PIC18F4220-E/P Microchip Technology, PIC18F4220-E/P Datasheet - Page 197
![IC MCU FLASH 2KX16 EEPROM 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC18F4220-E/P
Manufacturer Part Number
PIC18F4220-E/P
Description
IC MCU FLASH 2KX16 EEPROM 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F1320-ISS.pdf
(36 pages)
3.PIC18F2220-ISO.pdf
(394 pages)
4.PIC18F2220-ISO.pdf
(6 pages)
5.PIC18F2220-ISO.pdf
(6 pages)
6.PIC18F2220-ISO.pdf
(8 pages)
7.PIC18F2220-ISO.pdf
(6 pages)
8.PIC18F2220-ISO.pdf
(6 pages)
Specifications of PIC18F4220-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LDACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4220-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F1320-ISS PDF datasheet #2
- PIC18F2220-ISO PDF datasheet #3
- PIC18F2220-ISO PDF datasheet #4
- PIC18F2220-ISO PDF datasheet #5
- PIC18F2220-ISO PDF datasheet #6
- PIC18F2220-ISO PDF datasheet #7
- PIC18F2220-ISO PDF datasheet #8
- Current page: 197 of 394
- Download datasheet (7Mb)
18.0
The Universal Synchronous Asynchronous Receiver
Transmitter (USART) module is one of the two serial
I/O modules available in the PIC18F2X20/4X20 family
of microcontrollers. (USART is also known as a Serial
Communications Interface or SCI.) The USART can be
configured as a full-duplex asynchronous system that
can communicate with peripheral devices, such as
CRT terminals and personal computers, or it can be
configured as a half-duplex synchronous system that
can communicate with peripheral devices, such as A/D
or D/A integrated circuits, serial EEPROMs, etc.
The USART can be configured in the following modes:
• Asynchronous (full-duplex)
• Synchronous – Master (half-duplex)
• Synchronous – Slave (half-duplex)
The RC6/TX/CK and RC7/RX/DT pins must be config-
ured as shown for use with the Universal Synchronous
Asynchronous Receiver Transmitter:
• SPEN (RCSTA<7>) bit must be set (= 1)
• TRISC<7> bit must be set (= 1)
• TRISC<6> bit must be cleared (= 0)
Register 18-1 shows the Transmit Status and Control
register (TXSTA) and Register 18-2 shows the Receive
Status and Control register (RCSTA).
© 2007 Microchip Technology Inc.
ADDRESSABLE UNIVERSAL
SYNCHRONOUS
ASYNCHRONOUS RECEIVER
TRANSMITTER (USART)
PIC18F2220/2320/4220/4320
18.1
The USART may operate in Asynchronous mode while
the peripheral clocks are being provided by the internal
oscillator block. This mode makes it possible to remove
the crystal or resonator that is commonly connected as
the primary clock on the OSC1 and OSC2 pins.
The factory calibrates the internal oscillator block out-
put (INTOSC) for 8 MHz. However, this frequency may
drift as V
affects the asynchronous baud rate. Two methods may
be used to adjust the baud rate clock, but both require
a reference clock source of some kind.
The first (preferred) method uses the OSCTUNE
register to adjust the INTOSC output back to 8 MHz.
Adjusting the value in the OSCTUNE register allows for
fine resolution changes to the system clock source (see
Section 3.6 “INTOSC Frequency Drift” for more
information).
The other method adjusts the value in the Baud Rate
Generator since there may be not be fine enough res-
olution when adjusting the Baud Rate Generator to
compensate for a gradual change in the peripheral
clock frequency.
Asynchronous Operation in
Power-Managed Modes
DD
or temperature changes and this directly
DS39599G-page 195
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