參數(shù)資料
型號: SDA5251
廠商: SIEMENS A G
元件分類: 圖文
英文描述: ICs for Consumer Electronics
中文描述: TELETEXT AND VPS/PDC DECODER, PDIP52
文件頁數(shù): 66/143頁
文件大?。?/td> 1050K
代理商: SDA5251
SDA 525x
Semiconductor Group
66
1998-04-08
Figure 23
Interrupt System
SEVEN INTERRUPT SOURCES
EACH INTERRUPT CAN BE INDIVIDUALLY ENABLED/DISABLED
ENABLED INTERRUPTS CAN BE GLOBALLY ENABLED/DISABLED
EACH INTERRUPT CAN BE ASSIGNED TO EITHER OF FOUR PRIORITY LEVELS
EACH INTERRUPT VECTORS TO A SEPARATE LOCATION IN PROGRAM MEMORY
INTERRUPT NESTING TO FOUR LEVELS
EXTERNAL INTERRUPT REQUESTS CAN BE PROGRAMMED TO BE LEVEL- OR
TRANSITION-ACTIVATED
IE.0
Internal
Timer
0
External
Interrupt
RQST
TCON.7
TCON.3
TCON.5
0
TCON.1
Source
ENABLE
Global
ENABLE
Interrupt ENABLE
Register:
Input Level and
Interrupt
Request Flag
Registers:
Interrupt
Priority
Registers:
0
External
Interrupt
RQST1
IE.3
INT
IE
TF0
Timer 1
Internal
1
TF
1
IE
IE.1
IE.2
IE.4
IE.5
0
EX
ET0
EX1
1
ET
EA
IE.7
IP1.0
IP1.3
IP1.1
IP1.2
IP1.4
IP1.5
UES05465
INT 1
0
Internal
Serial
Port
SCON
RI/TI
1/0
ES
Internal
Ι
2
C
IIN
EIC
IP0.0
IP0.1
IP0.2
IP0.3
IP0.4
IP0.5
Highest
Priority Level
Lowest
Priority Level
P
IP0.6
EAD
Internal
Analog
IADC
Converter
Digital
IP1.6
EA
IE.6
ADCON.5
ICCON.4
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