PIC18F1220 MICROCHIP [Microchip Technology], PIC18F1220 Datasheet - Page 24

• Manufacturer Part Number: PIC18F1220
• Description: 18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F1220/1320
FIGURE 3-1:
FIGURE 3-2:
DS39605C-page 22
Peripheral
Program
Counter
Sleep
OSC1
Clock
Clock
CPU
Note 1: T
CPU Clock
Peripheral
PLL Clock
Program
Counter
Output
OSC1
Clock
Q1
Q2
OST
PC
Q3
= 1024 T
Wake Event
Q4
PC
TIMING TRANSITION FOR ENTRY TO SLEEP MODE
TRANSITION TIMING FOR WAKE FROM SLEEP (HSPLL)
Q1
OSC
T
OST
; T
PLL
(1)
= 2 ms (approx). These intervals are not shown to scale.
T
OSTS bit Set
PLL (1)
Q1 Q2 Q3 Q4 Q1 Q2
PC + 2
PC + 2
PC + 4
Q3 Q4 Q1 Q2
PC + 6
 2004 Microchip Technology Inc.
Q3 Q4
Q1 Q2 Q3 Q4
PC + 8