PIC18F4431-E/P Microchip Technology, PIC18F4431-E/P Datasheet - Page 51
PIC18F4431-E/P
Manufacturer Part Number
PIC18F4431-E/P
Description
IC MCU FLASH 8KX16 40DIP
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.PIC18F4331-EP.pdf
(400 pages)
Specifications of PIC18F4431-E/P
Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Core Processor
PIC
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
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 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Controller Family/series
PIC18
No. Of I/o's
36
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
No. Of Timers
4
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
1 x 8
Operating Supply Voltage
2 V to 5.5 V
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, PG164120, ICE2000, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
9 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LDACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / Rohs Status
Details
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4431-E/P
Manufacturer:
MICROCHIP
Quantity:
1 785
Company:
Part Number:
PIC18F4431-E/P
Manufacturer:
Microchip Technology
Quantity:
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Part Number:
PIC18F4431-E/PT
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Quantity:
24 000
Company:
Part Number:
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Manufacturer:
Microchip Technology
Quantity:
10 000
- 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
- PIC18F4331-EP PDF datasheet #8
- Current page: 51 of 400
- Download datasheet (7Mb)
4.6
On power-up, the time-out sequence is as follows:
First, after the POR pulse has cleared, PWRT time-out
is invoked (if enabled). Then, the OST is activated. The
total time-out will vary based on oscillator configuration
and the status of the PWRT. For example, in RC mode
with the PWRT disabled, there will be no time-out at all.
Figures 4-3 through 4-7 depict time-out sequences on
power-up.
TABLE 4-1:
REGISTER 4-1:
TABLE 4-2:
© 2007 Microchip Technology Inc.
HSPLL
HS, XT, LP
EC, ECIO
RC, RCIO
INTIO1, INTIO2
Note 1:
Power-on Reset
RESET Instruction
Brown-out
MCLR Reset during power-managed
Run modes
MCLR Reset during power-managed Idle
and Sleep modes
WDT Time-out during full power or
power-managed Run modes
MCLR Reset during full power execution
Stack Full Reset (STVREN = 1)
Stack Underflow Reset (STVREN = 1)
Stack Underflow Error (not an actual
Reset, STVREN = 0)
WDT time-out during power-managed Idle
or Sleep modes
Interrupt exit from power-managed modes
Legend:
Note 1:
Configuration
2:
Oscillator
Time-out Sequence
66 ms (65.5 ms) is the nominal Power-up Timer (PWRT) delay.
2 ms is the nominal time required for the 4x PLL to lock.
u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’.
When the wake-up is due to an interrupt and the GIEH or GIEL bits are set, the PC is loaded with the
interrupt vector (0x000008h or 0x000018h).
Condition
TIME-OUT IN VARIOUS SITUATIONS
STATUS BITS, THEIR SIGNIFICANCE AND THE INITIALIZATION CONDITION FOR
RCON REGISTER
RCON REGISTER BITS AND POSITIONS
bit 7
Note:
R/W-0
IPEN
66 ms
66 ms
(1)
Refer to Section 5.14 “RCON Register” for bit definitions.
PWRTEN = 0
+ 1024 T
(1)
66 ms
66 ms
66 ms
U-0
—
+ 1024 T
Program
PC + 2
Counter
(1)
(1)
(1)
OSC
PC + 2
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
Power-up
PIC18F2331/2431/4331/4431
+ 2 ms
OSC
(1)
U-0
Preliminary
—
0--1 1100
0--0 uuuu
0--1 11u-
0--u 1uuu
0--u 10uu
0--u 0uuu
0--u uuuu
u--u uuuu
u--u 00uu
u--u u0uu
(2)
(2)
Register
RCON
and Brown-out
R/W-1
RI
Since the time-outs occur from the POR pulse, if MCLR
is kept low long enough, all time-outs will expire. Bring-
ing MCLR high will begin execution immediately
(Figure 4-5). This is useful for testing purposes or to
synchronize more than one PIC18FXXXX device
operating in parallel.
Table 4-2 shows the Reset conditions for some Special
Function Registers, while Table 4-3 shows the Reset
conditions for all the registers.
1024 T
PWRTEN = 1
RI
1
0
1
u
u
u
u
u
u
u
1024 T
OSC
TO
—
—
—
1
u
1
1
1
0
u
u
0
u
R-1
TO
+ 2 ms
OSC
PD
1
u
1
u
0
u
u
u
0
0
(2)
POR
0
u
u
u
u
u
u
u
u
u
R-1
PD
BOR STKFUL STKUNF
Power-Managed Mode
0
u
0
u
u
u
u
u
u
u
1024 T
R/W-0
POR
1024 T
Exit From
DS39616C-page 49
OSC
0
u
u
u
u
u
u
1
u
u
u
u
—
—
—
+ 2 ms
OSC
R/W-0
BOR
(2)
0
u
u
u
u
u
u
u
1
1
u
u
bit 0
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