PIC16F639 Microchip Technology Inc., PIC16F639 Datasheet - Page 74

• Manufacturer Part Number: PIC16F639
• Description: 8/14-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

PIC12F635/PIC16F636/639
FIGURE 7-3:
FIGURE 7-4:
DS41232D-page 72
Note 1: Q1 and Q3 are phases of the four-phase system clock (F
Note 1: Comparator output is latched on falling edge of Timer1 clock source.
COMPARATOR C1 OUTPUT BLOCK DIAGRAM (PIC16F636/639)
COMPARATOR C2 OUTPUT BLOCK DIAGRAM (PIC16F636/639)
2: Q1 is held high during Sleep mode.
2: Q1 and Q3 are phases of the four-phase system clock (F
3: Q1 is held high during Sleep mode.
C1
C2
C1INV
C2INV
Q3*RD CMCON0
Q3*RD CMCON0
clock source
Timer1
Q1
Q1
Reset
Reset
(1)
EN
D
D
EN
EN
D
D
D
EN
CL
CL
Q
Q
Q
Q
Q
RD CMCON0
RD CMCON0
C2SYNC
OSC
OSC
0
1
).
).
© 2007 Microchip Technology Inc.
To C1OUT pin
To Data Bus
Set C1IF bit
To Timer1 Gate
To C2OUT pin
To Data Bus
Set C2IF bit