PIC18F4580-I/P Microchip Technology Inc., PIC18F4580-I/P Datasheet - Page 44

• 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

EXAMPLE 4-2:
EXAMPLE 4-3:
DS41159D-page 42
PIC18FXX8
MOVLW 055h
GOTO 000006h
MOVFF 123h, 456h
1. MOVLW 55h
2. MOVWF PORTB
3. BRA SUB_1
4. BSF
5. Instruction @ address SUB_1
Note:
All instructions are single cycle, except for any program branches. These take two cycles, since the fetch instruction is
“flushed” from the pipeline while the new instruction is being fetched and then executed.
Instruction
PORTA, BIT3 (Forced NOP)
—
—
INSTRUCTION PIPELINE FLOW
INSTRUCTIONS IN PROGRAM MEMORY
Fetch 1
T
CY
0
0EF03h, 0F000h
0C123h, 0F456h
Execute 1
Opcode
Fetch 2
0E55h
T
CY
1
Execute 2
Fetch 3
T
CY
2
Execute 3
Memory
Fetch 4
T
0EFh
0C1h
0F0h
0F4h
0Eh
CY
55h
03h
00h
23h
56h
3
Fetch SUB_1
 2004 Microchip Technology Inc.
Flush
T
CY
4
Execute SUB_1
Address
00000Ah
00000Bh
00000Ch
00000Dh
00000Eh
000007h
000008h
000009h
00000Fh
000010h
000012h
000011h
T
CY
5