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參數(shù)資料
| 型號： | GMS90L320 |
| 英文描述： | 8-Bit Single-Chip Microcontrollers(低電壓,8位單片微控制器) |
| 中文描述： | 8位單芯片微控制器（低電壓，8位單片微控制器） |
| 文件頁數(shù)： | 14/46頁 |
| 文件大?。?/td> | 683K |
| 代理商： | GMS90L320 |
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GMS90C320
10
OCT. 2000 Ver 1.2
Special Function Registers
All registers, except the program counter and the four general purpose register banks, reside in the special function register
area.
The27specialfunctionregisters(SFR)includepointersandregistersthatprovideaninterfacebetweentheCPUandtheother
on-chip peripherals. There are also 128 directly addressable bits within the SFR area.
All SFRs are listed in
Table 1
,
Table 2
, and
Table 3
.
In
Table 1
they are organized in numeric order of their addresses. In
Table 2
they are organized in groups which refer to the
functional blocks of the GMS90C320.
Table 3
illustrates the contents of the SFRs.
Table 1
Special Function Registers in Numeric Order of their Addresses
Address
Register
Contents after
Reset
Address
Register
Contents after
Reset
80
H
81
H
82
H
83
H
84
H
85
H
86
H
87
H
P0
1)
SP
DPL
DPH
reserved
reserved
reserved
PCON
1)
: Bit-addressable Special Function Register
FF
H
07
H
00
H
00
H
XX
H
2)
XX
H
2)
XX
H
2)
0XXX0000
B
2)
2)
: X means that the value is indeterminate and the location is reserved
A0
H
A1
H
A2
H
A3
H
A4
H
A5
H
A6
H
A7
H
P2
1)
reserved
reserved
reserved
reserved
reserved
reserved
reserved
FF
H
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
88
H
89
H
8A
H
8B
H
8C
H
8D
H
8E
H
8F
H
TCON
1)
TMOD
TL0
TL1
TH0
TH1
reserved
reserved
00
H
00
H
00
H
00
H
00
H
00
H
XX
H
2)
XX
H
2)
A8
H
A9
H
AA
H
AB
H
AC
H
AD
H
AE
H
AF
H
IE
1)
reserved
reserved
reserved
reserved
reserved
reserved
reserved
0X000000
B
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
90
H
91
H
92
H
93
H
94
H
95
H
96
H
97
H
P1
1)
reserved
reserved
reserved
reserved
reserved
reserved
reserved
FF
H
00
H
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
B0
H
B1
H
B2
H
B3
H
B4
H
B5
H
B6
H
B7
H
P3
1)
reserved
reserved
reserved
reserved
reserved
reserved
reserved
FF
H
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
98
H
99
H
9A
H
9B
H
9C
H
9D
H
9E
H
9F
H
SCON
1)
SBUF
reserved
reserved
reserved
reserved
reserved
reserved
00
H
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
B8
H
B9
H
BA
H
BB
H
BC
H
BD
H
BE
H
BF
H
IP
1)
reserved
reserved
reserved
reserved
reserved
reserved
reserved
XX000000
B
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
XX
H
2)
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