PIC16LF1936-E/SO Microchip Technology, PIC16LF1936-E/SO Datasheet - Page 314
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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
24.4.2
The following bits are used to configure the EUSART
for Synchronous slave operation:
• SYNC = 1
• CSRC = 0
• SREN = 0 (for transmit); SREN = 1 (for receive)
• CREN = 0 (for transmit); CREN = 1 (for receive)
• SPEN = 1
Setting the SYNC bit of the TXSTA register configures the
device for synchronous operation. Clearing the CSRC bit
of the TXSTA register configures the device as a slave.
Clearing the SREN and CREN bits of the RCSTA register
ensures that the device is in the Transmit mode,
otherwise the device will be configured to receive. Setting
the SPEN bit of the RCSTA register enables the
EUSART.
24.4.2.1
The operation of the Synchronous Master and Slave
modes
“Synchronous Master Transmission”), except in the
case of the Sleep mode.
TABLE 24-9:
DS41364D-page 314
BAUDCON
INTCON
PIE1
PIR1
RCSTA
TRISC
TXREG
TXSTA
Legend: - = unimplemented read as ‘0’. Shaded cells are not used for Synchronous Slave Transmission.
Name
*
are
Page provides register information.
SYNCHRONOUS SLAVE MODE
EUSART Synchronous Slave
Transmit
TMR1GIE
EUSART Transmit Data Register
TMR1GIF
ABDOVF
TRISC7
CSRC
SPEN
identical
Bit 7
SUMMARY OF REGISTERS ASSOCIATED WITH SYNCHRONOUS SLAVE
TRANSMISSION
GIE
TRISC6
RCIDL
PEIE
ADIE
ADIF
Bit 6
(see
RX9
TX9
Section 24.4.1.3
TMR0IE
TRISC5
SREN
TXEN
RCIE
RCIF
Bit 5
—
TRISC4
Preliminary
CREN
SYNC
SCKP
INTE
TXIE
Bit 4
TXIF
ADDEN
TRISC3
SENDB
BRG16
SSPIE
SSPIF
IOCIE
If two words are written to the TXREG and then the
SLEEP instruction is executed, the following will occur:
1.
2.
3.
4.
5.
24.4.2.2
1.
2.
3.
4.
5.
6.
7.
8.
Bit 3
The first character will immediately transfer to
the TSR register and transmit.
The second word will remain in TXREG register.
The TXIF bit will not be set.
After the first character has been shifted out of
TSR, the TXREG register will transfer the second
character to the TSR and the TXIF bit will now be
set.
If the PEIE and TXIE bits are set, the interrupt
will wake the device from Sleep and execute the
next instruction. If the GIE bit is also set, the
program will call the Interrupt Service Routine.
Set the SYNC and SPEN bits and clear the
CSRC bit.
Clear the ANSEL bit for the RX pin (if applicable).
Clear the CREN and SREN bits.
If interrupts are desired, set the TXIE bit of the
PIE1 register and the GIE and PEIE bits of the
INTCON register.
If 9-bit transmission is desired, set the TX9 bit.
Enable transmission by setting the TXEN bit.
If 9-bit transmission is selected, insert the Most
Significant bit into the TX9D bit.
Start
Significant 8 bits to the TXREG register.
TMR0IF
CCP1IE
CCP1IF
TRISC2
BRGH
FERR
Bit 2
transmission
—
Synchronous Slave Transmission
Set-up:
TMR2IE
TMR2IF
TRISC1
OERR
TRMT
WUE
INTF
Bit 1
2009 Microchip Technology Inc.
by
writing
TMR1IE
TMR1IF
ABDEN
TRISC0
IOCIF
RX9D
TX9D
Bit 0
the
Register
on Page
291*
300
100
103
299
140
298
Least
99
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