參數(shù)資料
型號: W78CE354
廠商: WINBOND ELECTRONICS CORP
英文描述: MONITOR MICROCONTROLLER
中文描述: 顯示器單片機(jī)
文件頁數(shù): 24/44頁
文件大?。?/td> 426K
代理商: W78CE354
W78C354
- 24 -
converter is completed, the interrupt will be generated and the bit ADCINT in the INTVECT will
automatically be set. To clear the bit ADCINT to receive the next interrupt, the programmer can use
the "MOV INTVECT, #00000010B" instruction. See Figure 6.
I C in DDC port
OR
TIMEOUT source
DSCLINT source
ADCINT source
PARAINT source
VEVENT source
DDC1INT source
IE0
TF0
TF1
RI+TI
INTMSK
IE
0013H
001BH
0023H
002BH
000BH
0003H
IE.3
IE.4
IE.5
IE.2
IE.1
IE.0
IE.7
IP
IP.0
IP.1
IP.2
IP.3
IP.4
IP.5
Vector Address
High Priority
Low Priority
Interrupt Polling
SOAINT source
TIMEOUT
DSCLINT
ADCINT
PARAINT
VEVENT
DDC1INT
SOAINT
INTVECT
Bit 0
Bit 1
Bit 2
Bit 4
Bit 3
Bit 6
Bit 5
Figure 6. Interrupt block diagram
H-2. Newly Added External Interrupt 0 Function (INT0)
INT0 can be set to be falling-edge or low-level active by setting/clearing the IT0 bit in TCON. If
programmers wish to use a rising-edge or high-level signal as interrupt on the pin INT0, INT0 can also
be activated by setting/clearing the EINTES bit in SFR CONTREG2 (see Figure 7). In other words,
there are four trigger types for INT0 (falling-edge, low-level, rising-edge. and high-level). In the initial
state, INT0 will be triggered by a rising-edge or high-level signal.
0
1
EINTES
IE0
IT0
1
INT0
(P3.2)
0
Figure 7. External interrupt 0
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