M37221M4H_15 Datasheet, PDF (25/114 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Interrupt Input Polarity Register
b7 b6 b5 b4 b3 b2 b1 b0
0
00
Interrupt input polarity register(RE) [Address 00F916]
B
Name
Functions
0 Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
1,2 Fix These bits to “0.”
After reset R W
0
R—
0
RW
3 INT1 polarity switch bit 0 : Positive polarity
(RE3)
1 : Negative polarity
4 INT2 polarity switch bit 0 : Positive polarity
(RE4)
1 : Negative polarity
5 INT3 polarity switch bit 0 : Positive polarity
(RE5)
1 : Negative polarity
6 Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
7 Fix this bit to “0.”
0
RW
0
RW
0
RW
0
R—
0
RW
Fig. 8.3.6 Interrupt Input Polarity Register
Rev.1.00 Oct 01, 2002 page 23 of 110
REJ03B0134-0100Z