PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 59
PIC18F4431-E/PT
Manufacturer Part Number
PIC18F4431-E/PT
Description
IC 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.PIC18F4431-EPT.pdf
(396 pages)
Specifications of PIC18F4431-E/PT
Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Oscillator Type
Internal
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
Operating Temperature
-40°C ~ 125°C
Package / Case
44-TQFP, 44-VQFP
Controller Family/series
PIC18
No. Of I/o's
36
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4431-E/PT
Manufacturer:
JOHANSON
Quantity:
24 000
Company:
Part Number:
PIC18F4431-E/PT
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
- PIC18F4431-EPT PDF datasheet #8
- Current page: 59 of 396
- Download datasheet (8Mb)
5.0
There are three memory types in enhanced MCU
devices. These memory types are:
• Program Memory
• Data RAM
• Data EEPROM
Data and program memory use separate busses,
which allows for concurrent access of these types.
Additional detailed information for Flash program mem-
ory and data EEPROM is provided in Section 6.0
“Flash Program Memory” and Section 7.0 “Data
EEPROM Memory”, respectively.
FIGURE 5-1:
2003 Microchip Technology Inc.
CALL,RCALL,RETURN
RETFIE,RETLW
MEMORY ORGANIZATION
High Priority Interrupt Vector LSb
Low Priority Interrupt Vector LSb
Program Memory
Reset Vector LSb
On-Chip Flash
Stack Level 31
Stack Level 1
PC<20:0>
PROGRAM MEMORY MAP
AND STACK FOR
PIC18F2331/4331
Read ‘0’s
Unused -
21
000018h
1FFFFFh
000000h
000008h
001FFFh
002000h
PIC18F2331/2431/4331/4431
Preliminary
5.1
A 21-bit program counter is capable of addressing the
2-Mbyte program memory space. Accessing a location
between the physically implemented memory and the
2-Mbyte address will cause a read of all ‘0’s (a NOP
instruction).
The PIC18F2331 and PIC18F4331 each have
8 Kbytes of Flash memory and can store up to 4,096
single-word instructions.
The PIC18F2431 and PIC18F4431 each have
16 Kbytes of Flash memory and can store up to 8,192
single-word instructions.
The Reset vector address is at 000000h and the
interrupt vector addresses are at 000008h and
000018h.
The Program Memory Maps for PIC18F2X31 and
PIC18F4X31 devices are shown in Figure 5-1 and
Figure 5-2, respectively.
FIGURE 5-2:
CALL,RCALL,RETURN
RETFIE,RETLW
Program Memory Organization
High Priority Interrupt Vector LSb
Low Priority Interrupt Vector LSb
Reset Vector LSb
Program Memory
Stack Level 31
On-Chip Flash
Stack Level 1
PROGRAM MEMORY MAP
AND STACK FOR
PIC18F2431/4431
PC<20:0>
Unused -
Read ‘0’s
21
DS39616B-page 57
003FFFh
004000h
1FFFFFh
000018h
000000h
000008h
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