SST89E52RC 데이터 시트보기 (PDF) - Silicon Storage Technology
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SST89E52RC Datasheet PDF : 57 Pages
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FlashFlex MCU
SST89E52RC / SST89E54RC
Data Sheet
TABLE 3-3: CPU related SFRs
Symbol Description
ACC1 Accumulator
B1
B Register
PSW1 Program Status
Word
SP
Stack Pointer
DPL
Data Pointer
Low
DPH
Data Pointer
High
IE1
Interrupt Enable
IEA1
Interrupt
Enable A
IP1
Interrupt Priority
Reg
IPH
Interrupt Priority
Reg High
IPA1
Interrupt Priority
Reg A
IPAH
Interrupt Priority
Reg A High
PCON Power Control
AUXR Auxiliary Reg
AUXR1 Auxiliary Reg 1
PMC
Power
Management
Control Register
1. Bit Addressable SFRs
Direct
Address
E0H
F0H
D0H
81H
82H
83H
A8H
E8H
B8H
B7H
F8H
F7H
87H
8EH
A2H
A1H
Bit Address, Symbol, or Alternative Port Function
MSB
ACC[7:0]
B[7:0]
CY
AC
F0 RS1 RS0 OV
F1
LSB
P
SP[7:0]
DPL[7:0]
DPH[7:0]
EA
EC ET2 ES ET1 EX1
ET0
EX0
-
EWD
-
-
-
-
-
-
-
-
PT2 PS PT1 PX1
PT0
PX0
-
PPCH PT2H PSH PT1H PX1H PT0H PX0H
-
PWD
-
-
-
-
-
-
-
PWDH -
-
-
-
-
-
SMOD1
-
-
-
SMOD0
-
-
-
-
-
-
WDU
POF GF1
-
-
- GF2
TCT TCT2
GF0
-
0
PB2
PD
IDL
EXTRAM AO
-
DPS
PB1 UART
Reset
Value
00H
00H
00H
07H
00H
00H
00H
x0xxxxxxb
x0000000b
x0000000b
x0xxxxxxb
x0xxxxxxb
00x10000b
xxxxxxx00b
xxxx00x0b
xx000000b
T3-3.1 1259
©2007 Silicon Storage Technology, Inc.
13
S71259-04-000
1/07
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