參數(shù)資料
型號: Q67126-C2042
廠商: SIEMENS 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): 23/65頁
文件大?。?/td> 427K
代理商: Q67126-C2042
Semiconductor Group
23
1997-10-01
C540U
C541U
ACH
4)
SCIEN
XXXX-
XX00B
FFH
WCEN TCEN
B0H
B1H
2)
P3
RD
WR
T1
T0
INT1
INT0
DADD
LED2
SYSCON XX10-
XXXXB
XXXX-
0000B
XXXX-
0000B
XXXX-
0000B
USB Device and Endpoint Register definition see
table 3-4
EALE
RMAP
B8H
2)
IP0
PT1
PX1
PT0
PX0
B9H
IP1
PUDI
PUEI
PSSC
4)
C0H
2)
WDCON
OWDS WDTS
WDT
SWDT
C1H to C7H
D0H
2)
PSW
00H
CY
AC
F0
RS1
RS0
OV
F1
P
D2H
D3H
D4H
D6H
E0H
F0H
FCH
3) 5)
EPSEL
80H
EPS7
0
0
0
0
EPS2
EPS1
EPS0
USBVAL 00H
ADROFF 00H
GEPIR
.7
.6
.5
.4
.3
.2
.1
.0
7)
0
0
AO5
AO4
AO3
AO2
AO1
AO0
00H
00H
00H
C5H
0
0
0
EPI4
EPI3
EPI2
EPI1
EPI0
2)
ACC
.7
.6
.5
.4
.3
.2
.1
.0
2)
B
.7
.6
.5
.4
.3
.2
.1
.0
VR0
1
1
0
0
0
1
0
1
FDH
3) 5)
VR1
C1H
1
1
0
0
0
0
0
1
FEH
3) 5)
VR2
6)
.7
.6
.5
.4
.3
.2
.1
.0
1) X means that the value is undefined and the location is reserved
2) Bit-addressable special function registers
3) SFR is located in the mapped SFR area. For accessing this SFR, bit RMAP in SFR SYSCON must be set.
4) This SFR respectively bit is only available in the C541U.
5) These are read-only registers
6) The content of this SFR varies with the actual of the step C517A (e.g. 01
H
for the first step)
7) The reset value of ADROFF is valid only if USBVAL has not been read or written since the last hardware reset.
Table 4
Contents of the SFRs, SFRs in numeric order of their addresses
(cont’d)
Addr Register Reset
Value
1)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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