saf-xc878m-16ffi5v Infineon Technologies Corporation, saf-xc878m-16ffi5v Datasheet - Page 29

• Manufacturer Part Number: saf-xc878m-16ffi5v
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Infineon Technologies Corporation

3.2
The XC87x CPU operates in the following address spaces:
•
•
•
•
•
Figure 7
64Kbytes and 52Kbytes embedded Flash respectively.
Figure 7
Data Sheet
Bank 1
Bank E
Bank D
Bank C
Bank B
Bank A
Bank 9
Bank 8
Bank 7
Bank 6
Bank 5
Bank 4
Bank 3
8 Kbytes of Boot ROM program memory
256 bytes of internal RAM data memory
3 Kbytes of XRAM memory
(XRAM can be read/written as program memory or external data memory)
A 128-byte Special Function Register area
64/52 Kbytes of Flash program memory (Flash devices)
Code Space
Reserved
Boot ROM
Reserved
Reserved
Reserved
Reserved
60 KByte
External
External
3 KByte
D-Flash
4 KByte
P-Flash
8 KByte
XRAM
and
Memory Organization
Memory Map of XC87x with 64K Flash Memory in user mode
Figure 8
D' 0000
C' 0000
2' FE00
2' FC00
2' C000
F' FFFF
F' 0000
E' FFFF
E' 0000
D' FFFF
C' FFFF
B' FFFF
B' 0000
A' FFFF
A' 0000
9' FFFF
9' 0000
8' FFFF
8' 0000
7' FFFF
7' 0000
6' FFFF
6' 0000
5' FFFF
5' 0000
4' FFFF
4' 0000
3' FFFF
3' 0000
2' FFFF
2' FEC0
2' F000
2' E000
2' 0000
1' FFFF
1' 0000
0' FFFF
0' F000
0' 0000
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
illustrate the memory address spaces of the XC87x with
Data Space
Reserved
Reserved
Reserved
Reserved
External
External
3 KByte
External
External
External
XRAM
F' FC00
D' 0000
C' 0000
2' FE00
2' FC00
2' C000
F' FFFF
F' F000
F' 0000
E' FFFF
E' 0000
D' FFFF
C' FFFF
B' FFFF
B' 0000
A' FFFF
A' 0000
9' FFFF
9' 0000
8' FFFF
8' 0000
7' FFFF
7' 0000
6' FFFF
6' 0000
5' FFFF
5' 0000
4' FFFF
4' 0000
3' FFFF
3' 0000
2' FFFF
2' FEC0
2' F000
2' E000
2' 0000
1' FFFF
1' 0000
0' FFFF
0' 0000
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
22
Extension Stack RAM
Memory Extension
Stack Pointer
(MEXSP)
Internal RAM
Address
Indirect
Functional Description
Internal Data Space
Internal RAM
Special Function
XC87xCLM
Registers
Address
V1.5, 2011-03
Direct
7F
00
Memory Map User Mode
H
H
FF
80
H
H