82C52 データシートの表示（PDF） - Renesas Electronics
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82C52 Datasheet PDF : 21 Pages
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82C52
Timing Waveform
CS0, A0, A1
WR
WRITE
OPERATION
D0-D7
RD
READ
OPERATION
D0-D7
AC Test Circuit
OUTPUT FROM
DEVICE UNDER
TEST
CL
(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
FN2950 Rev 4.00
November 25, 2015
Page 13 of 21
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