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M69KB096AB Datasheet(PDF) 17 Page - STMicroelectronics |
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M69KB096AB Datasheet(HTML) 17 Page - STMicroelectronics |
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17 / 73 page ![]() M69KB096AB 5 Standard Asynchronous operating modes 17/73 Table 3. Standard Asynchronous Operating Modes Asynchronous Modes(1)(2) 1. The Clock signal, K, must remain Low in asynchronous operating mode, and to achieve standby power in Standby and Deep Power-Down modes. 2. The device must have been configured to operate in asynchronous mode by setting BCR15 to ‘1’ (default value). Power E W G UB LB CR A19 A18 A0-A17 A20-A21 DQ0-DQ7 DQ8-DQ15 Word Read Active (ICC) VIL VIH VIL VIL VIL VIL Valid Output Valid Output Valid Lower Byte Read VIL VIH VIL VIL Valid Output Valid High-Z Upper Byte Read VIL VIL VIH VIL Valid High-Z Output Valid Word Write VIL X VIL VIL VIL Valid Input Valid Input Valid Lower Byte Write X VIH VIL VIL Valid Input Valid Invalid Upper Byte Write X VIL VIH VIL Valid Invalid Input Valid Read Configuration Register (CR Controlled Method) VIH VIL XX VIH 00(RCR) 10(BCR) X1(DIDR) X BCR/ RCR/DIDR Content Program Configuration Register (CR Controlled)(3) 3. BCR and RCR only. VIL XX X 00(RCR) 10(BCR) (4) 4. A18 and A19 are used to select the BCR, RCR or DIDR registers. BCR/ RCR Data X Output Disable/ No Operation Active (ICC) VIH VIH XX VIL XX X High-Z Deep Power-Down(5) 5. Bit 4 of the Refresh Configuration Register must be set to ‘0’ and E must be maintained High, VIH, during Deep Power- Down mode. Deep Power- Down (ICCPD) VIH XX X X X X X X High-Z Standby Standby (IPASR) VIH XX X X X X X X High-Z |
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