M80C86A/M80C86A-2 데이터 시트보기 (PDF) - Oki Electric Industry

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M80C86A/M80C86A-2

CMOS PROGRAMMABLE INTERVAL TIMER

Oki Electric Industry 

¡ Semiconductor

MSM82C53-2RS/GS/JS

Mode 0

CLK

WR

(n = 4)

(n = 2)

OUT (GATE="H") 4 3 2 1 0

2 10

WR (n = 4)

GATE

OUT

4 44 432 10

Mode 1

CLK

WR (n = 4)

GATE

OUT

GATE

OUT (n = 4)

4 32 10

4 32 43 2 10

Mode 2

CLK

WR

(n = 4)

(n = 2)

4 32 1 4 3 21 2 12

OUT (GATE="H")

GATE

OUT (n = 4)

4 32 14

4 3 21

Mode 3

CLK

WR

(n = 4)

(n = 3)

4 24 24 24 2 32 33

OUT (GATE="H")

GATE

54 2 52

OUT (n = 5)

5 4 2 52 5 4

Mode 4

CLK

WR

4 32 10

OUT (GATE="H")

GATE

4

OUT

432 10

Mode 5

CLK

GATE

4 32 10

OUT (n = 4)

GATE

4 32 14 32 10

OUT (n = 4)

Note: "n" is the value set in the counter.

Figures in these diagrams refer to counter values.

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