PIC18F458T-I/PT Microchip Technology, PIC18F458T-I/PT Datasheet - Page 44

• Manufacturer Part Number: PIC18F458T-I/PT
• Description: IC MCU FLASH 16KX16 W/CAN 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F458T-I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

EXAMPLE 4-2:
EXAMPLE 4-3:
DS41159E-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
© 2006 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