PIC18F46K80T-I/ML Microchip Technology, PIC18F46K80T-I/ML Datasheet - Page 416
![ECAN, 64KB Flash, 4KB RAM, 16 MIPS, 12-bit ADC, CTMU 44 QFN 8x8x0.9mm T/R](/photos/39/70/397090/qfn-44_sml.jpg)
PIC18F46K80T-I/ML
Manufacturer Part Number
PIC18F46K80T-I/ML
Description
ECAN, 64KB Flash, 4KB RAM, 16 MIPS, 12-bit ADC, CTMU 44 QFN 8x8x0.9mm T/R
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F25K80-ISO.pdf
(628 pages)
Specifications of PIC18F46K80T-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
ECAN, I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.6K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Processor Series
PIC18F46K80
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
35
Number Of Timers
5
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC18F66K80 FAMILY
REGISTER 27-21: RXERRCNT: RECEIVE ERROR COUNT REGISTER
EXAMPLE 27-5:
DS39977C-page 416
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
REC7
; Need to read a pending message from RXB0 buffer.
; To receive any message, filter, mask and RXM1:RXM0 bits in RXB0CON registers must be
; programmed correctly.
;
; Make sure that there is a message pending in RXB0.
BTFSS
BRA
; We have verified that a message is pending in RXB0 buffer.
; If this buffer can receive both Standard or Extended Identifier messages,
; identify type of message received.
BTFSS
BRA
; Read all 29-bits of Extended Identifier message.
...
; Now read all data bytes
MOVFF
...
; Once entire message is read, mark the RXB0 that it is read and no longer FULL.
BCF
...
R-0
RXB0CON, RXFUL
NoMessage
RXB0SIDL, EXID
StandardMessage
RXB0DO, MY_DATA_BYTE1
RXB0CON, RXFUL
REC<7:0>: Receive Error Counter bits
This register contains the receive error value as defined by the CAN specifications. When
RXERRCNT > 127, the module will go into an error-passive state. RXERRCNT does not have the
ability to put the module in “bus-off” state.
REC6
R-0
READING A CAN MESSAGE
W = Writable bit
‘1’ = Bit is set
REC5
R-0
REC4
R-0
Preliminary
; Does RXB0 contain a message?
; No. Handle this situation...
; Is this Extended Identifier?
; No. This is Standard Identifier message.
; Yes. This is Extended Identifier message.
; This will allow CAN Module to load new messages
; into this buffer.
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
REC3
R-0
REC2
R-0
2011 Microchip Technology Inc.
x = Bit is unknown
REC1
R-0
REC0
R-0
bit 0
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