PIC18F4580-I/P Microchip Technology Inc., PIC18F4580-I/P Datasheet - Page 112

• Manufacturer Part Number: PIC18F4580-I/P
• Description: 40 PIN, 32 KB FLASH, 1536 RAM, 36 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4580-I/P

• A/d Inputs: 11-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: CAN/I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 32K Bytes
• Ram Size: 1.5K Bytes
• Speed: 40 MHz
• Timers: 1-8 bit, 3-16 bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 11-1:
FIGURE 11-2:
DS41159D-page 110
PIC18FXX8
T0CKI pin
Note 1: Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
Note 1: Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
RA4/T0CKI
pin
(2)
2: I/O pins have diode protection to V
2: I/O pins have diode protection to V
T0SE
(2)
T0SE
F
OSC
/4
F
TIMER0 BLOCK DIAGRAM IN 8-BIT MODE
TIMER0 BLOCK DIAGRAM IN 16-BIT MODE
OSC
T0CS
/4
1
0
T0PS2, T0PS1, T0PS0
(1)
T0CS
Programmable
Prescaler
1
0
(1)
DD
3
DD
and V
T0PS2, T0PS1, T0PS0
and V
SS
SS
Programmable
.
PSA
.
Prescaler
1
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
 2004 Microchip Technology Inc.
TMR0H
TMR0
8
Data Bus
8
TMR0L
8
8
Read TMR0L
Data Bus<7:0>
Write TMR0L
Flag bit TMR0IF
Flag bit TMR0IF
Set Interrupt
on Overflow
Set Interrupt
on Overflow