PIC18F23K20-E/SP Microchip Technology, PIC18F23K20-E/SP Datasheet - Page 37

• Manufacturer Part Number: PIC18F23K20-E/SP
• Description: 8 KB Enh Flash, 768 RAM, 25 I/O Pb Free, Nanowatt XLP 28 SPDIP .300in TUBE
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F23K20-E/SP

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 5-4:
© 2009 Microchip Technology Inc.
Legend:
PIC18FX6K20
Device
Item
CONFIGx = Configuration Word
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
Code-
CHECKSUM COMPUTATION (CONTINUED)
None
Block
Boot/
Boot
All
= Addition
= Bit-wise AND
Description
SUM[0000:07FF]+SUM[0800:3FFF]+SUM[4000:7FFF]+
SUM[8000:BFFF]+SUM[C000:FFFF]+(CONFIG1L & 00h)+
(CONFIG1H & CFh)+(CONFIG2L & 1Fh)+(CONFIG2H & 1F)+
(CONFIG3L & 00h)+(CONFIG3H & 8Fh)+(CONFIG4L & C5h)+
(CONFIG4H & 00h)+(CONFIG5L & 0Fh)+(CONFIG5H & C0h)+
(CONFIG6L & 0Fh)+(CONFIG6H & E0h)+(CONFIG7L & 0Fh)+
(CONFIG7H & 40h)
SUM[0800:3FFF]+SUM[4000:7FFF]+SUM[8000:BFFF]+SUM[C000:FFF
F]+
(CONFIG1L & 00h)+(CONFIG1H & CFh)+(CONFIG2L & 1Fh)+
(CONFIG2H & 1F)+(CONFIG3L & 00h)+(CONFIG3H & 8Fh)+
(CONFIG4L & C5h)+(CONFIG4H & 00h)+(CONFIG5L & 0Fh)+
(CONFIG5H & C0h)+(CONFIG6L & 0Fh)+(CONFIG6H & E0h)+
(CONFIG7L & 0Fh)+(CONFIG7H & 40h)+SUM_ID
SUM[3000:BFFF]+SUM[C000:FFFF]+(CONFIG1L & 00h)+
(CONFIG1H & CFh)+(CONFIG2L & 1Fh)+(CONFIG2H & 1F)+
(CONFIG3L & 00h)+(CONFIG3H & 8Fh)+(CONFIG4L & C5h)+
(CONFIG4H & 00h)+(CONFIG5L & 0Fh)+(CONFIG5H & C0h)+
(CONFIG6L & 0Fh)+(CONFIG6H & E0h)+(CONFIG7L & 0Fh)+
(CONFIG7H & 40h)+SUM_ID
(CONFIG1L & 00h)+(CONFIG1H & CFh)+(CONFIG2L & 1Fh)+
(CONFIG2H & 1F)+(CONFIG3L & 00h)+(CONFIG3H & 8Fh)+
(CONFIG4L & C5h)+(CONFIG4H & 00h)+(CONFIG5L & 0Fh)+
(CONFIG5H & C0h)+(CONFIG6L & 0Fh)+(CONFIG6H & E0h)+
(CONFIG7L & 0Fh)+(CONFIG7H & 40h)+SUM_ID
Advance Information
Checksum
PIC18F2XK20/4XK20
0B2Dh
0362h
832Ah
031Eh
Blank
Value
DS41297F-page 37
0xAA at 0
and Max
Address
0AE2h
82DFh
02B8h
0328h