82C52 データシートの表示（PDF） - Intersil

部品番号

コンポーネント説明

メーカー

82C52

CMOS Serial Controller Interface

Intersil 

Timing Waveform

CS0, A0, A1

WR

WRITE

OPERATION

D0-D7

RD

READ

OPERATION

D0-D7

AC Test Circuit

OUTPUT FROM

DEVICE UNDER

TEST

CL

82C52

(1)

TSVCTL

SELECT VALID

(3)

TCTLCTH

(2)

TCTHSX

NEXT BUS CYCLE

(1)

TSVCTL

(7)

TDVWH

(8)

TWHDX

VALID

(3)

TCTLCTH

(4)

TCTHCTL

(5)

TRLDV

(6)

TRHDZ

FIGURE 14. BUS OPERATION

V1

R1

TEST POINT

R2

TEST CONDITION

V1

R1

1 Propagation Delay 1.7V

520

2 Disable Delay

VCC

5K

R2

CL

∞ 100pF

5K

50pF

13

FN2950.3

April 26, 2006

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