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M58PR256J Datasheet(PDF) 19 Page - STMicroelectronics |
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M58PR256J Datasheet(HTML) 19 Page - STMicroelectronics |
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19 / 114 page  M58PR256J, M58PR512J Bus operations 19/114 Table 5. Bus operations(1) 1. X = Don't care. Operation E G W L RP DPD(2) 2. The DPD signal polarity depends on the value of the ECR14 bit. WAIT(3) 3. WAIT signal polarity is configured using the Set Configuration Register command. DQ15-DQ0 Bus Read VIL VIL VIH VIL (4) 4. L can be tied to VIH if the valid address has been previously latched. VIH de-asserted (5) 5. If ECR15 is set to '0', the device cannot enter the Deep Power-Down mode, even if DPD is asserted. Data Output Bus Write VIL VIH VIL VIL (4) VIH de-asserted (5) Data Input Address Latch VIL XVIH VIL VIH de-asserted (5) Data Output or Hi-Z(6) 6. Depends on G. Output Disable VIL VIH VIH XVIH de-asserted (5) Hi-Z Hi-Z Standby VIH XX X VIH de-asserted (5) Hi-Z Hi-Z Reset X X X X VIL de-asserted(5) Hi-Z Hi-Z Deep Power- Down VIH XX X VIH asserted(7) 7. ECR15 has to be set to ‘1’ for the device to enter Deep Power-Down. Hi-Z Hi-Z |
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