參數(shù)資料
型號： SST89V554RC-40-I-NI
廠商： Silicon Storage Technology, Inc.
英文描述： FlashFlex51 MCU
中文描述： FlashFlex51單片機
文件頁數(shù)： 20/62頁
文件大?。?/td> 680K
代理商： SST89V554RC-40-I-NI
20
Preliminary Specifications
FlashFlex51 MCU
SST89E564RD / SST89V564RD / SST89E554RC / SST89V554RC
2001 Silicon Storage Technology, Inc.
S71207-00-000
9/01
555
Symbol
EXTRAM
Function
0: Internal Expanded RAM access. For details, refer to “Data Memory” on page 12.
1: External data memory access.
0: Normal ALE
1: ALE is normally off. ALE is active only during a MOVX or MOVC instruction. This will reduce
EMI.
AO
Symbol
GF2
DPS
Function
General purpose user-defined flag.
DPTR registers select bit.
0: DPTR0 is selected.
1: DPTR1 is selected.
Symbol
WDOUT
Function
Watchdog output enable.
0: Watchdog reset will not be exported on Reset pin.
1: Watchdog reset if enabled by WDRE, will assert Reset pin for 32 clocks.
Watchdog timer reset enable.
0: Disable watchdog timer reset.
1: Enable watchdog timer reset.
Watchdog timer reset flag.
0: External hardware reset clears the flag.
Flag can also be cleared by writing a 1.
Flag survives if chip reset happened because of watchdog timer overflow.
1: Hardware sets the flag on watchdog overflow.
Watchdog timer refresh.
0: Hardware resets the bit when refresh is done.
1: Software sets the bit to force a watchdog timer refresh.
Start watchdog timer.
0: Stop WDT.
1: Start WDT.
WDRE
WDTS
WDT
SWDT
Auxiliary Register (AUXR)
Location
8EH
7
-
6
-
5
-
4
-
3
-
2
-
1
0
Reset Value
xxxxxx00b
EXTRAM
AO
Auxiliary Register 1 (AUXR1)
Location
A2H
7
-
6
-
5
-
4
-
3
2
0
1
-
0
Reset Value
xxxx00x0b
GF2
DPS
Watchdog Timer Control Register (WDTC)
Location
0C0H
7
-
6
-
5
-
4
3
2
1
0
Reset Value
xxx00x00b
WDOUT
WDRE
WDTS
WDT
SWDT
相關(guān)PDF資料
PDF描述
SST89E564RD-40-I-NI FlashFlex51 MCU
SST89V564RD-40-I-NI FlashFlex51 MCU
SST89E554RC-40-I-NJ FlashFlex51 MCU
SST89V554RC-40-I-NJ FlashFlex51 MCU
SST89E554RC-25-C-NI FlashFlex51 MCU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SST89V554RC-40-I-NJ 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V554RC-40-I-PI 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V554RC-40-I-PJ 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V554RC-40-I-TQI 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V554RC-40-I-TQJ 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
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