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XC2723X Datasheet, PDF (28/109 Pages) Infineon Technologies AG – 16/32-Bit Single-Chip Microcontroller with 32-Bit Performance
XC2723X
XC2000 Family / Econo Line
Functional Description
3.1
Memory Subsystem and Organization
The memory space of the XC2723X is configured in the von Neumann architecture. In
this architecture all internal and external resources, including code memory, data
memory, registers and I/O ports, are organized in the same linear address space.
Table 8
XC2723X Memory Map 1)
Address Area
Start Loc. End Loc. Area Size2) Notes
IMB register space
Reserved
FF’FF00H FF’FFFFH 256 bytes
F0’0000H FF’FEFFH < 1 Mbyte
Minus IMB
registers.
Reserved for EPSRAM
Emulated PSRAM
Reserved for PSRAM
PSRAM
Reserved for Flash
Flash 1
Reserved for Flash
Flash 0
External memory area
External IO area4)
Reserved
USIC0-1 alternate regs.
E8’1000H
E8’0000H
E0’1000H
E0’0000H
C4’8000H
C4’0000H
C2’1000H
C0’0000H
40’0000H
21’0000H
20’B800H
20’B000H
EF’FFFFH
E8’0FFFH
E7’FFFFH
E0’0FFFH
DF’FFFFH
C4’7FFFH
C3’FFFFH
C2’0FFFH
BF’FFFFH
3F’FFFFH
20’FFFFH
20’B7FFH
508 Kbytes Mirrors EPSRAM
up to 4 Kbytes With Flash timing.
508 Kbytes Mirrors PSRAM
up to 4 Kbytes Program SRAM.
1760 Kbytes
32 Kbytes
124 Kbytes
132 Kbytes3)
8 Mbytes
1984 Kbytes
18 Kbytes
2 Kbytes
Accessed via
LXBus Controller
MultiCAN alternate regs. 20’8000H 20’AFFFH 12 Kbytes
Accessed via
LXBus Controller
Reserved
USIC0-1 registers
20’5000H 20’7FFFH 12 Kbytes
20’4000H 20’4FFFH 4 Kbytes
Accessed via
LXBus Controller
MultiCAN registers
20’0000H 20’3FFFH 16 Kbytes
Accessed via
LXBus Controller
External memory area
SFR area
Dual-port RAM
(DPRAM)
01’0000H
00’FE00H
00’F600H
1F’FFFFH
00’FFFFH
00’FDFFH
1984 Kbytes
0.5 Kbytes
2 Kbytes
Reserved for DPRAM 00’F200H 00’F5FFH 1 Kbytes
Data Sheet
24
V1.2, 2012-07