PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 267

• Manufacturer Part Number: PIC18F2420
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 23-7:
FIGURE 23-8:
 2004 Microchip Technology Inc.
TBLPTR = 0008FFh
Results: Table reads permitted within Blockn, even when EBTRBn = 0.
Results: All table reads from external blocks to Blockn are disabled whenever EBTRn = 0.
TBLPTR = 0008FFh
Register Values
Register Values
PC = 001FFEh
PC = 003FFEh
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
PIC18F2420/2520/4420/4520
Program Memory
TBLRD*
Preliminary
TBLRD*
000000h
0007FFh
000800h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
000000h
0007FFh
000800h
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
WRTB, EBTRB = 11
WRT0, EBTR0 = 10
WRT0, EBTR0 = 10
WRT1, EBTR1 = 11
WRT2, EBTR2 = 11
WRT3, EBTR3 = 11
DS39631A-page 265