參數(shù)資料
型號(hào): UPD70741
廠商: NEC Corp.
元件分類: 16位微控制器
英文描述: V821TM 32-/16-BIT MICROPROCESSOR
中文描述: V821TM 32-/16-BIT微處理器
文件頁數(shù): 104/112頁
文件大小: 605K
代理商: UPD70741
μ
PD70741
104
(12) INTPn input setup time, hold time
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
INTPn input low setup time
144
t
SILK
9
ns
INTPn input high setup time
145
t
SIHK
9
ns
INTPn input low pulse width
146
t
CYIL
2
t
CYK
INTPn input high-level width
147
t
CYIH
2
t
CYK
(13) NMI input
The NMI pin incorporates a noise eliminator which is based on an analog delay (60 to 300 ns). The input setup
time and input hold time are not, therefore, specified for NMI.
The NMI pin accepts a level input, such that the input level must be held until the acceptance of the input is
confirmed after a branch to the handler.
CLKOUT (output)
INTPn (input)
(edge mode)
INTPn (input)
(level mode)
145
147
146
144
144
NMI (input)
Internal NMI
signal
CPU processing
Analog delay
Analog delay
Analog delay
Normal processing
Nonmaskable interrupt handling
After confirming acceptance,
de-activate NMI from the interrupt
handler.
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