PIC18F452I/L Microchip Technology, PIC18F452I/L Datasheet - Page 211

• Manufacturer Part Number: PIC18F452I/L
• Description: IC, 8BIT MCU, PIC18F, 40MHZ, LCC-44
• Manufacturer: Microchip Technology

Specifications of PIC18F452I/L

• Controller Family/series: PIC18
• No. Of I/o's: 34
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Core Size: 8 Bit
• Program Memory Size: 16 KWords
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 19-5:
FIGURE 19-6:
© 2006 Microchip Technology Inc.
Results: All Table Reads from external blocks to Blockn are disabled whenever EBTRn = ‘0’.
Register Values
TBLPTR = 000FFF
Register Values
TBLPTR = 000FFF
Results: Table Reads permitted within Blockn, even when EBTRBn = ‘0’.
PC = 002FFE
PC = 001FFE
TABLAT register returns a value of “0”.
TABLAT register returns the value of the data at the location TBLPTR.
EXTERNAL BLOCK TABLE READ (EBTRn) DISALLOWED
EXTERNAL BLOCK TABLE READ (EBTRn) ALLOWED
Program Memory
Program Memory
TBLRD *
TBLRD *
000000h
000200h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
0001FFh
000000h
0001FFh
000200h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
Configuration Bit Settings
Configuration Bit Settings
WRT1,EBTR1 = 11
WRT2,EBTR2 = 11
WRT3,EBTR3 = 11
WRTB,EBTRB = 11
WRT0,EBTR0 = 10
WRTB,EBTRB = 11
PIC18FXX2
WRT0,EBTR0 = 10
WRT1,EBTR1 = 11
WRT2,EBTR2 = 11
WRT3,EBTR3 = 11
DS39564C-page 209