M37280MF Datasheet, PDF (25/178 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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MITSUBISHI MICROCOMPUTERS
M37280MF–XXXSP, M37280MK–XXXSP
M37280EKSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Interrupt Input Polarity Register
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt input polarity register (IP) [Address 021216]
B
Name
Functions
0 to 2 Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
3 INT1 polarity switch bit
(POL1)
0 : Positive polarity
1 : Negative polarity
4 INT2 polarity switch bit
(POL2)
0 : Positive polarity
1 : Negative polarity
5 Nothing is assigned. This bit is write disable bit.
When this bit is read out, the value is “0.”
6 INT3 polarity switch bit
(POL3)
0 : Positive polarity
1 : Negative polarity
7 A-D conversion • INT3
0 : INT3 interrupt
interrupt source selection 1 : A-D conversion interrupt
bit (AD/INT3SEL)
After reset R W
0
R—
0
RW
0
RW
0
R—
0
RW
0
RW
Fig. 12.3.6 Interrupt Input Polarity Register
Rev. 1.0
25