PIC18LF14K50-I/MQ Microchip Technology, PIC18LF14K50-I/MQ Datasheet - Page 103
![IC PIC MCU FLASH 768KX16 20-QFN](/photos/6/98/69844/c04-139_mq_sml.jpg)
PIC18LF14K50-I/MQ
Manufacturer Part Number
PIC18LF14K50-I/MQ
Description
IC PIC MCU FLASH 768KX16 20-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F13K50-ISS.pdf
(420 pages)
2.PIC18F13K50-ISS.pdf
(40 pages)
3.PIC18F13K50-ISS.pdf
(10 pages)
4.PIC18F13K50-ISS.pdf
(2 pages)
5.PIC18F14K50-IP.pdf
(422 pages)
Specifications of PIC18LF14K50-I/MQ
Program Memory Type
FLASH
Program Memory Size
16KB (8K x 16)
Package / Case
20-QFN
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
14
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
EUSART/I2C/MSSP/SPI/USB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
15
Number Of Timers
4
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, DM164127, DV164126
Minimum Operating Temperature
- 40 C
On-chip Adc
11-ch x 10-bit
Controller Family/series
PIC18
No. Of I/o's
15
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
48MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF14K50-I/MQ
Manufacturer:
Microchip
Quantity:
270
- PIC18F13K50-ISS PDF datasheet
- PIC18F13K50-ISS PDF datasheet #2
- PIC18F13K50-ISS PDF datasheet #3
- PIC18F13K50-ISS PDF datasheet #4
- PIC18F14K50-IP PDF datasheet #5
- Current page: 103 of 420
- Download datasheet (4Mb)
FIGURE 10-2:
10.3
An 8-bit counter is available as a prescaler for the Timer0
module. The prescaler is not directly readable or writable;
its value is set by the PSA and T0PS<2:0> bits of the
T0CON
assignment and prescale ratio.
Clearing the PSA bit assigns the prescaler to the
Timer0 module. When the prescaler is assigned,
prescale values from 1:2 through 1:256 in integer
power-of-2 increments are selectable.
When assigned to the Timer0 module, all instructions
writing to the TMR0 register (e.g., CLRF TMR0, MOVWF
TMR0, BSF TMR0, etc.) clear the prescaler count.
TABLE 10-1:
2010 Microchip Technology Inc.
TMR0L
TMR0H
INTCON
T0CON
TRISC
Legend: Shaded cells are not used by Timer0.
Note 1:
Note:
Note: Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
T0CKI pin
Name
Prescaler
register
PORTA<7:6> and their direction bits are individually configured as port pins based on various primary
oscillator modes. When disabled, these bits read as ‘0’.
T0SE
T0CS
T0PS<2:0>
PSA
Writing to TMR0 when the prescaler is
assigned to Timer0 will clear the prescaler
count but will not change the prescaler
assignment.
Timer0 Register, Low Byte
Timer0 Register, High Byte
GIE/GIEH PEIE/GIEL TMR0IE
F
TMR0ON
TRISC7
OSC
Bit 7
REGISTERS ASSOCIATED WITH TIMER0
/4
which
TIMER0 BLOCK DIAGRAM (16-BIT MODE)
0
1
TRISC6
determine
T08BIT
Bit 6
Programmable
Prescaler
TRISC5
3
the
T0CS
Bit 5
prescaler
0
1
Preliminary
TRISC4
INT0IE
T0SE
Bit 4
(2 T
Sync with
Internal
Clocks
CY
Delay)
TRISC3
RABIE
10.3.1
The prescaler assignment is fully under software
control and can be changed “on-the-fly” during program
execution.
10.4
The TMR0 interrupt is generated when the TMR0 reg-
ister overflows from FFh to 00h in 8-bit mode, or from
FFFFh to 0000h in 16-bit mode. This overflow sets the
TMR0IF flag bit. The interrupt can be masked by clear-
ing the TMR0IE bit of the INTCON register. Before
re-enabling the interrupt, the TMR0IF bit must be
cleared by software in the Interrupt Service Routine.
Since Timer0 is shut down in Sleep mode, the TMR0
interrupt cannot awaken the processor from Sleep.
Bit 3
PSA
Timer0 Interrupt
PIC18F/LF1XK50
TMR0IF
TRISC2
T0PS2
SWITCHING PRESCALER
ASSIGNMENT
Bit 2
TMR0L
8
8
TRISC1
INT0IF
T0PS1
Bit 1
High Byte
TMR0H
TMR0
8
8
8
TRISC0
T0PS0
RABIF
Bit 0
DS41350E-page 103
Set
TMR0IF
on Overflow
Read TMR0L
Write TMR0L
Internal Data Bus
on page
Values
Reset
286
286
285
286
288
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