PIC18F4431-I/PT Microchip Technology, PIC18F4431-I/PT Datasheet - Page 30
PIC18F4431-I/PT
Manufacturer Part Number
PIC18F4431-I/PT
Description
IC PIC MCU FLASH 8KX16 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC18F2331-ISO.pdf
(392 pages)
4.PIC18F2331-ISO.pdf
(8 pages)
5.PIC18F2331-ISO.pdf
(6 pages)
6.PIC18F2331-ISO.pdf
(16 pages)
7.PIC18LF2331-ISO.pdf
(40 pages)
8.PIC18F2431-ISP.pdf
(396 pages)
Specifications of PIC18F4431-I/PT
Program Memory Type
FLASH
Program Memory Size
16KB (8K x 16)
Package / Case
44-TQFP, 44-VQFP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Number Of I /o
36
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
EUSART/I2C/SPI/SSP
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
36
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 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, PG164120, ICE2000, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
9-ch x 10-bit
Package
44TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4431-I/PT
Manufacturer:
MICROCHIP
Quantity:
1 400
Company:
Part Number:
PIC18F4431-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F4431-I/PT
Manufacturer:
MICROCHI
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC18F2331-ISO PDF datasheet #3
- PIC18F2331-ISO PDF datasheet #4
- PIC18F2331-ISO PDF datasheet #5
- PIC18F2331-ISO PDF datasheet #6
- PIC18LF2331-ISO PDF datasheet #7
- PIC18F2431-ISP PDF datasheet #8
- Current page: 30 of 396
- Download datasheet (8Mb)
PIC18F2331/2431/4331/4431
REGISTER 2-2:
2.7.2
The PIC18F2331/2431/4331/4431 devices contain
circuitry to prevent clocking “glitches” when switching
between clock sources. A short pause in the system
clock occurs during the clock switch. The length of this
pause is between 8 and 9 clock periods of the new
clock source. This ensures that the new clock source is
stable and that its pulse width will not be less than the
shortest pulse width of the two clock sources.
Clock transitions are discussed in greater detail in
Section 3.1.2 “Entering Power-Managed Modes”.
DS39616B-page 28
OSCILLATOR TRANSITIONS
bit 7
bit 6-4
bit 3
bit 2
bit 1-0
OSCCON REGISTER
bit 7
IDLEN: Idle Enable bit
1 = Idle mode enabled; CPU core is not clocked in power-managed modes
0 = Run mode enabled; CPU core is clocked in power-managed modes
IRCF2:IRCF0: Internal Oscillator Frequency Select bits
111 = 8 MHz (8 MHz source drives clock directly)
110 = 4 MHz
101 = 2 MHz
100 = 1 MHz
011 = 500 kHz
010 = 250 kHz
001 = 125 kHz
000 = 31 kHz (INTRC source drives clock directly)
OSTS: Oscillator Start-up Time-out Status bit
1 = Oscillator start-up time-out timer has expired; primary oscillator is running
0 = Oscillator start-up time-out timer is running; primary oscillator is not ready
IOFS: INTOSC Frequency Stable bit
1 = INTOSC frequency is stable
0 = INTOSC frequency is not stable
SCS1:SCS0: System Clock Select bits
1x = Internal oscillator block (RC modes)
01 = Timer1 oscillator (Secondary modes)
00 = Primary oscillator (Sleep and PRI_IDLE modes)
Legend:
R = Readable bit
- n = Value at POR
IDLEN
R/W-0
Note 1: Depends on state of the IESO bit in Configuration Register 1H.
IRCF2
R/W-0
R/W-0
IRCF1
Preliminary
W = Writable bit
‘1’ = Bit is set
R/W-0
IRCF0
OSTS
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R
(1)
IOFS
R-0
2003 Microchip Technology Inc.
x = Bit is unknown
R/W-0
SCS1
R/W-0
SCS0
bit 0
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