參數(shù)資料
型號: SAF-C513AO
廠商: INFINEON TECHNOLOGIES AG
元件分類: 8位微控制器
英文描述: 8-bit CMOS Microcontroller
中文描述: 8位CMOS微控制器
文件頁數(shù): 20/59頁
文件大?。?/td> 1634K
代理商: SAF-C513AO
C513AO
Data Sheet
18
02.00
Special Function Registers
The registers reside in the special function register area, with the exception of the Program Counter
and the four General Purpose Register banks. The special function register area consists of two
portions: the standard special function register area and the mappedspecial function register area.
Four special function registers of the C513AO (PCON1, VR0, VR1 & VR2) are located in the
mapped special function register area. For accessing the mapped special function register area, bit
RMAP in special function register SYSCON must be set. All other special function registers of the
C513AO are located in the standard special function register area.
Special Function Register SYSCON (Address B1
H
)
Reset Value: XX10XXX0
B
If bit RMAP is set, mapped special function registers can be accessed. This bit is not cleared by
hardware automatically.
The forty Special Function Registers (SFRs) in the standard and mapped SFR area include pointers
and registers that provide an interface between the CPU and the other on-chip peripherals. The
SFRs of the C513AO are listed in
Table 2
and
Table 3
. In
Table 2
, they are organized in groups
which refer to the functional blocks of the C513AO.
Table 3
illustrates the contents of the SFRs in
numeric order of their addresses.
Bit
Function
RMAP
Special function Register MAP bit
RMAP = 0: The access to the non-mapped (standard) special function
register area is enabled.
RMAP = 1: The access to the mapped special function register area is
enabled.
Reserved bits for future use. Read by CPU returns undefined values.
7
6
5
4
3
2
1
0
EALE
RMAP
B1
H
SYSCON
Bit No.
MSB
LSB
XMAP
The functions of the shaded bits are not described in this section.
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