¡ Semiconductor | MSM80C154S/83C154S |
Internal Data Memory and Special Function Register Layout Diagram
HEX
0FF
ADDRESSINGINDIRECTREGISTER | USER DATA RAM |
|
8 0 |
|
| |
7 F |
|
| |
|
| USER DATA RAM | |
3 0 |
|
| |
2 F | 7F | 78 | |
|
| BIT RAM | |
2 0 | 7 | 0 | |
1 F | R7 | BANK3 | |
1 8 | R0 | ||
| |||
1 7 | R7 | BANK2 | |
1 0 | R0 | ||
| |||
0 F | R7 | BANK1 | |
0 8 | R0 | ||
| |||
0 7 | R7 |
| |
0 0 | R0 | BANK0 | |
|
SPECIAL FUNCTION REGISTERS
IOCON | FFH~F8H | 248(0F8H) | |
B | F7H~F0H | 240(0F0H) | |
ACC | E7H~E0H | 224(0E0H) | |
PSW | D7H~D0H | 208(0D0H) | |
TH2 |
| 205(0CDH) | |
TL2 |
| 204(0CCH) | |
RCAP2H |
| 203(OCBH) | |
RCAP2L |
| 202(0CAH) | |
T2CON | CFH~C8H | 200(0C8H) | |
IP | BFH~B8H | 184(0B8H) | |
P3 | B7H~B0H | 176(0B0H) | |
IE | AFH~A8H | 168(0A8H) | |
P2 | A7H~A0H | 160(0A0H) | |
SBUF |
| 153( | 99H) |
SCON | 9FH~98H | 152( 98H) | |
P1 | 97H~90H | 144( | 90H) |
TH1 |
| 141( 8DH) | |
TH0 |
| 140( 8CH) | |
TL1 |
| 139( | 8BH) |
TL0 |
| 138( | 8AH) |
TMOD |
| 137( 89H) | |
TCON | 8FH~88H | 136( 88H) | |
PCON |
| 135( 87H) | |
DPH |
| 131( 83H) | |
DPL |
| 130( 82H) | |
SP |
| 129( 81H) | |
P0 | 87H~80H | 128( | 80H) |
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BIT ADDRESSING
DATA ADDRESSING
279
