3-1
CHAPTER 3ADDRESS SPACE

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

8XC196Kx.

3.1 ADDRESS 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
Description Addressing
Modes
CA
JR, KR
LD
LA, LB
JT, KT
JV
FFFF
A000 FFFF
6000 FFFF
6000 FFFF
8000 FFFF
A000 FFFF
E000
External device (memory
or I/O) connected to
address/data bus
Indirect or
indexed
9FFF
2080 5FFF
2080 5FFF
2080 7FFF
2080 9FFF
2080 DFFF
2080
Program memory
(internal nonvolatile or
external memory); see
Note 1
Indirect or
indexed
207F
2000 207F
2000 207F
2000 207F
2000 207F
2000 207F
2000
Special-purpose memory
(internal nonvolatile or
external memory)
Indirect or
indexed
1FFF
1FE0 1FFF
1FE0 1FFF
1FE0 1FFF
1FE0 1FFF
1FE0 1FFF
1FE0 Memory-mapped SFRs Indirect or
indexed
1FDF
1F00 1FDF
1F00 1FDF
1F00 1FDF
1F00 1FDF
1F00 1FDF
1F00
Peripheral SFRs
(Includes J1850 SFRs on
87C196LB)
Indirect,
indexed, or
windowed
direct
1EFF
1E00 —————CAN SFRs
Indirect,
indexed, or
windowed
direct
1DFF
1C00 1EFF
1C00 1EFF
1C00 1EFF
0300 1EFF
1C00 1EFF
1E00
External device (memory
or I/O) connected to
address/data bus;
(future SFR expansion;
see Note 2)
Indirect or
indexed
—————
1DFF
1C00 Register RAM
Indirect,
indexed, or
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.