參數(shù)資料
型號(hào): Q67121C452
英文描述: IC-SM-8-BIT CPU-12MHZ
中文描述: 集成電路釤8位CPU - 12MHz的
文件頁數(shù): 26/121頁
文件大?。?/td> 1000K
代理商: Q67121C452
Semiconductor Group
3-5
Memory Organization
C501
Table 3-3
Contents of the SFRs, SFRs in numeric order of their addresses
Addr Register Content
after
Reset
1)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
80H
81H
82H
83H
87H
2)
P0
FFH
07H
00H
00H
0XXX-
0000B
00H
00H
00H
00H
00H
00H
FFH
00H
XXH
FFH
0X00-
0000B
FFH
XX00-
0000B
00H
.7
.6
.5
.4
.3
.2
.1
.0
SP
.7
.6
.5
.4
.3
.2
.1
.0
DPL
.7
.6
.5
.4
.3
.2
.1
.0
DPH
.7
.6
.5
.4
.3
.2
.1
.0
PCON
SMOD
GF1
GF0
PDE
IDLE
88H
89H
8AH
8BH
8CH
8DH
90H
98H
99H
A0H
A8H
2)
TCON
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
TMOD
GATE
C/T
M1
M0
GATE
C/T
M1
M0
TL0
.7
.6
.5
.4
.3
.2
.1
.0
TL1
.7
.6
.5
.4
.3
.2
.1
.0
TH0
.7
.6
.5
.4
.3
.2
.1
.0
TH1
.7
.6
.5
.4
.3
.2
.1
.0
2)
P1
.7
.6
.5
.4
.3
.2
.1
.0
2)
SCON
SM0
SM1
SM2
REN
TB8
RB8
TI
RI
SBUF
.7
.6
.5
.4
.3
.2
.1
.0
2)
P2
.7
.6
.5
.4
.3
.2
.1
.0
2)
IE
EA
ET2
ES
ET1
EX1
ET0
EX0
B0H
B8H
2)
P3
RD
WR
T1
T0
INT1
INT0
TxD
RxD
2)
IP
PT2
PS
PT1
PX1
PT0
PX0
C8H
2)
T2CON
TF2
EXF2
RCLK
TCLK
EXEN2 TR2
C/T2
CP/
RL2
C9H
T2MOD
XXXX-
XXX0B
00H
00H
00H
00H
DCEN
CAH
CBH
CCHTL2
CDHTH2
1) X means that the value is undefined and the location is reserved
2) Bit-addressable special function registers
RC2L
.7
.6
.5
.4
.3
.2
.1
.0
RC2H
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
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