PIC18F1320-I/SO Microchip Technology Inc., PIC18F1320-I/SO Datasheet - Page 152
PIC18F1320-I/SO
Manufacturer Part Number
PIC18F1320-I/SO
Description
Microcontroller; 8 KB Flash; 256 RAM; 256 EEPROM; 16 I/O; 18-Pin-PDIP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F1320-ISO.pdf
(310 pages)
Specifications of PIC18F1320-I/SO
A/d Inputs
7-Channel, 10-Bit
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
16
Interface
USART
Memory Type
Flash
Number Of Bits
8
Package Type
18-pin SOIC
Programmable Memory
8K Bytes
Ram Size
256 Bytes
Speed
20 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
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Quantity
Price
Company:
Part Number:
PIC18F1320-I/SO
Manufacturer:
MICROCHIP
Quantity:
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Part Number:
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Manufacturer:
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PIC18F1220/1320
16.4.2
Once Synchronous mode is selected, reception is
enabled by setting either the Single Receive Enable bit,
SREN (RCSTA<5>), or the Continuous Receive
Enable bit, CREN (RCSTA<4>). Data is sampled on the
RB4/AN6/RX/DT/KBI0 pin on the falling edge of the
clock.
If enable bit, SREN, is set, only a single word is
received. If enable bit, CREN, is set, the reception is
continuous until CREN is cleared. If both bits are set,
then CREN takes precedence.
To set up a Synchronous Master Reception:
1.
2.
FIGURE 16-12:
DS39605C-page 150
Note:
RB4/AN6/RX/
RB1/AN5/TX/
RB1/AN5/TX/
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 synchronous master serial port by
setting bits SYNC, SPEN and CSRC.
CK/INT1 pin
CK/INT1 pin
DT/KBI0 pin
(SCKP = 0)
(SCKP = 1)
(Interrupt)
CREN bit
bit SREN
SREN bit
RCIF bit
RXREG
Write to
Read
EUSART SYNCHRONOUS MASTER
RECEPTION
Timing diagram demonstrates Sync Master mode with bit SREN = 1 and bit BRGH = 0.
Q2
Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
‘0’
SYNCHRONOUS RECEPTION (MASTER MODE, SREN)
bit 0
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
bit 1
bit 2
bit 3
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
Ensure bits CREN and SREN are clear.
If interrupts are desired, set enable bit RCIE.
If 9-bit reception is desired, set bit RX9.
If a single reception is required, set bit SREN.
For continuous reception, set bit CREN.
Interrupt flag bit, RCIF, will be set when reception
is complete and an interrupt will be generated if
the 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.
bit CREN.
bits in the INTCON register (INTCON<7:6>) are
set.
bit 4
bit 5
bit 6
2004 Microchip Technology Inc.
bit 7
Q1 Q2 Q3 Q4
‘0’
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