PIC18LF8680T-I/PT Microchip Technology, PIC18LF8680T-I/PT Datasheet - Page 298
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PIC18LF8680T-I/PT
Manufacturer Part Number
PIC18LF8680T-I/PT
Description
IC PIC MCU FLASH 32KX16 80TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheet
1.PCM18XK1.pdf
(496 pages)
Specifications of PIC18LF8680T-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
68
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TFQFP
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3328 B
Interface Type
I2C, SPI, AUSART, CAN
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
69
Number Of Timers
8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF8680T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 298 of 496
- Download datasheet (9Mb)
PIC18F6585/8585/6680/8680
REGISTER 23-20: RXBnDm: RECEIVE BUFFER n DATA FIELD BYTE m REGISTERS
REGISTER 23-21: RXERRCNT: RECEIVE ERROR COUNT REGISTER
EXAMPLE 23-5:
DS30491C-page 296
; 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
...
bit 7-0
bit 7-0
RXB0CON, RXFUL
NoMessage
RXB0SIDL, EXID
StandardMessage
RXB0DO, MY_DATA_BYTE1
RXB0CON, RXFUL
[0
READING A CAN MESSAGE
bit 7
RXBnDm7 RXBnDm6 RXBnDm5 RXBnDm4 RXBnDm3 RXBnDm2 RXBnDm1 RXBnDm0
RXBnDm7:RXBnDm0: Receive Buffer n Data Field Byte m bits (where 0 n < 1 and 0 < m < 7)
Each receive buffer has an array of registers. For example, Receive Buffer 0 has 8 registers:
RXB0D0 to RXB0D7.
Legend:
R = Readable bit
- n = Value at POR
bit 7
REC7:REC0: 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.
Legend:
R = Readable bit
- n = Value at POR
REC7
R-x
R-0
n
1, 0
REC6
R-x
R-0
m
7]
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
REC5
R-x
R-0
; Does RXB0 contain a message?
; No.
; Is this Extended Identifier?
; No.
; Yes.
; This will allow CAN Module to load new messages
; into this buffer.
Handle this situation...
This is Standard Identifier message.
This is Extended Identifier message.
REC4
R-x
R-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
REC3
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R-x
R-0
REC2
R-x
R-0
2004 Microchip Technology Inc.
x = Bit is unknown
x = Bit is unknown
REC1
R-x
R-0
REC0
R-x
R-0
bit 0
bit 0
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