參數(shù)資料
型號: DOC4106
廠商: Atmel Corp.
英文描述: Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface
中文描述: 單片微控制器,帶有MP3解碼器和人機界面
文件頁數(shù): 15/47頁
文件大?。?/td> 791K
代理商: DOC4106
15
AT8xC51SND1C
4106F–8051–10/02
Special Function
Registers
The Special Function Registers (SFRs) of the AT8xC51SND1 derivatives fall into the
categories detailed in Table 16 through Table 32. The relative addresses of these SFRs
are provided together with their reset values in Table 33. In this table, the bit-address-
able registers are identified by Note 1.
Table 16.
C51 Core SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
ACC
E0h
Accumulator
B
F0h
B Register
PSW
D0h
Program Status
Word
CY
AC
F0
RS1
RS0
OV
F1
P
SP
81h
Stack Pointer
DPL
82h
Data Pointer Low
byte
DPH
83h
Data Pointer High
byte
Table 17.
System Management SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
PCON
87h
Power Control
SMOD1
SMOD0
GF1
GF0
PD
IDL
AUXR
8Eh
Auxiliary Register 0
EXT16
M0
DPHDIS
XRS1
XRS0
EXTRAM
AO
AUXR1
A2h
Auxiliary Register 1
ENBOOT
GF3
0
DPS
NVERS
FBh
Version Number
NV7
NV6
NV5
NV4
NV3
NV2
NV1
NV0
Table 18.
PLL and System Clock SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
CKCON
8Fh
Clock Control
X2
PLLCON
E9h
PLL Control
R1
R0
PLLRES
PLLEN
PLOCK
PLLNDIV
EEh
PLL N Divider
N6
N5
N4
N3
N2
N1
N0
PLLRDIV
EFh
PLL R Divider
R9
R8
R7
R6
R5
R4
R3
R2
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