Intel 8XC196Lx - Manual (Page 25)

3-1
CHAPTER 3
ADDRESS 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
L
A
, LB
JT
, K
T
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.