PIC18LF1320-I/SOSQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF1320-I/SOSQTP

18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F1220/1320

FIGURE 19-7:

EXTERNAL BLOCK TABLE READ (EBTRn) DISALLOWED: PIC18F1320

Register Values

Program Memory

Configuration Bit Settings

000000h

0001FFh

000200h

WRTB, EBTRB = 11

TBLPTR = 0002FFh

WRT0, EBTR0 = 10

000FFFh

001000h

PC = 001FFEh

TBLRD *

001FFFh

WRT1, EBTR1 = 11

Results: All table reads from external blocks to Blockn are disabled whenever EBTRn = 0.

TABLAT register returns a value of ‘0’.

FIGURE 19-8:

EXTERNAL BLOCK TABLE READ (EBTRn) ALLOWED: PIC18F1320

Register Values

Program Memory

000000h

0001FFh

000200h

Configuration Bit Settings

WRTB, EBTRB = 11

TBLPTR = 0002FFh

WRT0, EBTR0 = 10

PC = 0007FEh

TBLRD *

000FFFh

001000h

001FFFh

WRT1, EBTR1 = 11

Results: Table reads permitted within Blockn, even when EBTRBn = 0.

TABLAT register returns the value of the data at the location TBLPTR.

© 2007 Microchip Technology Inc.

DS39605F-page 187

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