PIC16LF1936-E/SO Microchip Technology, PIC16LF1936-E/SO Datasheet - Page 139
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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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12.4
PORTC is a 8-bit wide, bidirectional port. The
corresponding
(Register 12-12). Setting a TRISC bit (= 1) will make the
corresponding PORTC pin an input (i.e., put the
corresponding output driver in a High-Impedance mode).
Clearing a TRISC bit (= 0) will make the corresponding
PORTC pin an output (i.e., enable the output driver and
put the contents of the output latch on the selected pin).
Example 12-3 shows how to initialize PORTC.
Reading the PORTC register (Register 12-11) reads the
status of the pins, whereas writing to it will write to the
PORT latch. All write operations are read-modify-write
operations. Therefore, a write to a port implies that the
port pins are read, this value is modified and then written
to the PORT data latch (LATC).
The TRISC register (Register 12-12) controls the
PORTC pin output drivers, even when they are being
used as analog inputs. The user should ensure the bits in
the TRISC register are maintained set when using them
as analog inputs. I/O pins configured as analog input
always read ‘0’.
EXAMPLE 12-3:
2009 Microchip Technology Inc.
BANKSEL
CLRF
BANKSEL
CLRF
BANKSEL
CLRF
BANKSEL
MOVLW
MOVWF
PORTC Registers
PORTC
PORTC
LATC
LATC
ANSELC
ANSELC
TRISC
B'11110000' ;Set RC<7:4> as inputs
TRISC
data
INITIALIZING PORTC
direction
;
;Init PORTC
;Data Latch
;
;
;digital I/O
;
;and set RC<3:0> as
;outputs
register
is
TRISC
Preliminary
12.4.1
Each PORTC pin is multiplexed with other functions. The
pins, their combined functions and their output priorities
are briefly described here. For additional information,
refer to the appropriate section in this data sheet.
When multiple outputs are enabled, the actual pin
control goes to the peripheral with the lowest number in
the following lists.
Analog input and some digital input functions are not
included in the list below. These input functions can
remain active when the pin is configured as an output.
Certain digital input functions override other port
functions and are included in the priority list.
RC0
1.
2.
3.
RC1
1.
2.
3.
RC2
1.
2.
3.
RC3
1.
2.
3.
4.
RC4
1.
2.
3.
RC5
1.
2.
3.
RC6
1.
2.
3.
4.
5.
RC7
1.
2.
3.
4.
PIC16F193X/LF193X
T1OSO (Timer1 Oscillator)
CCP2/P2B
RC0
T1OSI (Timer1 Oscillator)
CCP2/P2A
RC1
SEG3 (LCD)
CCP1/P1A
RC2
SEG6 (LCD)
SCL (MSSP)
SCK (MSSP)
RC3
SEG11 (LCD)
SDA (MSSP)
RC4
SEG10 (LCD)
SDO (MSSP)
RC5
SEG9 (LCD)
TX (EUSART)
CK (EUSART)
CCP3/P3A, 28-pin only
RC6
SEG8 (LCD)
DT (EUSART)
CCP3/P3B, 28 pin only
RC7
PORTC FUNCTIONS AND OUTPUT
PRIORITIES
DS41364D-page 139
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