PIC18F4420T-I/PT Microchip Technology, PIC18F4420T-I/PT Datasheet - Page 208
PIC18F4420T-I/PT
Manufacturer Part Number
PIC18F4420T-I/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,44PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2420-IML.pdf
(412 pages)
3.PIC18F2420-IML.pdf
(16 pages)
4.PIC18F2420-IML.pdf
(8 pages)
5.PIC18F2420-IML.pdf
(6 pages)
6.PIC18F2420-IML.pdf
(8 pages)
7.PIC18F2420-IML.pdf
(4 pages)
Specifications of PIC18F4420T-I/PT
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
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)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4420T-I/PT
Manufacturer:
MICROCHIP
Quantity:
4 000
Company:
Part Number:
PIC18F4420T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC18F2221-ISO PDF datasheet
- PIC18F2420-IML PDF datasheet #2
- PIC18F2420-IML PDF datasheet #3
- PIC18F2420-IML PDF datasheet #4
- PIC18F2420-IML PDF datasheet #5
- PIC18F2420-IML PDF datasheet #6
- PIC18F2420-IML PDF datasheet #7
- Current page: 208 of 412
- Download datasheet (7Mb)
PIC18F2420/2520/4420/4520
EXAMPLE 18-1:
TABLE 18-2:
DS39631E-page 206
TXSTA
RCSTA
BAUDCON ABDOVF
SPBRGH
SPBRG
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the BRG.
For a device with F
Desired Baud Rate
Solving for SPBRGH:SPBRG:
Calculated Baud Rate = 16000000/(64 (25 + 1))
Error
Name
X
EUSART Baud Rate Generator Register High Byte
EUSART Baud Rate Generator Register Low Byte
CSRC
SPEN
Bit 7
REGISTERS ASSOCIATED WITH BAUD RATE GENERATOR
OSC
CALCULATING BAUD RATE ERROR
= F
= ((F
= ((16000000/9600)/64) – 1
= [25.042] = 25
= 9615
= (Calculated Baud Rate – Desired Baud Rate)/Desired Baud Rate
= (9615 – 9600)/9600 = 0.16%
of 16 MHz, desired baud rate of 9600, Asynchronous mode, 8-bit BRG:
RCIDL
Bit 6
OSC
RX9
TX9
OSC
/(64 ([SPBRGH:SPBRG] + 1))
/Desired Baud Rate)/64) – 1
RXDTP
TXEN
SREN
Bit 5
TXCKP
SYNC
CREN
Bit 4
SENDB
ADDEN
BRG16
Bit 3
BRGH
FERR
Bit 2
—
OERR
TRMT
WUE
Bit 1
© 2008 Microchip Technology Inc.
ABDEN
RX9D
TX9D
Bit 0
Reset Values
on page
51
51
51
51
51
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