參數(shù)資料
型號: SST89E54RC-33-C-PIE
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40
封裝: ROHS COMPLIANT, PLASTIC, MS-011AC, DIP-40
文件頁數(shù): 5/57頁
文件大?。?/td> 652K
代理商: SST89E54RC-33-C-PIE
Data Sheet
FlashFlex MCU
SST89E52RC / SST89E54RC
13
2007 Silicon Storage Technology, Inc.
S71259-04-000
1/07
TABLE
3-3: CPU related SFRs
Symbol Description
Direct
Address
Bit Address, Symbol, or Alternative Port Function
Reset
Value
MSB
LSB
ACC1
Accumulator
E0H
ACC[7:0]
00H
B1
B Register
F0H
B[7:0]
00H
PSW1
Program Status
Word
D0H
CY
AC
F0
RS1
RS0
OV
F1
P
00H
SP
Stack Pointer
81H
SP[7:0]
07H
DPL
Data Pointer
Low
82H
DPL[7:0]
00H
DPH
Data Pointer
High
83H
DPH[7:0]
00H
IE1
Interrupt Enable
A8H
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
00H
IEA1
Interrupt
Enable A
E8H
-
EWD
-
x0xxxxxxb
IP1
Interrupt Priority
Reg
B8H
-
PT2
PS
PT1
PX1
PT0
PX0
x0000000b
IPH
Interrupt Priority
Reg High
B7H
-
PPCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
x0000000b
IPA1
Interrupt Priority
Reg A
F8H
-
PWD
-
x0xxxxxxb
IPAH
Interrupt Priority
Reg A High
F7H
-
PWDH
-
x0xxxxxxb
PCON
Power Control
87H
SMOD1
SMOD0
-
POF
GF1
GF0
PD
IDL
00x10000b
AUXR
Auxiliary Reg
8EH
-
EXTRAM
AO
xxxxxxx00b
AUXR1
Auxiliary Reg 1
A2H
-
GF2
0
-
DPS
xxxx00x0b
PMC
Power
Management
Control Register
A1H
-
WDU
TCT
TCT2
PB2
PB1
UART
xx000000b
T3-3.1 1259
1. Bit Addressable SFRs
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