80C286_08 Datasheet, PDF (34/60 Pages) Intersil Corporation – High Performance Microprocessor with Memory Management and Protection

80C286
CLK
T_I
φ2
WRITE CYCLE
T_S
φ1
φ2
T_C
φ1
φ2
READ CYCLE
T_S
φ1
φ2
T_C
φ1
φ2
T_I
φ1
φ2
A₂₃ - A₀
VALID
VALID
S0 • S1
D₁₅ - D₀
MRDC
MWTC
VALID WRITE DATA
VALID
READ DATA
DEN
DT/R
FIGURE 26. BACK TO BACK WRITE-READ CYCLE
CLK
T_I
φ2
WRITE CYCLE N-1
T_S
φ1
φ2
T_C
φ1
φ2
WRITE CYCLE N
T_S
φ1
φ2
T_C
φ1
φ2
T_I
φ1
φ2
A₂₃ - A₀
S0 • S1
VALID ADDR N-1
VALID ADDR N
D₁₅ - D₀
MWTC
VALID DATA N-1
VALID DATA N
DEN
DT/R
(HIGH)
FIGURE 27. BACK TO BACK WRITE-WRITE CYCLE
Processor Extension Transfers
34