MITSUBISHI MICROCOMPUTERS
M37274EFSP
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
0
0
0
0
Interrupt input polarity register (IP) [Address 021216]
B
Name
Functions
After reset
0
R
R
W
W
0 to 2,
5
Fix these bits to “0.”
0
0
0
R
R
R
W
W
W
3
4
6
INT1 polarity switch bit
(INT1POL)
0 : Positive polarity
1 : Negative polarity
INT2 polarity switch bit
(INT2POL)
0 : Positive polarity
1 : Negative polarity
INT3 polarity switch bit
(INT3POL)
0 : Positive polarity
1 : Negative polarity
0
R
W
7
A-D conversion • INT3
interrupt source selection
bit (RE7)
0 : Positive polarity
1 : Negative polarity
Fig. 15. Interrupt Input Polarity Register
21