PIC18LF2431-I/SP Microchip Technology, PIC18LF2431-I/SP Datasheet - Page 91
![IC MCU FLASH 8KX16 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18LF2431-I/SP
Manufacturer Part Number
PIC18LF2431-I/SP
Description
IC MCU FLASH 8KX16 28-DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16LF627A-IP.pdf
(8 pages)
3.PIC16F818-ISO.pdf
(6 pages)
4.PIC18F2331-ISO.pdf
(392 pages)
5.PIC18F2331-ISO.pdf
(8 pages)
6.PIC18F2331-ISO.pdf
(6 pages)
7.PIC18F2331-ISO.pdf
(16 pages)
8.PIC18LF2331-ISO.pdf
(4 pages)
9.PIC18LF2331-ISO.pdf
(40 pages)
10.PIC18F4331-EP.pdf
(400 pages)
Specifications of PIC18LF2431-I/SP
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
24
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Controller Family/series
PIC18
No. Of I/o's
24
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
No. Of Timers
4
Processor Series
PIC18LF
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
24
Number Of Timers
1 x 8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 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, DM183021, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
5 bit
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
- PIC16F616T-ISL PDF datasheet
- PIC16LF627A-IP PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC18F2331-ISO PDF datasheet #4
- PIC18F2331-ISO PDF datasheet #5
- PIC18F2331-ISO PDF datasheet #6
- PIC18F2331-ISO PDF datasheet #7
- PIC18LF2331-ISO PDF datasheet #8
- PIC18LF2331-ISO PDF datasheet #9
- PIC18F4331-EP PDF datasheet #10
- Current page: 91 of 392
- Download datasheet (4Mb)
8.5
The programming block size is 4 words or 8 bytes.
Word or byte programming is not supported.
Table writes are used internally to load the holding
registers needed to program the Flash memory. There
are 8 holding registers used by the table writes for
programming.
Since the Table Latch (TABLAT) is only a single byte,
the TBLWT instruction has to be executed 8 times for
each programming operation. All of the table write
operations will essentially be short writes, because only
the holding registers are written. At the end of updating
8 registers, the EECON1 register must be written to, to
start the programming operation with a long write.
FIGURE 8-5:
2010 Microchip Technology Inc.
TBLPTR = xxxxx0
Writing to Flash Program Memory
Holding Register
8
TABLE WRITES TO FLASH PROGRAM MEMORY
TBLPTR = xxxxx1
Holding Register
PIC18F2331/2431/4331/4431
8
Program Memory
Write Register
TBLPTR = xxxxx2
TABLAT
The long write is necessary for programming the
internal Flash. Instruction execution is halted while in a
long write cycle. The long write will be terminated by
the internal programming timer.
The EEPROM on-chip timer controls the write time.
The write/erase voltages are generated by an on-chip
charge pump, rated to operate over the voltage range
of the device.
Note:
Holding Register
8
operation.
The default value of the holding registers
on device Resets and after write operations
is FFh. A write of FFh to a holding register
does not modify that byte. This means that
individual bytes of program memory may
be modified, provided that the modification
does not attempt to change any bit from a
‘0’ to a ‘1’. When modifying individual
bytes, it is not necessary to load all 64 hold-
ing registers before executing a write
TBLPTR = xxxxx7
Holding Register
DS39616D-page 91
8
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