SAF-C164SM Infineon Technologies, SAF-C164SM Datasheet - Page 189
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SAF-C164SM
Manufacturer Part Number
SAF-C164SM
Description
16-Bit CMOS Microcontroller
Manufacturer
Infineon Technologies
Datasheet
1.SAF-C164SM.pdf
(470 pages)
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Definition of Address Areas
The four register pairs BUSCON4/ADDRSEL4 … BUSCON1/ADDRSEL1 allow
definition of four separate address areas within the address space of the C164CM.
Within each of these address areas, external accesses can be controlled by one of the
four different bus modes. They are independent of each other and of the bus mode
specified in register BUSCON0. Each ADDRSELx register, so to say, cuts out an
address window within which the parameters in register BUSCONx are used to control
external accesses. The range start address of such a window defines the upper address
bits which are not used within the address window of the specified size (see
For a given window size, only those upper address bits of the start address are used
(marked “R”) which are not implicitly used for addresses inside the window. The lower
bits of the start address (marked “x”) are disregarded.
Table 9-3
Bit field RGSZ Resulting Window Size
User’s Manual
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 x x
Address Window Definition
128 KByte
256 KByte
512 KByte
Reserved.
16 KByte
32 KByte
64 KByte
1 MByte
2 MByte
4 MByte
8 MByte
4 KByte
8 KByte
9-20
R R R R R R R R R R R R
R R R R R R R R R R R x
R R R R R R R R R R x
R R R R R R R R R x
R R R R R R R R x
R R R R R R R x
R R R R R R x
R R R R R x
R R R R x
R R R x
R R x
R x
Relevant Bits (R) of Start Addr. (A12 …)
x
x
x
x
x
x
x
x
x
x
External Bus Interface
x
x
x
x
x
C164CM/C164SM
x
x
x
x
x
x
x
x
x
x
x
x
x
Derivatives
x
x
x
x
x
x
x
x
V1.0, 2002-02
Table
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
9-3).
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