PIC18F6620 Microchip, PIC18F6620 Datasheet - Page 134

• Manufacturer Part Number: PIC18F6620
• Description: Microcontroller
• Manufacturer: Microchip

PIC18F6520/8520/6620/8620/6720/8720
FIGURE 11-1:
FIGURE 11-2:
DS39609B-page 132
RA4/T0CKI
Note:
Note: Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
RA4/T0CKI pin
pin
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
T0SE
F
OSC
T0SE
/4
F
OSC
TIMER0 BLOCK DIAGRAM IN 8-BIT MODE
TIMER0 BLOCK DIAGRAM IN 16-BIT MODE
T0CS
/4
0
1
T0PS2, T0PS1, T0PS0
Programmable
T0CS
Prescaler
0
1
3
T0PS2, T0PS1, T0PS0
Programmable
PSA
0
Prescaler
1
3
(2 T
Sync with
Internal
Clocks
CY
delay)
PSA
0
1
(2 T
Sync with
Internal
Clocks
CY
TMR0L
delay)
8
High Byte
 2004 Microchip Technology Inc.
TMR0H
TMR0
8
Data Bus
8
TMR0
8
8
Read TMR0L
Data Bus<7:0>
Write TMR0L
Flag bit TMR0IF
Flag bit TMR0IF
Set Interrupt
on Overflow
Set Interrupt
on Overflow