Datasheet

PIC16F87/88
DS30487D-page 46  2002-2013 Microchip Technology Inc.
FIGURE 4-9: TIMING FOR TRANSITION BETWEEN SEC_RUN/RC_RUN AND PRIMARY CLOCK
Q4 Q1
Q3 Q4
OSC1
Program
PC PC + 1
Secondary
Primary Clock
TOST
Q1
PC + 3
TDLY
(5)
TT1P
(1)
or TINP
(2)
TSCS
(4)
Q2
OSC2
Q3
Q4
Q1
OSTS
System Clock
PC + 2
Counter
Q2
Q2
Q3
Q4
SCS<1:0>
Note 1: TT1P = 30.52 s.
2: T
INP = 32 s typical.
3: T
OSC = 50 ns minimum.
4: T
SCS = 8 TINP OR 8TT1P.
5: T
DLY = 1 TINP OR 1TT1P.
Oscillator
TOSC
(3)