CHAPTER 16 ELECTRICAL SPECIFICATIONS
651
User’s Manual U15195EJ5V0UD
(6) Interrupt timing
(T
A
= –40 to +85
°
C, REGIN = 3.0 to 3.6 V, V
DD
= RV
DD
= 5.0 V
±
0.5 V, V
SS3
= V
SS
= CV
SS
= 0 V, C
L
= 50 pF)
Parameter Symbol
Conditions
MIN.
MAX.
Unit
NMI high-level width
t
WNIH
<49>
500
ns
NMI low-level width
t
WNIL
<50>
500 ns
n = 0 to 4
500
ns
n = 100, 101, 30, 31
5T + 10
ns
n = 20 to 25 (when analog filter specified)
250
ns
INTPn high-level width
t
WITH
<51>
n = 20 to 25 (when digital filter specified)
5T + 10
ns
n = 0 to 4
500
ns
n = 100, 101, 30, 31
5T + 10
ns
n = 20 to 25 (when analog filter specified)
250
ns
INTPn low-level width
t
WITL
<52>
n = 20 to 25 (when digital filter specified)
5T + 10
ns
Remark
T: Digital filter sampling clock
T can be selected by setting the following registers.
•
INTP100,
INTP101:
Can be selected from f
XX
/2, f
XX
/4, f
XX
/8, and f
XX
/16 by setting the NRC101 and NRC100 bits of the
timer 10 noise elimination time select register (NRC10) (f
XX
: Internal system clock).
•
INTP30:
Can be selected from f
XXTM3
/2, f
XXTM3
/4, f
XXTM3
/8, and f
XXTM3
/16 by setting the NRC31 and NRC30 bits
of the timer 3 noise elimination time selection register (NRC3) (f
XXTM3
: Clock selected with the timer 3
clock selection register (PRM03)).
•
INTP31:
Can be selected from f
XXTM3
/32, f
XXTM3
/64, f
XXTM3
/128, and f
XXTM3
/256 by setting the NRC33 and
NRC32 bits of the NRC3 register (f
XXTM3
: Clock selected with the PRM03 register).
NMI (input)
INTPnv (input)
<49>
<50>
<51>
<52>
Remark
n = 0 to 4, 100, 101, 20 to 25, 30, 31
Содержание PD703114
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