參數(shù)資料
型號(hào)： SAB-XC167CI-16F20F
廠商： INFINEON TECHNOLOGIES AG
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP144
封裝： 0.50 MM PITCH, PLASTIC, TQFP-144
文件頁(yè)數(shù)： 16/80頁(yè)
文件大?。?/td> 2477K
代理商： SAB-XC167CI-16F20F
XC167
Derivatives
Functional Description
Data Sheet
19
V1.1, 2003-06
Preliminary
so-called General Purpose Registers (GPRs).
The upper 256 bytes of the DPRAM are directly bitaddressable. When used by a GPR,
any location in the DPRAM is bitaddressable.
1024 bytes (2
× 512 bytes) of the address space are reserved for the Special Function
Register areas (SFR space and ESFR space). SFRs are wordwide registers which are
used for controlling and monitoring functions of the different on-chip units. Unused SFR
addresses are reserved for future members of the XC166 Family. Therefore, they should
either not be accessed, or written with zeros, to ensure upward compatibility.
In order to meet the needs of designs where more memory is required than is provided
on chip, up to 12 Mbytes (approximately, see Table 3) of external RAM and/or ROM can
be connected to the microcontroller. The External Bus Interface also provides access to
external peripherals.
Table 3
XC167 Memory Map1)
1)
Accesses to the shaded areas generate external bus accesses.
Address Area
Start Loc.
End Loc.
Area Size2)
2)
The areas marked with “<“ are slightly smaller than indicated, see column “Notes”.
Notes
Flash register space
FF’F000H
FF’FFFFH
4 Kbytes
3)
Not defined register locations return a trap code.
Reserved (Acc. trap)
F8’0000H
FF’EFFFH
<0.5 Mbytes
Minus Flash regs
Reserved for PSRAM
E0’0800H
F7’FFFFH
<1.5 Mbytes
Minus PSRAM
Program SRAM
E0’0000H
E0’07FFH
2 Kbytes
Maximum
Reserved for pr. mem.
C2’0000H
DF’FFFFH < 2 Mbytes
Minus Flash
Program Flash
C0’0000H
C1’FFFFH
128 Kbytes
Reserved
BF’0000H
BF’FFFFH
64 Kbytes
External memory area
40’0000H
BE’FFFFH <8 Mbytes
Minus res. seg.
External IO area4)
4)
Several pipeline optimizations are not active within the external IO area. This is necessary to control external
peripherals properly.
20’0800H
3F’FFFFH
<2 Mbytes
Minus TwinCAN
TwinCAN registers
20’0000H
20’07FFH
2 Kbytes
External memory area
01’0000H
1F’FFFFH
<2 Mbytes
Minus segment 0
Data RAMs and SFRs
00’8000H
00’FFFFH
32 Kbytes
Partly used
External memory area
00’0000H
00’7FFFH
32 Kbytes
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