参数资料
型号: SST89E554A-40-C-NJ
厂商: SILICON STORAGE TECHNOLOGY INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, MS-018AC, LCC-44
文件页数: 16/87页
文件大小: 996K
代理商: SST89E554A-40-C-NJ
Preliminary Specifications
FlashFlex51 MCU
SST89E554A / SST89V554A
23
2003 Silicon Storage Technology, Inc.
S71228-00-000
6/03
Symbol
Function
PPC
PCA interrupt priority bit
PT2
Timer 2 interrupt priority bit
PS
Serial Port interrupt priority bit
PT1
Timer 1 interrupt priority bit
PX1
External interrupt 1 priority bit
PT0
Timer 0 interrupt priority bit
PX0
External interrupt 0 priority bit
Symbol
Function
PPCH
PCA interrupt priority bit high
PT2H
Timer 2 interrupt priority bit high
PSH
Serial Port interrupt priority bit high
PT1H
Timer 1 interrupt priority bit high
PX1H
External interrupt 1 priority bit high
PT0H
Timer 0 interrupt priority bit high
PX0H
External interrupt 0 priority bit high
Symbol
Function
PBO
Brown-out interrupt priority bit
PX2
External Interrupt 2 priority bit
PX3
External Interrupt 3 priority bit
Symbol
Function
PBOH
Brown-out Interrupt priority bit high
PX2H
External Interrupt 2 priority bit high
PX3H
External Interrupt 3 priority bit high
Interrupt Priority (IP)
Location
76543210
Reset Value
B8H
-
PPC
PT2
PS
PT1
PX1
PT0
PX0
x0000000b
Interrupt Priority High (IPH)
Location
76543210
Reset Value
B7H
-
PPCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
x0000000b
Interrupt Priority 1 (IP1)
Location
76543210
Reset Value
F8H
1
-
1
PBO
PX3
PX2
1
1xx10001b
Interrupt Priority 1 High (IP1H)
Location
76543210
Reset Value
F7H
1
-
1
PBOH
PX3H
PX2H
1
1xx10001b
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