PIC16F87 Datasheet, PDF (48/214 Pages) Microchip Technology – 18/20/28-Pin Enhanced FLASH Microcontrollers with nanoWatt Technology

PIC16F87/88
FIGURE 4-9:
TIMING FOR TRANSITION BETWEEN SEC_RUN/RC_RUN AND PRIMARY
CLOCK
TT1P⁽¹⁾ or TINP⁽²⁾
Q4
Q1
Q2
Q3
Q4
Q1
Q2 Q3 Q4 Q1 Q2 Q3 Q4
Sec. Osc
OSC1
OSC2
Primary Clock
TOST
TOSC⁽³⁾
TSCS⁽⁴⁾
System Clock
SCS<1:0>
OSTS
Program
Counter
PC
TDLY⁽⁵⁾
PC + 1
Note
1: TT1P = 30.52 µs.
2: TINP = 32 µs typical.
3: TOSC = 50 ns minimum.
4: TSCS = 8 TINP OR 8 TT1P.
5: TDLY = 1 TINP OR 1 TT1P.
PC + 2
PC +3
DS30487B-page 46
Preliminary
 2003 Microchip Technology Inc.