PIC18LF6310T-I/PT Microchip Technology, PIC18LF6310T-I/PT Datasheet - Page 229
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PIC18LF6310T-I/PT
Manufacturer Part Number
PIC18LF6310T-I/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,64PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Specifications of PIC18LF6310T-I/PT
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF6310T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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18.2.2
The receiver block diagram is shown in
The data is received on the RX1 pin and drives the data
recovery block. The data recovery block is actually a
high-speed shifter operating at x16 times the baud rate,
whereas the main receive serial shifter operates at the
bit rate or at F
in RS-232 systems.
The RXDTP bit (BAUDCON<5>) allows the RX signal
to be inverted (polarity reversed). Devices that buffer
signals from RS-232 to TTL levels also perform an
inversion of the signal (when RS-232 = positive,
TTL = 0). Inverting the polarity of the RXx pin data by
setting the RXDTP bit allows for the use of circuits that
provide buffering without inverting the signal.
To set up an Asynchronous Reception:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. If any error occurred, clear the error by clearing
11. If using interrupts, ensure that the GIE and PEIE
2010 Microchip Technology Inc.
Initialize the SPBRGH:SPBRG registers for the
appropriate baud rate. Set or clear the BRGH
and BRG16 bits, as required, to achieve the
desired baud rate.
Enable the asynchronous serial port by clearing
bit, SYNC, and setting bit, SPEN.
If the signal at the RXx pin is to be inverted, set
the RXDTP bit.
If interrupts are desired, set enable bit, RCIE.
If 9-bit reception is desired, set bit, RX9.
Enable the reception by setting bit, CREN.
Flag bit, RCIF, will be set when reception is com-
plete and an interrupt will be generated if enable
bit, RCIE, was set.
Read the RCSTA register to get the 9th bit (if
enabled) and determine if any error occurred
during reception.
Read the 8-bit received data by reading the
RCREG register.
enable bit, CREN.
bits in the INTCON register (INTCON<7:6>) are
set.
EUSART ASYNCHRONOUS
RECEIVER
OSC
. This mode would typically be used
Figure
PIC18F6310/6410/8310/8410
18-6.
18.2.3
This mode would typically be used in RS-485 systems.
To set up an Asynchronous Reception with Address
Detect Enable:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Read RCREG to determine if the device is being
11. If any error occurred, clear the CREN bit.
12. If the device has been addressed, clear the
Initialize the SPBRGH:SPBRG registers for the
appropriate baud rate. Set or clear the BRGH
and BRG16 bits, as required, to achieve the
desired baud rate.
Enable the asynchronous serial port by clearing
the SYNC bit and setting the SPEN bit.
If the signal at the RXx pin is to be inverted, set
the RXDTP bit. If the signal from the TXx pin is
to be inverted, set the TXCKP bit.
If interrupts are required, set the RCEN bit and
select the desired priority level with the RCIP bit.
Set the RX9 bit to enable 9-bit reception.
Set the ADDEN bit to enable address detect.
Enable reception by setting the CREN bit.
The RCIF bit will be set when reception is com-
plete. The interrupt will be Acknowledged if the
RCIE and GIE bits are set.
Read the RCSTA register to determine if any
error occurred during reception, as well as read
bit 9 of data (if applicable).
addressed.
ADDEN bit to allow all received data into the
receive buffer and interrupt the CPU.
SETTING UP 9-BIT MODE WITH
ADDRESS DETECT
DS39635C-page 229
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