PIC18LF458-I/PT Microchip Technology, PIC18LF458-I/PT Datasheet - Page 207

• 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

REGISTER 19-3:
© 2006 Microchip Technology Inc.
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
bit 7
RXB0OVFL RXB1OVFL
RXB0OVFL: Receive Buffer 0 Overflow bit
1 = Receive Buffer 0 overflowed
0 = Receive Buffer 0 has not overflowed
RXB1OVFL: Receive Buffer 1 Overflow bit
1 = Receive Buffer 1 overflowed
0 = Receive Buffer 1 has not overflowed
TXBO: Transmitter Bus-Off bit
1 = Transmit Error Counter > 255
0 = Transmit Error Counter
TXBP: Transmitter Bus Passive bit
1 = Transmission Error Counter > 127
0 = Transmission Error Counter
RXBP: Receiver Bus Passive bit
1 = Receive Error Counter > 127
0 = Receive Error Counter
TXWARN: Transmitter Warning bit
1 = 127
0 = Transmit Error Counter
RXWARN: Receiver Warning bit
1 = 127
0 = Receive Error Counter
EWARN: Error Warning bit
This bit is a flag of the RXWARN and TXWARN bits.
1 = The RXWARN or the TXWARN bits are set
0 = Neither the RXWARN or the TXWARN bits are set
Legend:
R = Readable bit
-n = Value at POR
COMSTAT: COMMUNICATION STATUS REGISTER
R/C-0
Transmit Error Counter > 95
Receive Error Counter > 95
R/C-0
W = Writable bit
‘1’ = Bit is set
TXBO
127
95
255
95
R-0
127
C = Clearable bit
‘0’ = Bit is cleared
TXBP
R-0
RXBP
R-0
U = Unimplemented bit, read as ‘0’
x = Bit is unknown
TXWARN RXWARN
R-0
PIC18FXX8
R-0
DS41159E-page 205
EWARN
R-0
bit 0