SAF-C517A Infineon Technologies AG, SAF-C517A Datasheet - Page 18

• Manufacturer Part Number: SAF-C517A
• Description: 8-bit CMOS MICROCONTROLLER
• Manufacturer: Infineon Technologies AG

Memory Organization
The C517A CPU manipulates operands in the following five address spaces:
Figure 6 illustrates the memory address spaces of the C517A.
Figure 6
C517A Memory Map
Semiconductor Group
– up to 64 Kbyte of program memory (32K on-chip program memory for C517A-4R)
– up to 64 Kbyte of external data memory
– 256 bytes of internal data memory
– 2K bytes of internal XRAM data memory
– a 128 byte special function register area
(EA = 1)
int.
"Code Space"
ext.
(EA = 0)
ext.
FFFF
8000
H
H
7FFF
0000
H
H
(XMAP0 = 0)
int.
"Data Space"
ext.
(XMAP0 = 1)
16
ext.
F7FF
0000
H
H
FFFF
F800
H
H
Address
Indirect
Internal
RAM
"Internal Data Space"
Internal
FF H
80
RAM
H
Function
Address
Special
Direct
Regs.
7F
00
H
H
MCB03321
C517A
FF
80
H
H