PIC18F2331 MICROCHIP [Microchip Technology], PIC18F2331 Datasheet - Page 36

• Manufacturer Part Number: PIC18F2331
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2331/2431/4331/4431
FIGURE 3-1:
FIGURE 3-2:
DS39616B-page 34
OSC1
CPU
Clock
Peripheral
Clock
Sleep
Program
Counter
CPU Clock
PLL Clock
Peripheral
Note 1: T
Program
Counter
Output
OSC1
Clock
Q1
Q2
PC
OST
Q3
Wake Event
Q4
= 1024 T
PC
TIMING TRANSITION FOR ENTRY TO SLEEP MODE
TRANSITION TIMING FOR WAKE FROM SLEEP (HSPLL)
Q1
OSC
T
OST
; T
(1)
PLL
= 2 ms (approx). These intervals are not shown to scale.
T
OSTS bit Set
PLL (1)
Q1 Q2 Q3 Q4 Q1 Q2
Preliminary
PC + 2
PC + 2
PC + 4
Q3 Q4 Q1 Q2
PC + 6
Q3 Q4
 2003 Microchip Technology Inc.
Q1 Q2 Q3 Q4
PC + 8