PIC18F1220-I/SO Microchip Technology Inc., PIC18F1220-I/SO Datasheet - Page 102
PIC18F1220-I/SO
Manufacturer Part Number
PIC18F1220-I/SO
Description
Microcontroller; 4 KB Flash; 256 RAM; 256 EEPROM; 16 I/O; 18-Pin-SOIC
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F1220-ISO.pdf
(310 pages)
Specifications of PIC18F1220-I/SO
A/d Inputs
7-Channel, 10-Bit
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
16
Interface
USART
Memory Type
Flash
Number Of Bits
8
Package Type
18-pin SOIC
Programmable Memory
4K Bytes
Ram Size
256 Bytes
Speed
20 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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PIC18F1220/1320
FIGURE 11-1:
FIGURE 11-2:
DS39605C-page 100
RA4/T0CKI
Note:
Note:
RA4/T0CKI
pin
pin
T0SE
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI maximum prescale.
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI maximum prescale.
T0SE
F
OSC
F
OSC
/4
TIMER0 BLOCK DIAGRAM IN 8-BIT MODE
TIMER0 BLOCK DIAGRAM IN 16-BIT MODE
/4
T0CS
0
1
T0PS2, T0PS1, T0PS0
T0CS
Programmable
0
1
Prescaler
3
T0PS2, T0PS1, T0PS0
Programmable
Prescaler
PSA
1
0
3
(2 T
Sync with
Internal
Clocks
CY
Delay)
PSA
1
0
(2 T
Sync with
Internal
Clocks
CY
Delay)
TMR0L
8
2004 Microchip Technology Inc.
High Byte
TMR0H
TMR0
8
Data Bus
TMR0
8
8
8
Read TMR0L
Flag bit TMR0IF
Write TMR0L
Data Bus<7:0>
Set Interrupt
on Overflow
Flag bit TMR0IF
Set Interrupt
on Overflow
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