FUJITSU MPB3052AT - Manual (Page 140)

C141-E045-02EN 5 - 75
t8
t6
t12
t11 t10
t7
t5
t4 t3
t9
t2i
t2
t1
t0
Addresses
IORDY
IOCS16-
Read data
DD0-DD15
Write data
DD0-DD15
DIOR-/DIOW-
Symbol Timing parameter Min. Max. Unit
t0 Cycle time 120 — ns
t1 Data register selection setup time for DIOR-/DIOW- 25 — ns
t2 Pulse width of DIOR-/DIOW- 70 — ns
t2i Recovery time of DIOR-/DIOW- 25 — ns
t3 Data setup time for DIOW- 20 — ns
t4 Data hold time for DIOW- 10 — ns
t5 Time from DIOR- assertion to read data available 20 — ns
t6 Data hold time for DIOR- 5 — ns
t7 Time from Data register selection to IOCS16- assertion — 40 ns
t8 Time from Data register selection reset to IOCS16- negation — 30 ns
t9 Data register selection hold time for DIOR-/DIOW- 10 — ns
t10 Time from DIOR-/DIOW- assertion to IORDY "low" level — 35 ns
t11 Time from validity of read data to IORDY "high" level 0 — ns
t12 Pulse width of IORDY — 1,250 ns
Figure 5.9 PIO data transfer timing