PIC16LF1903-E/SS Microchip Technology, PIC16LF1903-E/SS Datasheet - Page 102
PIC16LF1903-E/SS
Manufacturer Part Number
PIC16LF1903-E/SS
Description
7KB Flash, 256B RAM, LCD, 11x10b ADC, NanoWatt XLP 28 SSOP .209in TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1902-EMV.pdf
(240 pages)
Specifications of PIC16LF1903-E/SS
Processor Series
PIC16LF190x
Core
PIC
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
4 KB
Data Ram Size
256 B
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
25
Number Of Timers
2
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
SSOP-28
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
-
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
-
Ram Size
256 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
Lead Free Status / Rohs Status
Details
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PIC16LF1902/3
11.3
PORTC is an 8-bit wide bidirectional port. The
corresponding
(Register
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 11-1
Reading the PORTC register
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
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’.
DS41455B-page 102
PORTC Registers
11-6). Setting a TRISC bit (= 1) will make the
shows how to initialize an I/O port.
data
(Register
direction
11-6) controls the PORTC
(Register
register
11-5) reads the
is
TRISC
Preliminary
11.3.1
Each PORTC pin is multiplexed with other functions. The
pins, their combined functions and their output priorities
are shown in
When multiple outputs are enabled, the actual pin
control goes to the peripheral with the highest priority.
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
TABLE 11-7:
Note 1:
Pin Name
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
Priority listed from highest to lowest.
PORTC FUNCTIONS AND OUTPUT
PRIORITIES
Table
PORTC OUTPUT PRIORITY
11-7.
2011 Microchip Technology Inc.
Function Priority
Table
SOSCO (T1OSCO)
T1CKI
RC0
SOSC1 (T1OSCI)
RC1
SEG2
RC2
SEG6
RC3
SEG11
T1G
RC4
SEG10
RC5
SEG9
RC6
SEG8
RC7
11-7.
(1)
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