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SH7052 Datasheet(PDF) 756 Page - Renesas Technology Corp |
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SH7052 Datasheet(HTML) 756 Page - Renesas Technology Corp |
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756 / 919 page  730 Table 20.18 AC Characteristics in Auto-Program Mode (Conditions: V CC = 3.3 V ±0.3 V, V SS = 0 V, Ta = 25°C ±5°C) Item Symbol Min Max Unit Notes Command write cycle t nxtc 20 µs CE hold time t ceh 0ns CE setup time t ces 0ns Data hold time t dh 50 ns Data setup time t ds 50 ns Write pulse width t wep 70 ns Status polling start time t wsts 1ms Status polling access time t spa 150 ns Address setup time t as 0ns Address hold time t ah 60 ns Memory write time t write 1 3000 ms Write setup time t pns 100 ns Write end setup time t pnh 100 ns WE rise time t r 30 ns WE fall time t f 30 ns CE A18 to A0 FWE OE WE I/O7 I/O6 I/O5 to I/O0 tpns twep tds tdh tf tr tas tah twsts twrite tspa tces tceh tnxtc tnxtc tpnh Address stable H'40 H'00 Data transfer 1 to 128 bytes Write operation end decision signal Write normal end decision signal Figure 20.25 Auto-Program Mode Timing Waveforms |
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