MB86941 Просмотр технического описания (PDF) - Fujitsu

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Компоненты Описание

производитель

MB86941

Peripheral LSI for SPARClite

Fujitsu 

MB86941/942

(4) Interrupt signal

• Interrupt input pulse width

Parameter

IRQ input “H” level pulse width*1

IRQ input “L” level pulse width*2

(MB86941: VDD = 5 V ± 5%, TA = 0 to +70°C)

(MB86942: VDD = 3.3 V ± 0.15 V, TA = 0 to +70°C)

Value

Symbol

Unit

Min.

Max.

tIHW

6 tCLK + 10

—

ns

tILW

6 tCLK + 10

—

ns

tCLK: See “(2) Clock Signals.”

*1: When the trigger mode is set for “H” level signal input or RISE-EDGE, a pulse of at least this width is received

as a REQ-FF signal. Note that this rule does not guarantee that no interrupts less than this width will be received.

*2: When the trigger mode is set for “L” level signal input or FALL-EDGE, a pulse of at least this width is received

as a REQ-FF signal. Note that this rule does not guarantee that no interrupts less than this width will be received.

IRQx

tIHW

tILW

24

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