PIC18F2431T-I/MM Microchip Technology, PIC18F2431T-I/MM Datasheet - Page 18
![16 KB Flash, 768 RAM, 22 I/O 28 QFN-S 6x6m T/R](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC18F2431T-I/MM
Manufacturer Part Number
PIC18F2431T-I/MM
Description
16 KB Flash, 768 RAM, 22 I/O 28 QFN-S 6x6m T/R
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)
Specifications of PIC18F2431T-I/MM
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
24
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 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB18F4431 - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2431T-I/MM
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
PIC18F2331/2431/4331/4431
TABLE 3-6:
DS30500B-page 18
Step 1: Direct access to data EEPROM.
Step 2: Set the data EEPROM Address Pointer.
Step 3: Load the data to be written.
Step 4: Enable memory writes.
Step 5: Perform required sequence.
Step 6: Initiate write.
Step 7: Poll WR bit, repeat until the bit is clear.
Step 8: Disable writes.
Repeat steps 2 through 8 to write more data.
Note 1:
Command
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0010
0000
4-Bit
See Figure 4-4 for details on shift out data timing.
9E A6
9C A6
0E <Addr>
6E A9
OE <AddrH>
6E AA
0E <Data>
6E A8
84 A6
0E 55
6E A7
0E AA
6E A7
82 A6
50 A6
6E F5
<LSB><MSB>
94 A6
PROGRAMMING DATA MEMORY
Data Payload
BCF EECON1, EEPGD
BCF EECON1, CFGS
MOVLW <Addr>
MOVWF EEADR
MOVLW <AddrH>
MOVWF EEADRH
MOVLW <Data>
MOVWF EEDATA
BSF EECON1, WREN
MOVLW 0X55
MOVWF EECON2
MOVLW 0XAA
MOVWF EECON2
BSF EECON1, WR
MOVF EECON1, W, 0
MOVWF TABLAT
Shift out data
BCF EECON1, WREN
(1)
Core Instruction
2010 Microchip Technology Inc.