PIC18F14K50T-I/SO Microchip Technology, PIC18F14K50T-I/SO Datasheet - Page 34
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PIC18F14K50T-I/SO
Manufacturer Part Number
PIC18F14K50T-I/SO
Description
16 KB Flash, 768 RAM, 15 I/O, 10-Bit ADC, USB 2.0 20 SOIC .300in T/R
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F13K50-ISS.pdf
(420 pages)
2.PIC18F13K50-ISS.pdf
(10 pages)
3.PIC18F13K50-ISS.pdf
(2 pages)
4.PIC18F14K50-ISS.pdf
(4 pages)
Specifications of PIC18F14K50T-I/SO
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
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Processor Series
PIC18F
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
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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
A/d Bit Size
10 bit
A/d Channels Available
11
Height
2.05 mm
Length
12.8 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
7.49 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC244023 - PROC EXTENS PAK PIC18F1XK50DV164126 - KIT DEVELOPMENT USB W/PICKIT 2DM164127 - KIT DEVELOPMENT USB 18F14/13K50AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPXLT20SO1-1 - SOCKET TRANS ICE 20DIP TO 20SOIC
Lead Free Status / Rohs Status
Details
- PIC18F13K50-ISS PDF datasheet
- PIC18F13K50-ISS PDF datasheet #2
- PIC18F13K50-ISS PDF datasheet #3
- PIC18F14K50-ISS PDF datasheet #4
- Current page: 34 of 420
- Download datasheet (4Mb)
PIC18F1XK50/PIC18LF1XK50
3.2.3
The program memory is addressed in bytes.
Instructions are stored as either two bytes or four bytes
in program memory. The Least Significant Byte (LSB)
of an instruction word is always stored in a program
memory location with an even address (LSb = 0). To
maintain alignment with instruction boundaries, the PC
increments in steps of 2 and the LSb will always read
‘0’ (see
Figure 3-4
are stored in the program memory.
FIGURE 3-4:
3.2.4
The standard PIC18 instruction set has four two-word
instructions: CALL, MOVFF, GOTO and LSFR. In all
cases, the second word of the instruction always has
‘1111’ as its four Most Significant bits (MSb); the other
12 bits are literal data, usually a data memory address.
The use of ‘1111’ in the 4 MSbs of an instruction
specifies a special form of NOP. If the instruction is
executed in proper sequence – immediately after the
first word – the data in the second word is accessed
EXAMPLE 3-4:
DS41350E-page 34
CASE 1:
Object Code
CASE 2:
Object Code
0110 0110 0000 0000
1100 0001 0010 0011
1111 0100 0101 0110
0010 0100 0000 0000
0110 0110 0000 0000
1100 0001 0010 0011
1111 0100 0101 0110
0010 0100 0000 0000
Section 3.1.1 “Program
shows an example of how instruction words
INSTRUCTIONS IN PROGRAM
MEMORY
TWO-WORD INSTRUCTIONS
Instruction 1:
Instruction 2:
Instruction 3:
INSTRUCTIONS IN PROGRAM MEMORY
TWO-WORD INSTRUCTIONS
Program Memory
Byte Locations
MOVLW
GOTO
MOVFF
Source Code
TSTFSZ
Source Code
MOVFF
ADDWF
TSTFSZ
MOVFF
ADDWF
Counter”).
055h
0006h
123h, 456h
REG1
REG1, REG2 ; No, skip this word
REG3
REG1
REG1, REG2 ; Yes, execute this word
REG3
Preliminary
LSB = 1
; is RAM location 0?
; Execute this word as a NOP
; continue code
; is RAM location 0?
; 2nd word of instruction
; continue code
EFh
C1h
0Fh
F0h
F4h
The CALL and GOTO instructions have the absolute
program
instruction. Since instructions are always stored on word
boundaries, the data contained in the instruction is a
word address. The word address is written to PC<20:1>,
which accesses the desired byte address in program
memory. Instruction #2 in
instruction GOTO
memory. Program branch instructions, which encode a
relative address offset, operate in the same manner. The
offset value stored in a branch instruction represents the
number of single-word instructions that the PC will be
offset by.
provides further details of the instruction set.
and used by the instruction sequence. If the first word
is skipped for some reason and the second word is
executed by itself, a NOP is executed instead. This is
necessary for cases when the two-word instruction is
preceded by a conditional instruction that changes the
PC.
Note:
Example 3-4
LSB = 0
Section 25.0 “Instruction Set Summary”
memory
55h
03h
00h
23h
56h
See
Execution and the Extended Instruc-
tion Set”
instructions in the extended instruction set.
shows how this works.
Section 3.6 “PIC18 Instruction
0006h is encoded in the program
Word Address
address
00000Ah
00000Ch
00000Eh
000000h
000002h
000004h
000006h
000008h
000010h
000012h
000014h
for information on two-word
2010 Microchip Technology Inc.
Figure 3-4
embedded
shows how the
into
the
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