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M306V5ME-XXXSP Datasheet(PDF) 52 Page - Mitsubishi Electric Semiconductor

Part No. M306V5ME-XXXSP
Description  SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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Maker  MITSUBISHI [Mitsubishi Electric Semiconductor]
Homepage  http://www.mitsubishichips.com
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M306V5ME-XXXSP Datasheet(HTML) 52 Page - Mitsubishi Electric Semiconductor

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M306V5ME-XXXSP
M306V5EESP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
52
Rev. 1.0
______
2.7.17 INT Interrupt
________
________
INT0 and INT1 are triggered by the edges of external inputs. The edge polarity is selected using the
polarity select bit.
As for external interrupt input, an interrupt can be generated both at the rising edge and at the falling edge
by setting “1” in the INTi interrupt polarity switching bit of the interrupt request cause select register
(035F16). To select both edges, set the polarity switching bit of the corresponding interrupt control regis-
ter to ‘falling edge’ (“0”).
Figure 2.7.10 shows the Interrupt control reserved register, Figure 2.7.11 shows the Interrupt request
cause select register.
Figure 2.7.10 Interrupt control reserved register i (i = 0 to 3)
Interrupt control reserved register i
Bit nameFunction
Bit symbol
W
R
SymbolAddressWhen reset
REiIC (i = 0 to 3)
004516, 004616, 004716, 005F16
Indeterminate
b7b6b5b4b3b2b1b0
Must always be set to “0”
Reserved bits
0
0
0
0
0
000
Figure 2.7.11 Interrupt request cause select register
Interrupt request cause select register
Bit nameFunction
Bit symbol
W
R
SymbolAddressWhen reset
IFSR
035F16
0016
IFSR0
b7b6b5b4b3b2b1b0
INT0 interrupt polarity
switching bit
0 : One edge
1 : Two edges
0 : One edge
1 : Two edges
Must always be set to “0”
INT1 interrupt polarity
switching bit
Reserved bits
IFSR1
0
00
0
0
0


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