Datasheet

PIC16F7X7
DS30498C-page 44  2004 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
(6)
Q1
PC + 3
TOSC
(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 µs.
2: T
INP = 32 µs typical.
3: T
OSC = 50 ns minimum.
4: T
SCS = 8 TINP OR 8TT1P.
5: T
DLY = 1 TINP OR 1TT1P.
6: Refer to parameter D032 in Section 18.0 “Electrical Characteristics”.
Oscillator
Q4 Q1
Q3 Q4
OSC1
Program
PC PC + 1
Secondary
Primary Clock
TOST
(6)
Q1
PC + 3
TOSC
(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>
Oscillator