CHAPTER 3

ADDRESS SPACE

This chapter describes the differences in the address space of the 8XC196Lx from that of the 8XC196Kx.

3.1ADDRESS PARTITIONS

Table 3-1 is an address map of the 8XC196Lx and 8XC196Kx microcontroller family members.

Table 3-1. Address Map

 

Device and Hex Address Range

 

 

 

 

 

 

 

 

 

 

 

 

 

Addressing

CA

KRJR,

LD

LBLA,

 

KTJT,

 

JV

Description

 

 

Modes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FFFF

FFFF

FFFF

FFFF

 

FFFF

 

FFFF

External device (memory

Indirect or

 

 

or I/O) connected to

A000

6000

6000

8000

 

A000

 

E000

indexed

 

 

address/data bus

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Program memory

 

9FFF

5FFF

5FFF

7FFF

 

9FFF

 

DFFF

(internal nonvolatile or

Indirect or

2080

2080

2080

2080

 

2080

 

2080

external memory); see

indexed

 

 

 

 

 

 

 

 

Note 1

 

207F

207F

207F

207F

 

207F

 

207F

Special-purpose memory

Indirect or

 

 

(internal nonvolatile or

2000

2000

2000

2000

 

2000

 

2000

indexed

 

 

external memory)

 

 

 

 

 

 

 

 

 

1FFF

1FFF

1FFF

1FFF

 

1FFF

 

1FFF

Memory-mapped SFRs

Indirect or

1FE0

1FE0

1FE0

1FE0

 

1FE0

 

1FE0

indexed

 

 

 

 

 

 

 

 

 

 

 

Peripheral SFRs

Indirect,

1FDF

1FDF

1FDF

1FDF

 

1FDF

 

1FDF

indexed, or

 

 

(Includes J1850 SFRs on

1F00

1F00

1F00

1F00

 

1F00

 

1F00

windowed

 

 

87C196LB)

 

 

 

 

 

 

 

 

direct

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indirect,

1EFF

 

CAN

SFRs

indexed, or

1E00

 

windowed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

direct

 

 

 

 

 

 

 

 

External device (memory

 

1DFF

1EFF

1EFF

1EFF

 

1EFF

 

1EFF

or I/O) connected to

Indirect or

 

 

address/data bus;

1C00

1C00

1C00

0300

 

1C00

 

1E00

indexed

 

 

(future SFR expansion;

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

see Note 2)

 

 

 

 

 

 

 

 

 

 

Indirect,

 

1DFF

Register RAM

indexed, or

 

1C00

windowed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

direct

NOTES:

1.After a reset, the device fetches its first instruction from 2080H.

2.The content or function of these locations may change in future device revisions, in which case a program that relies on a location in this range might not function properly.

3-1

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Intel 8XC196Lx, 8XC196Jx, 8XC196Kx, 87C196CA user manual Chapter Address Space, Address Partitions, Address Map