5.5. RCA Register ................................................................................................................................................. 20
5.6. DSR Register ................................................................................................................................................. 20
6. The e•MMC
™
bus ............................................................................................................................................. 21
6.1 Power-up ....................................................................................................................................................... 22
6.1.1 e•MMC
™
power-up ............................................................................................................................. 22
6.1.2 e•MMC
™
Power Cycling ..................................................................................................................... 23
6.2 Bus Operating Conditions ....................................................................................................................... 24
6.2.1 Power supply: e•MMC
™
.................................................................................................................... 24
6.2.2 e•MMC
™
Power Supply Voltage ..................................................................................................... 25
6.2.3 Bus Signal Line Load ......................................................................................................................... 26
6.2.4 HS400 reference load ....................................................................................................................... 27
6.3 Bus Signal Levels ........................................................................................................................................ 28
6.4.1 Open-drain Mode Bus Signal Level .............................................................................................. 28
6.4.2 Push-pull mode bus signal level— e•MMC
™
.............................................................................. 28
6.4.3 Bus Operating Conditions for HS200 & HS400 ........................................................................ 29
6.4.4 Device Output Driver Requirements for HS200 & HS400 ................................................... 29
6.5 Bus Timing .................................................................................................................................................... 29
6.5.1 Device Interface Timings ................................................................................................................ 30
6.6 Bus Timing for DAT Signals During Dual Data Rate Operation.................................................. 31
6.7 Bus Timing Specification in HS200 Mode .......................................................................................... 33
6.8 Bus Timing Specification in HS400 mode .......................................................................................... 37
6.8.1 HS400 Device Input Timing ........................................................................................................... 37
6.8.2 HS400 Device Output Timing ........................................................................................................ 38
7. LPDDR3 Interface .......................................................................................................................................... 40
7.1 Pin Function and Descriptions .............................................................................................................. 40
7.2 Simplified State Diagram ......................................................................................................................... 41
7.3 Electrical Conditions ................................................................................................................................. 42
7.3.1 Absolute Maximum Ratings ........................................................................................................... 42
7.3.2 Recommended DC Operating Conditions .................................................................................. 42
7.1.1 AC and DC Input Measurement Levels ....................................................................................... 43
7.1.2 VREF Tolerances ................................................................................................................................ 44
7.1.3 Input Signal .......................................................................................................................................... 45
7.1.4 Differential Input Cross Point Voltage ....................................................................................... 48
7.1.5 Slew Rate Definitions for Single-Ended Input Signals .......................................................... 49
7.1.6 Slew Rate Definitions for Differential Input Signals ............................................................. 49
7.1.7 AC and DC Output Measurement Levels .................................................................................... 50
7.1.8 Differential Output Slew Rate ....................................................................................................... 52
7.1.9 Overshoot and Undershoot Specifications ............................................................................... 53
7.1.10 RONPU and RONPD Resistor Definition .................................................................................. 54
7.2 Electrical Specifications ........................................................................................................................... 59
7.2.1 IDD Measurement Conditions ....................................................................................................... 59
7.2.2 IDD Specifications ............................................................................................................................. 62
7.2.3 IDD Specifications (cont’d) ............................................................................................................. 64
7.2.4 DC Characteristics 1 .......................................................................................................................... 65
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