PIC18F2220 MICROCHIP [Microchip Technology], PIC18F2220 Datasheet - Page 34

• Manufacturer Part Number: PIC18F2220
• Description: 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2220/2320/4220/4320
FIGURE 3-1:
FIGURE 3-2:
DS39599C-page 32
OSC1
CPU
Clock
Peripheral
Clock
Sleep
Program
Counter
CPU Clock
PLL Clock
Peripheral
Note 1: T
Program
Counter
Output
OSC1
Clock
Q1
Q2
OST
PC
Q3
= 1024 T
Wake-up Event
Q4
PC
TIMING TRANSITION FOR ENTRY TO SLEEP MODE
TRANSITION TIMING FOR WAKE FROM SLEEP (HSPLL)
Q1
OSC
; T
PLL
T
OST
= 2 ms (approx). These intervals are not shown to scale.
(1)
T
OSTS bit Set
PLL (1)
Q1 Q2 Q3 Q4 Q1 Q2
PC + 2
PC + 2
PC + 4
Q3 Q4 Q1 Q2
PC + 6
Q3 Q4
 2003 Microchip Technology Inc.
Q1 Q2 Q3 Q4
PC + 8