Fujitsu MHN2100AT Manual/User Guide - Page 187
Timing, 5.6.1 PIO data transfer
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5.6 Timing 5.6 Timing 5.6.1 PIO data transfer Figure 5.9 shows of the data transfer timing between the device and the host system. t0 Addresses DIOR-/DIOW- Write data DD0-DD15 t1 t2 t9 t2i t3 t4 Read data DD0-DD15 IORDY t5 t10 t6 t11 t12 Symbol Timing parameter t0 Cycle time t1 Data register selection setup time for DIOR-/DIOWt2 Pulse width of DIOR-/DIOWt2i Recovery time of DIOR-/DIOWt3 Data setup time for DIOWt4 Data hold time for DIOWt5 Time from DIOR- assertion to read data available t6 Data hold time for DIORt9 Data register selection hold time for DIOR-/DIOWt10 Time from DIOR-/DIOW- assertion to IORDY "low" level t11 Time from validity of read data to IORDY "high" level t12 Pulse width of IORDY Min. Max. Unit 120 - ns 25 - ns 70 - ns 25 - ns 20 - ns 10 - ns - 50 ns 5 - ns 10 - ns - 35 ns 0 - ns - 1,250 ns Figure 5.9 PIO data transfer timing C141-E120-02EN 5-111