PIC16LF1936-E/SO Microchip Technology, PIC16LF1936-E/SO Datasheet - Page 296
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PIC16LF1936-E/SO
Manufacturer Part Number
PIC16LF1936-E/SO
Description
14KB Flash, 512B RAM, 256B EEPROM, LCD, NanoWatt XLP 28 SOIC .300in TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Specifications of PIC16LF1936-E/SO
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC16F193X/LF193X
24.1.2.8
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. If an overrun occurred, clear the OERR flag by
FIGURE 24-5:
DS41364D-page 296
Initialize the SPBRGH, SPBRGL register pair
and the BRGH and BRG16 bits to achieve the
desired baud rate (see Section 24.3 “EUSART
Baud Rate Generator (BRG)”).
Clear the ANSEL bit for the RX pin (if applicable).
Enable the serial port by setting the SPEN bit.
The SYNC bit must be clear for asynchronous
operation.
If interrupts are desired, set the RCIE bit of the
PIE1 register and the GIE and PEIE bits of the
INTCON register.
If 9-bit reception is desired, set the RX9 bit.
Enable reception by setting the CREN bit.
The RCIF interrupt flag bit will be set when a
character is transferred from the RSR to the
receive buffer. An interrupt will be generated if
the RCIE interrupt enable bit was also set.
Read the RCSTA register to get the error flags
and, if 9-bit data reception is enabled, the ninth
data bit.
Get the received 8 Least Significant data bits
from the receive buffer by reading the RCREG
register.
clearing the CREN receiver enable bit.
Note:
RX/DT pin
Rcv Shift
Reg
Rcv Buffer Reg.
Read Rcv
Buffer Reg.
RCREG
RCIF
(Interrupt Flag)
OERR bit
CREN
RCIDL
Asynchronous Reception Set-up:
This timing diagram shows three words appearing on the RX input. The RCREG (receive buffer) is read after the third word,
causing the OERR (overrun) bit to be set.
Start
ASYNCHRONOUS RECEPTION
bit
bit 0
bit 1
bit 7/8
Preliminary
Stop
bit
Word 1
RCREG
Start
bit
bit 0
24.1.2.9
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. Get the received 8 Least Significant data bits
11. If an overrun occurred, clear the OERR flag by
12. If the device has been addressed, clear the
Initialize the SPBRGH, SPBRGL register pair
and the BRGH and BRG16 bits to achieve the
desired baud rate (see Section 24.3 “EUSART
Baud Rate Generator (BRG)”).
Clear the ANSEL bit for the RX pin (if applicable).
Enable the serial port by setting the SPEN bit.
The SYNC bit must be clear for asynchronous
operation.
If interrupts are desired, set the RCIE bit of the
PIE1 register and the GIE and PEIE bits of the
INTCON register.
Enable 9-bit reception by setting the RX9 bit.
Enable address detection by setting the ADDEN
bit.
Enable reception by setting the CREN bit.
The RCIF interrupt flag bit will be set when a
character with the ninth bit set is transferred
from the RSR to the receive buffer. An interrupt
will be generated if the RCIE interrupt enable bit
was also set.
Read the RCSTA register to get the error flags.
The ninth data bit will always be set.
from the receive buffer by reading the RCREG
register. Software determines if this is the
device’s address.
clearing the CREN receiver enable bit.
ADDEN bit to allow all received data into the
receive buffer and generate interrupts.
bit 7/8 Stop
Word 2
RCREG
9-bit Address Detection Mode Set-up
bit
Start
2009 Microchip Technology Inc.
bit
bit 7/8
Stop
bit
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