PIC18LF458-I/PT Microchip Technology, PIC18LF458-I/PT Datasheet - Page 202

• Manufacturer Part Number: PIC18LF458-I/PT
• Description: IC MCU CAN FLASH 16K LP 44-TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF458-I/PT

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 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
• Controller Family/series: PIC18
• No. Of I/o's: 33
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Package: 44TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 33
• Interface Type: CAN/I2C/SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 19-1:
DS41159E-page 200
PIC18FXX8
BUFFERS
PROTOCOL
ENGINE
Message
Control
Queue
Message
Request
TXREQ
TXABT
TXLARB
TXERR
TXBUFF
TXREQ
TXABT
TXLARB
TXERR
TXBUFF
TXREQ
TXABT
TXLARB
TXERR
TXBUFF
CAN BUFFERS AND PROTOCOL ENGINE BLOCK DIAGRAM
Transmit Byte Sequencer
MESSAGE
MESSAGE
MESSAGE
TXB0
TXB1
TXB2
Transmit
Logic
Transmit Shift
Transmit
Counter
Error
CRC Register
TX
Comparator
Protocol
FSM
Identifier
Receive Shift
RX
Receive
Counter
Acceptance Mask
Acceptance Filter
Acceptance Filter
Error
RXM0
RXF0
RXF1
RXB0
Bit Timing
Bit Timing
Generator
Logic
Message Assembly Buffer
Data and
Identifier
Accept
Accept
Data and
Identifier
© 2006 Microchip Technology Inc.
Acceptance Mask
Acceptance Filter
Acceptance Filter
Acceptance Filter
Acceptance Filter
RXERRCNT
Bus-Off
Err-Pas
TXERRCNT
RXM1
RXM2
RXB1
RXF3
RXF4
RXF5
Identifier