PIC18F452I/L Microchip Technology, PIC18F452I/L Datasheet - Page 106

• Manufacturer Part Number: PIC18F452I/L
• Description: IC, 8BIT MCU, PIC18F, 40MHZ, LCC-44
• Manufacturer: Microchip Technology

Specifications of PIC18F452I/L

• Controller Family/series: PIC18
• No. Of I/o's: 34
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Core Size: 8 Bit
• Program Memory Size: 16 KWords
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18FXX2
FIGURE 10-1:
FIGURE 10-2:
DS39564C-page 104
T0CKI pin
Note:
Note: Upon RESET, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
RA4/T0CKI 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
1
Prescaler
0
3
(2 T
Sync with
Internal
Clocks
CY
delay)
PSA
1
0
(2 T
Sync with
Internal
Clocks
CY
TMR0L
delay)
8
High Byte
© 2006 Microchip Technology Inc.
TMR0H
TMR0
8
TMR0L
8
Data Bus
8
8
Read TMR0L
Data Bus<7:0>
Write TMR0L
Flag bit TMR0IF
Flag bit TMR0IF
Set Interrupt
on Overflow
Set Interrupt
on Overflow