參數(shù)資料
型號: SAA5531PS
廠商: NXP Semiconductors N.V.
英文描述: Enhanced TV microcontrollers with On-Screen Display OSD
中文描述: 與微控制器在強化電視屏幕顯示OSD
文件頁數(shù): 14/100頁
文件大?。?/td> 371K
代理商: SAA5531PS
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8.5
SFR memory
The Special Function Register (SFR) space is used for port latches, timer, peripheral control, acquisition control, display control, etc. These registers
can only be accessed by direct addressing. Sixteen of the addresses in the SFR space are both bit and byte addressable. The bit addressable SFRs
are those whose address ends in 0H or 8H. A summary of the SFR map in address order is shown in Table 4.
A description of each of the SFR bits is shown in Table 5 which presents the SFRs in alphabetical order.
Table 4
SFR memory map
ADD R/W
NAME
7
6
5
4
3
2
1
0
RESET
80H
81H
82H
83H
87H
88H
89H
8AH
8BH
8CH
8DH
90H
96H
97H
98H
9EH
9FH
A0H
A6H
A7H
A8H
B0H
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
P0
SP
DPL
DPH
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
P1
P0CFGA
P0CFGB
SADB
P1CFGA
P1CFGB
P2
P2CFGA
P2CFGB
IE
P3
P07
SP7
DPL7
DPH7
0
TF1
GATE
TL07
TL17
TH07
TH17
P17
P0CFGA7
P0CFGB7
0
P1CFGA7
P1CFGB7
P27
P2CFGA7
P2CFGB7
EA
P37
P06
SP6
DPL6
DPH6
ARD
TR1
C/T
TL06
TL16
TH06
TH16
P16
P0CFGA6
P0CFGB6
0
P1CFGA6
P1CFGB6
P26
P2CFGA6
P2CFGB6
EBUSY
P36
P05
SP5
DPL5
DPH5
RFI
TF0
M1
TL05
TL15
TH05
TH15
P15
P0CFGA5
P0CFGB5
0
P1CFGA5
P1CFGB5
P25
P2CFGA5
P2CFGB5
ES2
P35
P04
SP4
DPL4
DPH4
WLE
TR0
M0
TL04
TL14
TH04
TH14
P14
P0CFGA4
P0CFGB4
DC_COMP
P1CFGA4
P1CFGB4
P24
P2CFGA4
P2CFGB4
ECC
P34
P03
SP3
DPL3
DPH3
GF1
IE1
GATE
TL03
TL13
TH03
TH13
P13
P0CFGA3
P0CFGB3
SAD3
P1CFGA3
P1CFGB3
P23
P2CFGA3
P2CFGB3
ET1
P33
P02
SP2
DPL2
DPH2
GF0
IT1
C/T
TL02
TL12
TH02
TH12
P12
P0CFGA2
P0CFGB2
SAD2
P1CFGA2
P1CFGB2
P22
P2CFGA2
P2CFGB2
EX1
P32
P01
SP1
DPL1
DPH1
PD
IE0
M1
TL01
TL11
TH01
TH11
P11
P0CFGA1
P0CFGB1
SAD1
P1CFGA1
P1CFGB1
P21
P2CFGA1
P2CFGB1
ET0
P31
P00
SP0
DPL0
DPH0
IDL
IT0
M0
TL00
TL10
TH00
TH10
P10
P0CFGA0
P0CFGB0
SAD0
P1CFGA0
P1CFGB0
P20
P2CFGA0
P2CFGB0
EX0
P30
FFH
07H
00H
00H
00H
00H
00H
00H
00H
00H
00H
FFH
FFH
00H
00H
FFH
00H
FFH
FFH
00H
00H
FFH
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