W-0
IRCF0
FOSC2
OSFIE
OSFIF
TUN2
Bit 2
HTS
OSTS
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R-1
TMR2IE TMR1IE 0000 0000 0000 0000
TMR2IF TMR1IF 0000 0000 0000 0000
FOSC1
TUN1
Bit 1
LTS
(1)
FOSC0
TUN0
HTS
Bit 0
R-0
SCS
PIC16F684
-110 x000 -110 x000
---0 0000 ---u uuuu
POR, BOD
Value on:
x = Bit is unknown
LTS
R-0
—
DS41202C-page 29
Value on
all other
Resets
R/W-0
SCS
—
bit 0