Fluke 2620A, Руководство пользователя

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HYDRA
Service Manual
5A-22
S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 W W W W S5 S6 S7
CLK
A1 – A23
AS
UDS
LDS
R/W
DTACK
D8 – D15
D0 – D7
READ WRITE SLOW READ
READ AND WRITE CYCLE TIMING DIAGRAM
S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 S5 S6 S7
CLK
A1 – A23
AS
UDS
LDS
R/W
DTACK
D8 – D15
D0 – D7
WORD READ ODD BYTE READ EVEN BYTE READ
WORD AND BYTE READ CYCLE TIMING DIAGRAM
A0 *
S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 S5 S6 S7
CLK
A1 – A23
AS
UDS
LDS
R/W
DTACK
D8 – D15
D0 – D7
WORD WRITE ODD BYTE WRITE EVEN BYTE WRITE
WORD AND BYTE WRITE CYCLE TIMING DIAGRAM
A0
*
*
INTERNAL SIGNAL ONLY
* INTERNAL SIGNAL ONLY
s49f.eps
Figure 5A-7. Microprocessor Timing (2635A)