PIC18F14K22-E/P Microchip Technology, PIC18F14K22-E/P Datasheet - Page 179
![IC MCU 8BIT 16KB FLASH 20DIP](/photos/12/13/121303/150-20-dip_sml.jpg)
PIC18F14K22-E/P
Manufacturer Part Number
PIC18F14K22-E/P
Description
IC MCU 8BIT 16KB FLASH 20DIP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC18LF13K22-ISS.pdf
(388 pages)
3.PIC18F14K22-EP.pdf
(4 pages)
Specifications of PIC18F14K22-E/P
Program Memory Type
FLASH
Program Memory Size
16KB (8K x 16)
Package / Case
20-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
17
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
18
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
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, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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15.0
The Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) module is a serial I/O
communications peripheral. It contains all the clock
generators, shift registers and data buffers necessary
to perform an input or output serial data transfer
independent of device program execution. The
EUSART, also known as a Serial Communications
Interface (SCI), can be configured as a full-duplex
asynchronous system or half-duplex synchronous
system.
communications with peripheral systems, such as CRT
terminals
Synchronous mode is intended for communications
with peripheral devices, such as A/D or D/A integrated
circuits, serial EEPROMs or other microcontrollers.
These devices typically do not have internal clocks for
baud rate generation and require the external clock
signal provided by a master synchronous device.
FIGURE 15-1:
2010 Microchip Technology Inc.
BRG16
Baud Rate Generator
SPBRGH
ENHANCED UNIVERSAL
SYNCHRONOUS
ASYNCHRONOUS RECEIVER
TRANSMITTER (EUSART)
and
Full-Duplex
SPBRG
personal
+ 1
EUSART TRANSMIT BLOCK DIAGRAM
F
Multiplier
OSC
BRG16
mode
SYNC
BRGH
computers.
TXEN
1 X 0 0
X 1 1 0
X 1 0 1
÷ n
x4
is
n
x16 x64
useful
Half-Duplex
0
0
0
MSb
(8)
Preliminary
for
Transmit Shift Register (TSR)
TX9D
PIC18F1XK22/LF1XK22
TXREG Register
• • •
TX9
The EUSART module includes the following capabilities:
• Full-duplex asynchronous transmit and receive
• Two-character input buffer
• One-character output buffer
• Programmable 8-bit or 9-bit character length
• Address detection in 9-bit mode
• Input buffer overrun error detection
• Received character framing error detection
• Half-duplex synchronous master
• Half-duplex synchronous slave
• Programmable clock and data polarity
The EUSART module implements the following
additional features, making it ideally suited for use in
Local Interconnect Network (LIN) bus systems:
• Automatic detection and calibration of the baud rate
• Wake-up on Break reception
• 13-bit Break character transmit
Block diagrams of the EUSART transmitter and
receiver are shown in Figure 15-1 and Figure 15-2.
8
Data Bus
TRMT
LSb
0
TXIF
TXIE
Pin Buffer
and Control
SPEN
DS41365D-page 179
Interrupt
TX/CK pin
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