I2CCON datasheet(29/210 Pages) MICROCHIP

29 / 210 page

DS70139G-page 29

dsPIC30F2011/2012/3012/3013

3.0

MEMORY ORGANIZATION

3.1

Program Address Space

The program address space is 4M instruction words.

The

program

space

memory

maps

for

the

dsPIC30F2011/2012/3012/3013 devices is shown in

Figure 3-1.

Program memory is addressable by a 24-bit value from

either the 23-bit PC, table instruction Effective Address

(EA), or data space EA, when program space is

mapped into data space as defined by Table 3-1. Note

that the program space address is incremented by two

between successive program words in order to provide

compatibility with data space addressing.

User program space access is restricted to the lower

4M instruction word address range (0x000000 to

0x7FFFFE) for all accesses other than TBLRD/TBLWT,

which uses TBLPAG<7> to determine user or configu-

ration space access. In Table 3-1, Program Space

Address Construction, bit 23 allows access to the

Device ID, the User ID and the Configuration bits.

Otherwise, bit 23 is always clear.

Note:

This data sheet summarizes features of

this group of dsPIC30F devices and is not

intended to be a complete reference

source. For more information on the CPU,

peripherals,

descriptions

and

general device functionality, refer to the

“dsPIC30F Family Reference Manual”

(DS70046). For more information on the

device instruction set and programming,

refer to the “16-bit MCU and DSC

Programmer’s

Reference

Manual”

(DS70157).

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