PIC12F635-E/MD MICROCHIP [Microchip Technology], PIC12F635-E/MD Datasheet - Page 48

• Manufacturer Part Number: PIC12F635-E/MD
• Description: 8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12F635/PIC16F636/639
FIGURE 3-9:
TABLE 3-2:
DS41232D-page 46
CONFIG
INTCON
OSCCON
OSCTUNE
PIE1
PIR1
Legend:
Note 1:
Clock Monitor Output
Name
2:
3:
Sample Clock
(2)
Note:
x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by oscillators.
Other (non Power-up) Resets include MCLR Reset and Watchdog Timer Reset during normal operation.
See
PIC16F636/639 only.
System
Output
OSFIF
Clock
Configuration Word register (CONFIG) for operation of all register bits.
EEIE
EEIF
Bit 7
CPD
GIE
—
—
(Q)
SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES
The system clock is normally at a much higher frequency than the sample clock. The relative frequencies in
this example have been chosen for clarity.
FSCM TIMING DIAGRAM
IRCF2
LVDIE
LVDIF
Bit 6
PEIE
CP
—
MCLRE
IRCF1
CRIE
CRIF
Bit 5
T0IE
—
Test
PWRTE
C2IE
C2IF
IRCF0
TUN4
INTE
Bit 4
(3)
(3)
WDTE
OSTS
TUN3
RAIE
Bit 3
C1IE
C1IF
FOSC2
OSFIE
OSFIF
TUN2
Bit 2
T0IF
HTS
Test
Oscillator
Failure
FOSC1
TUN1
Bit 1
INTF
LTS
—
—
TMR1IE
TMR1IF
FOSC0
TUN0
RAIF
Bit 0
SCS
© 2007 Microchip Technology Inc.
Detected
0000 000x
-110 x000
---0 0000
000- 00-0
000- 00-0
POR, BOR
Value on
Failure
—
Test
0000 000x
-110 x000
---u uuuu
000- 00-0
000- 00-0
Resets
Value on
all other
—
(1)