參數(shù)資料
型號: Q67120-C1056SAB-C501G-1EP
英文描述: IC-8-BIT CPU
中文描述: 集成電路8位CPU
文件頁數(shù): 25/121頁
文件大?。?/td> 1000K
代理商: Q67120-C1056SAB-C501G-1EP
Memory Organization
C501
Semiconductor Group
3-4
Table 3-2
Special Function Registers - Functional Blocks
Block
Symbol
Name
Address
Contents after
Reset
CPU
ACC
B
DPH
DPL
PSW
SP
Accumulator
B-Register
Data Pointer, High Byte
Data Pointer, Low Byte
Program Status Word Register
Stack Pointer
E0H
F0H
83H
82H
D0H
81H
A8H
B8H
80H
90H
A0H
B0H
87H
99H
98H
88H
8CH
8DH
8AH
8BH
89H
C8H
C9H
CBH
CAH
CDH
CCH
87H
1)
1)
1)
00H
00H
00H
00H
00H
07H
0X000000B
XX000000B
FFH
FFH
FFH
FFH
0XXX0000B
XXH
00H
00H
00H
00H
00H
00H
00H
00H
XXXXXXX0B
00H
00H
00H
00H
0XXX0000B
Interrupt
System
IE
IP
Interrupt Enable Register
Interrupt Priority Register
1)
1)
3)
3)
Ports
P0
P1
P2
P3
Port 0
Port 1
Port 2
Port 3
1)
1)
1)
1)
Serial
Channel
PCON
2)
SBUF
SCON
Power Control Register
Serial Channel Buffer Register
Serial Channel Control Register
1)
3)
3)
Timer 0 /
Timer 1
TCON
TH0
TH1
TL0
TL1
TMOD
Timer 0/1 Control Register
Timer 0, High Byte
Timer 1, High Byte
Timer 0, Low Byte
Timer 1, Low Byte
Timer Mode Register
1)
Timer 2
T2CON
T2MOD
RC2H
RC2L
TH2
TL2
Timer 2 Control Register
Timer 2 Mode Register
Timer 2 Reload/Capture Register, High Byte
Timer 2 Reload/Capture Register, Low Byt
Timer 2 High Byte
Timer 2 Low Byte
1)
3)
Pow. Sav.
Modes
PCON
2)
Power Control Register
3)
1) Bit-addressable special function registers
2) This special function register is listed repeatedly since some bits of it also belong to other functional blocks.
3) “X“ means that the value is undefined and the location is reserved
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