
22
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37272M6/M8–XXXSP/FP, M37272MA–XXXSP
M37272E8SP/FP, M37272EFSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.3
Fig. 8.3.6 Interrupt Input Polarity Register
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt input polarity register (RE) [Address 00DC
16
]
B Name Functions After reset R W
Interrupt Input Polarity Register
INT1 polarity switch bit
(INT1)
0
0
0
0 : Positive polarity
1 : Negative polarity
0
4
0 : Positive polarity
1 : Negative polarity
5
4
to
7
INT2 polarity switch bit
(INT2)
INT3 polarity switch bit
(INT3)
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
0
RW
RW
RW
R—
0 : Positive polarity
1 : Negative polarity
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