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| PIC16F87_05 Datasheet, PDF (50/228 Pages) Microchip Technology – 18/20/28-Pin Enhanced Flash Microcontrollers with nanoWatt Technology | |||
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PIC16F87/88
FIGURE 4-11:
Q4
PRIMARY SYSTEM CLOCK AFTER RESET (EC, RC, INTRC)
TT1P(1)
Q1
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
T1OSI
OSC1
OSC2
CPU Start-up
TCPU(2)
System Clock
MCLR
OSTS
Program
Counter
PC
0000h
Note 1: TT1P = 30.52 µs.
2: TCPU = 5-10 µs (1 MHz system clock).
0001h
0002h
0003h
0004h
DS30487C-page 48
 2005 Microchip Technology Inc.
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