sak-c868p-1rr Infineon Technologies Corporation, sak-c868p-1rr Datasheet - Page 25

• Manufacturer Part Number: sak-c868p-1rr
• Description: 8 - Bit Cmos Microcontroller
• Manufacturer: Infineon Technologies Corporation

3
The C868 CPU manipulates operands in the following five address spaces:
Figure 3-1
Figure 3-1
The internal Self Test and Boot ROM overlaps the internal program memory in the
address range from 0000
(chipmode), either internal program memory or the internal Self Test and Boot ROM is
accessed in this address range.
User’s Manual
– up to 8 Kbyte of RAM internal program memory : 8K ROM for C868-1R
– 4 Kbyte of internal Self test and Boot ROM
– 256 bytes of internal data memory
– 256 bytes of internal XRAM data memory
– 128 byte special function register area
Self Test
and Boot
(4 KByte)
Internal
ROM
Memory Organization
illustrates the memory address spaces of the C868.
"Code Space"
C868 Memory Map
Internal
1FFF H
0000 H
H
to 0FFF
H
Internal
XRAM
"Data Space"
. Depending on the selected operating mode
3-1
FF00 H
FFFF H
: 8K RAM for C868-1S
"Internal Data Space"
indirect
Internal
addr.
RAM
Memory Organization
Internal
RAM
Function
Special
V 1.0, 2003-01
direct
addr.
Regs.
7F H
00 H
C868
80 H
FF H