PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 36

• Manufacturer Part Number: PIC18F4431-E/ML
• Description: IC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/ML

• 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
• 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 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
TABLE 5-5:
DS30500B-page 36
Legend: Item
PIC18F4331
Device
CFGW
SUM[a:b] = Sum of locations, a to b inclusive
SUM_ID = Byte-wise sum of lower four bits of all customer ID locations
+
&
Block 0/
Protect
Block 1
Block/
Code
Block
None
CHECKSUM COMPUTATION (CONTINUED)
Boot
Boot
All
= Configuration Word
= Addition
= Bit-wise AND
Description
SUM(0000:01FF)+SUM(0200:0FFF)+SUM(1000:1FFF)+
(CONFIG0 & 0000)+(CONFIG1 & 00CF)+(CONFIG2 & 000F)+
(CONFIG3 & 003F)+(CONFIG4 & 003C)+(CONFIG5 & 009D)+
(CONFIG6 & 0085)+(CONFIG7 & 0000)+(CONFIG8 & 0003)+
(CONFIG9 & 0003)+(CONFIG10 & 00E0)+(CONFIG11 & 0003)+
(CONFIG12 & 0040)+(CONFIG13 & 0000)
SUM(0200:0FFF)+SUM(1000:1FFF)+(CONFIG0 & 0000)+
(CONFIG1 & 00CF)+(CONFIG2 & 000F)+(CONFIG3 & 003F)+
(CONFIG4 & 003C)+(CONFIG5 & 009D)+(CONFIG6 & 0085)+
(CONFIG7 & 0000)+(CONFIG8 & 0003)+(CONFIG9 & 0003)+
(CONFIG10 & 00E0)+(CONFIG11 & 0003)+(CONFIG12 & 0040)+
(CONFIG13 & 0000)+SUM(IDs)
(CONFIG0 & 0000)+(CONFIG1 & 00CF)+(CONFIG2 & 000F)+
(CONFIG3 & 003F)+(CONFIG4 & 003C)+(CONFIG5 & 009D)+
(CONFIG6 & 0085)+(CONFIG7 & 0000)+(CONFIG8 & 0003)+
(CONFIG9 & 0003)+(CONFIG10 & 00E0)+(CONFIG11 & 0003)+
(CONFIG12 & 0040)+(CONFIG13 & 0000)+SUM(IDs)
(CONFIG0 & 0000)+(CONFIG1 & 00CF)+(CONFIG2 & 000F)+
(CONFIG3 & 003F)+(CONFIG4 & 003C)+(CONFIG5 & 009D)+
(CONFIG6 & 0085)+(CONFIG7 & 0000)+(CONFIG8 & 0003)+
(CONFIG9 & 0003)+(CONFIG10 & 00E0)+(CONFIG11 & 0003)+
(CONFIG12 & 0040)+(CONFIG13 & 0000)+SUM(IDs)
Checksum
 2010 Microchip Technology Inc.
Blank
Value
E3A4
E5C3
03C0
03C0
0xAA at 0
and Max
Address
03CA
03CA
E2FA
E578