Datasheet

Section 4 Interrupt Controller
Page 86 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
4.2.6 IRQ Noise Canceler Control Register (INCCR)
b7
⎯
0
b6
⎯
0
b5
1
b4
1
b3
1
b2
1
b1
1
b0
1
H'FF0525
INCCR[5:4] INCCR[3:2] INCCR[1:0]
Bit:
Address:
Value after reset:
Bit Bit Name Initial Value Description R/W
7
6
⎯ Reserved These bits are always read as 0. The write value
should always be 0.
⎯
5
4
INCCR[5:4] Noise canceling
ability setting 5
and 4 for NMI
pin
00: Noise canceling ability 1
01: Noise canceling ability 2 (approximately 1.5
times as capable as noise canceling ability 1)
10: Noise canceling ability 3 (approximately 2.7
times as capable as noise canceling ability 1)
11: Noise canceling ability 4 (approximately 5 times
as capable as noise canceling ability 1)
R/W
3
2
INCCR[3:2] Noise canceling
ability setting 3
and 2 for IRQ7
to IRQ4 pins
00: Noise canceling ability 1
01: Noise canceling ability 2 (approximately 1.5
times as capable as noise canceling ability 1)
10: Noise canceling ability 3 (approximately 2.7
times as capable as noise canceling ability 1)
11: Noise canceling ability 4 (approximately 5 times
as capable as noise canceling ability 1)
R/W
1
0
INCCR[1:0] Noise canceling
ability setting 1
and 0 for IRQ3
to IRQ0 pins
00: Noise canceling ability 1
01: Noise canceling ability 2 (approximately 1.5
times as capable as noise canceling ability 1)
10: Noise canceling ability 3 (approximately 2.7
times as capable as noise canceling ability 1)
11: Noise canceling ability 4 (approximately 5 times
as capable as noise canceling ability 1)
R/W
Note: Noise canceling ability varies according to the manufacturing condition, temperature, and
V
CC
. When NMI or IRQ pin is in use, input pulses over longer intervals than the specified
minimum interval for input.